Electrical Center Identification Views. Chevrolet Chevy Suburban

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2006 🢒 Chevy Suburban - 4WD 🢒 Body 🢒 Wiring Systems 🢒 Electrical Center Identification Views

Connector 1:	Fuse Block - Underhood Label
Connector 2:	Fuse Block - Underhood Top View
Connector 3:	Fuse Block - Underhood Bottom View
Connector 4:	Fuse Block - Underhood - C1
Connector 5:	Fuse Block - Underhood - C2
Connector 6:	Fuse Block - Underhood - C3
Connector 7:	Fuse Block - Underhood - C4
Connector 8:	Fuse Block - Underhood - C5
Connector 9:	Fuse Block - Underhood - C6
Connector 10:	Fuse Block - Underhood - C7
Connector 11:	Fuse Block - Underhood - C9
Connector 12:	Fuse Block - Underhood - Cooling Fan (10 Series)
Connector 13:	Fuse Block - Underhood - Cooling Fan Top View (10 Series)
Connector 14:	Fuse Block - Underhood - Cooling Fan Bottom View (10 Series)
Connector 15:	Fuse Block - Underhood - Cooling Fan (10 Series) Wire Entry
Connector 16:	Fuse Block - Underhood - Cooling Fan (10 Series) Connector
Connector 17:	Fuse Block - I/P Label
Connector 18:	Fuse Block - I/P Top View
Connector 19:	Fuse Block - I/P Bottom View
Connector 20:	Fuse Block - I/P - C1
Connector 21:	Fuse Block - I/P - C2
Connector 22:	Fuse Block - I/P - C3
Connector 23:	Fuse Block - I/P - C4
Connector 24:	Relay Block - I/P Body Label
Connector 25:	Relay Block - I/P Body Top View
Connector 26:	Relay Block - I/P Body Bottom View
Connector 27:	Relay Block - I/P - C1
Connector 28:	Relay Block - I/P - C3
Connector 29:	Relay Block - I/P - C4
Connector 30:	Relay Block - I/P - C7 (Z82 w/Electric Trailer Brake Jumper Installed)
Connector 31:	Relay Block - I/P - C8 (VYU)
Connector 32:	Relay Block - I/P - C9 (Except Y91)
Connector 33:	Relay Block - I/P - C10
Connector 34:	Junction Block - I/P Top View
Connector 35:	Junction Block - I/P Bottom View
Connector 36:	Junction Block - I/P - Wire Entry
Connector 37:	Junction Block - I/P - C2
Connector 38:	Junction Block - I/P - C4
Connector 39:	Junction Block - I/P - C5
Connector 40:	Junction Block - I/P - C6 (CF5 and U01)
Connector 41:	Junction Block - I/P - C7
Connector 42:	Junction Block - I/P - C8
Connector 43:	Junction Block - Rear
Connector 44:	Junction Block - Rear Lamps - C1
Connector 45:	Junction Block - Rear Lamps - C2
Connector 46:	Junction Block - Rear Lamps - C3
Connector 47:	Junction Block - Rear Lamps - C4

Fuse Block - Underhood Label

Fuse Block - Underhood Label Usage

Device	Rating	Description
STUD # 1 Fuse	40A	Trailer Wiring, Automatic Level Control (ALC) Compressor Relay
MBEC 1 Fuse	50A	SEAT CB, RT DOOR CB
BLWR Fuse	40A	Blower Motor
LBEC 2 Fuse	50A	LOCKS Fuse, DDM Fuse, PDM Fuse, ECC Fuse, AUX PWR 2 Fuse
STUD # 2 Fuse	30A	Trailer Wiring
ABS Fuse	60A	Electronic Brake Control Module (EBCM)
VSES/ECAS Fuse	60A	Electronic Brake Control Module (EBCM)
IGN A Fuse	40A	Ignition Switch RUN, START, RUN/START/ACCY
IGN B Fuse	40A	Ignition Switch RUN/ACC, RUN/START
LBEC 1 Fuse	50A	FLASH Fuse, TBC 2A Fuse, TBC 2B Fuse, TBC 2C Fuse, LT DOORS Fuse
TRL PARK Fuse	15A	Trailer Wiring
RR PARK Fuse	10A	Exterior Lamps - Right Rear, Clearance Lamps - Right
LR PARK Fuse	10A	Exterior Lamps - Left Rear, Clearance Lamps - Left
PARK LP Relay	--	TRLR PARK Fuse, LR PARK Fuse, RR PARK Fuse, FRT PARK, INT PARK Fuse, DRL Relay (Export)
STARTER Relay	--	Starter
INTPARK Fuse	10A	ID Lamp
STOP LP Fuse	25A	Stop Lamp Switch
TBC BATT Fuse	10A	Body Control Module (BCM), PASS-Key Module
S/ROOF Fuse	25A	Sunroof Relay
SEO B2 Fuse	30A	Roof Beacon Relay
4WS Fuse	15A	Rear Wheel Steering Control Module, Evaporative Emission (EVAP) Canister Vent Solenoid
RR HVAC Fuse	30A	HVAC Control Assembly - Rear Auxiliary
AUX PWR Fuse	20A	Accessory Power Outlets, Auxiliary Power Outlets
IGN 1 Relay	--	SBA Fuse, ETC/ECM Fuse, PCM 1 Fuse, INJ 1 Fuse, INJ 2 Fuse
PCM 1 Fuse	15A	Powertrain Control Module (PCM), Mass Air Flow (MAF) Sensor, Evaporative Emission (EVAP) Canister Purge Solenoid, Fuel Composition Sensor, Secondary Fuel Pump Relay
ETC/ECM Fuse	15A	Throttle Actuator Control (TAC)
INJ 1 Fuse	15A	Fuel Injectors - Odd-Numbered, Ignition Coils - Odd-Numbered
INJ 2 Fuse	15A	Fuel Injectors - Even-Numbered, Ignition Coils - Even-Numbered
IGN E Fuse	10A	A/C COMP Relay, Park/Neutral Position (PNP) Switch, Turn Signal/Multifunction Switch, Headlamp Leveling Components
RTD Fuse	30A	Automatic Level Control (ALC) Compressor, Electronic Suspension Control (ESC) Module
TRL B/U Fuse	10A	Body Control Module (BCM), Trailer Wiring, Back-up Alarm
PCM B Fuse	20A	Powertrain Control Module (PCM)
PRIME F/PMP Relay	--	Fuel Pump
O2A Fuse	15A	Heated Oxygen Sensors - Before the Catalytic Converter
B/U LP Fuse	20A	Park/Neutral Position (PNP) Switch
RR DEFOG Fuse	30A	DEFOG Relay
HDLP - HI Relay	--	HI HDLP - LT Fuse, HI HDLP - RT Fuse
O2B Fuse	15A	Heated Oxygen Sensors - After the Catalytic Converter
AIRBAG Fuse	15A	Inflatable Restraint Sensing and Diagnostic Module (SDM), Memory Seat Module - Passenger, Inside Rearview Mirror
FRT PARK Fuse	10A	Park/Turn Signal Lamps - Front, Marker Lamps - Front
DRL Relay	--	DRL Fuse
SEO IGN Fuse	10A	DEFOG Relay, Instrument Panel Cluster (IPC), Rear Object Sensor Control Module
TBC IGN 1 Fuse	10A	Body Control Module (BCM)
HI HDLP - LT Fuse	10A	Headlamp - High Beam - Left
LH HID Fuse	20A	Headlamp Ballast - Left
DRL Fuse	10A	DRL Relay (Domestic), Daytime Running Lamps (Export)
RVC Fuse	10A	Generator Battery Control Module
IPC/DIC Fuse	10A	Instrument Panel Cluster (IPC)
HVAC/ECAS Fuse	10A	HVAC Control Module
CIG LTR Fuse	15A	Cigar Lighter, Data Link Connector (DLC)
HI HDLP - RT Fuse	10A	Headlamp - High Beam - Right
HDLP - LOW Relay	--	LO HDLP - LT Fuse
A/C COMP Relay	--	A/C Compressor Clutch Assembly
A/C COMP Fuse	10A	A/C COMP Relay
RR WPR Fuse	25A	Window Wiper Module - Rear
RADIO Fuse	15A	Entertainment System Components
SEO B1 Fuse	15A	Instrument Panel Cluster (IPC), Rear Fog Lamp Relay, Overhead Console, Roof Beacon Switch
LO HDLP - LT Fuse	10A	Headlamp - Low Beam - Left, Headlamp Ballast - Left
BTSI Fuse	10A	Stop Lamp Switch
CRNK Fuse	10A	Powertrain Control Module (PCM)
LO HDLP - RT Fuse	10A	Headlamp - Low Beam - Right, Headlamp Ballast - Right
FOG LP Relay	--	FOG LP Fuse
FOG LP Fuse	15A	FOG LP Relay
HORN Relay	--	HORN Fuse
W/S WASH Relay	--	W/S WASH Fuse
W/S WASH Fuse	15A	W/S WASH Relay
INFO Fuse	15A	Vehicle Communication Interface Module (VCIM), Rear Seat Entertainment (RSE) Assembly, Remote Playback Device - CD Player
RADIO AMP Fuse	30A	Audio Amplifier
RH HID Fuse	20A	Headlamp Ballast - Right
HORN Fuse	15A	Horn - Left, Horn - Right
EAP Fuse	15A	Electronic Adjustable Pedals (EAP) Relay
TREC Fuse	30A	Transfer Case Encoder Motor, Transfer Case Shift Control Module
SBA Fuse	15A	Supplemental Brake Assist Pump Motor

Fuse Block - Underhood Top View

Fuse Block - Underhood Bottom View

Fuse Block - Underhood - C1

Connector Part Information

OEM: 12193905
Service: 12193905
Description: 68-Way F Metri-Pack 280 Series Flexlock (GY)

Terminal Part Information

Pins: A1, A3-A10, A12, B1-B3, B8, B9, B11, B12, C1- C3, C6-C7, C9, C10, C12, D3-D7, D10, D12, E3, E4, E6, E7, E10, E11, F1-F3, F5-F7, F10-F12
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - Underhood - C1

Pin	Wire Color	Circuit No.	Function
A1	OG	3940	Battery Positive Voltage (w/JF4)
A2	--	--	Not Used
A3	YE	5	Crank Voltage
A4	OG	2040	Battery Positive Voltage (w/YE9)
A5	OG	4340	Battery Positive Voltage
A6	PK	39	Ignition 1 Voltage
A7	YE	1139	Ignition 1 Voltage
A8	LT GN/BK	584	A/T Shift Lock Control Switch Supply Voltage
A9	PK	3	Ignition 1 Voltage
A10	OG	1740	Battery Positive Voltage
A11	--	--	Not Used
A12	BN	2409	Interior Park Lamps Supply Voltage
A12	BN	2409	Interior Park Lamps Supply Voltage (U01)
B1	OG	1640	Battery Positive Voltage (w/NP1/NP8)
B2	OG	2268	Windshield Washer Relay Control
B3	D-GN/WH	1317	Fog Lamp Relay Control
B3	D-GN/WH	1317	Fog Lamp Relay Control
B4-B7	--	--	Not Used
B8	OG	1840	Battery Positive Voltage
B9	BK/WH	1969	Headlamp Relay Control/Headlamp High Beam Relay Control
B10	--	--	Not Used
B11	OG	3840	Battery Positive Voltage (CF5)
B12	RD	142	Battery Positive Voltage
C1	OG	1640	Battery Positive Voltage (w/NP8)
C2	OG	3240	Battery Positive Voltage
C3	BK	28	Horn Relay Control
C3	BK	28	Horn Relay Control
C4-C5	--	--	Not Used
C6-C7	--	--	Not Available
C8	--	--	Not Used
C9	PK	1020	Off/Run/Crank Voltage
C10	OG	1040	Battery Positive Voltage
C11	--	--	Not Used
C12	PU	420	TCC Brake Switch/Cruise Control Release Signal
D1-D2	--	--	Not Used
D3	PK/WH	1970	Headlamp Low Beam Relay Control
D4	OG	340	Battery Positive Voltage
D4	OG	340	Battery Positive Voltage (w/UQ3/UQ5)
D5	OG	640	Battery Positive Voltage
D5	OG	640	Battery Positive Voltage
D6-D7	--	--	Not Available
D8-D9	--	--	Not Used
D10	PK	639	Ignition 1 Voltage
D11	--	--	Not Used
D12	OG	1140	Battery Positive Voltage
D12	OG	1140	Battery Positive Voltage (T89)
E1-E2	--	--	Not Used
E3	L-GN /BK	592	DRL Relay Control
E4	OG	4540	Battery Positive Voltage
E4	OG	4540	Battery Positive Voltage (8S8)
E5	--	--	Not Used
E6	BN/WH	1571	Traction Control Switch Signal (NW7)
E7	L-BU	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage
E8-E9	--	--	Not Used
E10	D-BU	2115	Right Turn Signal Lamps Supply Voltage
E11	OG	2340	Battery Positive Voltage
E12	--	--	Not Used
F1	PK	139	Ignition 1 Voltage
F2	OG	3740	Battery Positive Voltage
F3	L-BU	2114	Left Turn Signal Lamps Supply Voltage
F4	--	--	Not Used
F5	PK	739	Ignition 1 Voltage
	PK	739	Ignition 1 Voltage (8S8)
	PK	739	Ignition 1 Voltage (Z75)
F6	PK	639	Ignition 1 Voltage (w/o 8S8)
F6	PK	639	Ignition 1 Voltage
F7	OG	2840	Battery Positive Voltage (w/o 8S8)
F8-F9	--	--	Not Used
F10	GY	1524	Backup Lamp Supply Voltage
F11	WH	1080	Park Lamp Relay Control
F12	OG	1540	Battery Positive Voltage

Fuse Block - Underhood - C2

Connector Part Information

OEM: 12193906
Service: 12193906
Description: 68-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

Pins: A3, A7, A9, A10-A12, B3, B3, B7- B10, C3, C6-C7, C10, C12, D3, D5-D12, E6, E7, E10, E11, F3, F8, F9, F11
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - Underhood - C2

Pin	Wire Color	Circuit No.	Function
A1-A2	--	--	Not Used
A3	D-GN	59	A/C Compressor Clutch Supply Voltage
A4-A6	--	--	Not Used
A7	D-GN/WH	465	Fuel Pump Relay Control - Primary
A8	--	--	Not Used
A9	PK	1339	Ignition 1 Voltage
A10	L-BU	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage
A11	GY	1524	Trailer Backup Lamp Supply Voltage
A12	PK	439	Ignition 1 Voltage (EVA)
A12	PK	439	Ignition 1 Voltage (L59)
B1-B2	--	--	Not Used
B3	BK/WH	1695	Axle Switch Signal (NP2)
B3	BK/WH	1695	Axle Switch Signal (NP2)
B4-B6	--	--	Not Used
B7	BK	550	Ground
B8	OG	440	Battery Positive Voltage - PCM
B8	OG	440	Battery Positive Voltage - PCM
B9	PK	1039	Ignition 1 Voltage
B10	PK	439	Ignition 1 Voltage - MAF Sensor
B10	PK	439	Ignition 1 Voltage - PCM
B11-B12	--	--	Not Used
C1-C2	--	--	Not Used
C3	D-GN/WH	459	A/C Compressor Clutch Relay Control
C4-C5	--	--	Not Used
C6-C7	--	--	Not Available
C8-C9	--	--	Not Used
C10	PK	1039	Ignition 1 Voltage
C10	PK	1039	Ignition 1 Voltage (w/o L18)
C11	--	--	Not Used
C12	PU	420	TCC Brake Switch/Cruise Control Release Signal
D1-D2	--	--	Not Used
D3	L-GN	275	Park Neutral Position Switch Park Signal
D4	--	--	Not Used
D5	RD/WH	4740	Battery Positive Voltage (10 Series)
D5	RD/WH	4740	Battery Positive Voltage (10 Series)
D6-D7	--	--	Not Available
D8	PK	539	Ignition 1 Voltage
D8	PK	539	Ignition 1 Voltage
D9	PK	1239	Ignition 1 Voltage
D10	PK	1039	Ignition 1 Voltage (w/o L18)
D10	PK	1039	Ignition 1 Voltage
D11	PU	6	Starter Solenoid Crank Voltage
D12	YE/BK	625	Starter Enable Relay Control
E1-E5	--	--	Not Used
E6	PK	1239	Ignition 1 Voltage (w/o L18)
E6	PK	1239	Ignition 1 Voltage
E7	PK	1539	Ignition 1 Voltage
E7	PK	1539	Ignition 1 Voltage
E8-E9	--	--	Not Used
E10	PK	1239	Ignition 1 Voltage (w/o L18)
E10	PK	1239	Ignition 1 Voltage (w/o L18)
E11	PK	1020	Off/Run/Crank Voltage
E11	PK	1020	Off/Run/Crank Voltage
E12	--	--	Not Used
F1-F2	--	--	Not Used
F3	PU	806	Crank Voltage
F4-F7	--	--	Not Used
F8	PK	839	Ignition 1 Voltage
F9	PK	639	Ignition 1 Voltage
F10	--	--	Not Used
F11	D-GN	1433	Park/Neutral Start Switch Signal
F12	--	--	Not Used

Fuse Block - Underhood - C3

Connector Part Information

OEM: 12193912
Service: 12193912
Description: 32-Way F Metri-Pack 280 Series (RD)

Terminal Part Information

Pins: B2
Terminal/Tray: 15324340/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Pins: C3-C4, D3-D4
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Pins: A3-A5, B1, B3, B6, C2, C6, E4, F1, F4, F6,
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A3, B3, B6, C2, C6, F1, F4, F6 - C/A
Core/Insulation Crimp: Pins A4, A5, B1, E4 - E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - Underhood - C3

Pin	Wire Color	Circuit No.	Function
A1-A2	--	--	Not Used
A3	D-BU	2115	Right Turn Signal Lamps Supply Voltage
A4	OG	2640	Battery Positive Voltage
A4	OG	2640	Battery Positive Voltage (w/NYS)
A5	PU	420	TCC Brake Switch/Cruise Control Release Signal
A6	--	--	Not Used
B1	BK/WH	1695	Traction Control Switch Signal (w/o JL4)
B2	OG	2440	Battery Positive Voltage (Z55)
B3	L-BU	2114	Left Turn Signal Lamps Supply Voltage
B4-B5	--	--	Not Used
B6	BN	2109	Trailer Park Lamps Supply Voltage
C1	--	--	Not Used
C2	L-GN	1624	Trailer Backup Lamps Supply Voltage
C3-C4	--	--	Not Available
C5	--	--	Not Used
C6	BN/WH	2609	Right Rear Park Lamps Supply Voltage
D1-D2	--	--	Not Used
D3-D4	--	--	Not Available
D5-D6	--	--	Not Used
E1-E3	--	--	Not Used
E4	BK	550	Ground
E4	BK	550	Ground (JH2/JL4/VD1)
E5-E6	--	--	Not Used
F1	GY	120	Fuel Pump Supply Voltage
F1	GY	120	Fuel Pump Supply Voltage (2500 Series)
F2-F3	--	--	Not Used
F4	L-BU	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage
F5	--	--	Not Used
F6	BN	2509	Left Rear Park Lamps Supply Voltage

Fuse Block - Underhood - C4

Connector Part Information

OEM: 12193914
Service: 12193914
Description: 32-Way F Metri-Pack 280 Series (GN)

Terminal Part Information

Pins: A3, A4, A6, B2, C1, C3-C4, C5, C6, D2, D3-D4, D6, E1- E3, E6, F4, F5
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - Underhood - C4

Pin	Wire Color	Circuit No.	Function
A1-A2	--	--	Not Used
A3	D-BU	2115	Right Turn Signal Lamps Supply Voltage
A3	D-BU	2115	Right Turn Signal Lamps Supply Voltage (w/o Z75)
A4	BK	550	Ground
A4	BK	550	Ground
A5	--	--	Not Used
A6	D-GN	1329	Horn Fuse Supply Voltage
A6	D-GN	1329	Horn Fuse Supply Voltage (7Z1)
B1	--	--	Not Used
B2	D-BU	545	DRL Supply Voltage
B2	D-BU	545	DRL Supply Voltage
B3-B6	--	--	Not Used
C1	BN	2309	Front Park Lamps Supply Voltage
C1	BN	2309	Front Park Lamps Supply Voltage (w/o Z75)
C2	--	--	Not Used
C3-C4	--	--	Not Available
C5	BN	2309	Front Park Lamps Supply Voltage
C5	BN	2309	Front Park Lamps Supply Voltage (w/o Z75)
C6	RD	228	Windshield Washer Pump Control
D1	--	--	Not Used
D2	OG	3540	Battery Positive Voltage (Z75)
D3-D4	--	--	Not Available
D5	--	--	Not Used
D6	PU	34	Fog Lamps Supply Voltage (T96)
D6	PU	34	Fog Lamps Supply Voltage (w/T96)
E1	L-BU	2114	Left Turn Signal Lamps Supply Voltage (w/o Z75)
E1	L-BU	2114	Left Turn Signal Lamps Supply Voltage
E2	D-GN/WH	711	Left Headlamp High Beam Supply Voltage
E3	L-GN/BK	311	Right Headlamp High Beam Supply Voltage
E4-E5	--	--	Not Used
E6	OG	3640	Battery Positive Voltage (Z75)
F1-F3	--	--	Not Used
F4	YE	712	Left Headlamp Low Beam Supply Voltage
F5	TN/WH	312	Right Headlamp Low Beam Supply Voltage
F6	--	--	Not Used

Fuse Block - Underhood - C5

Connector Part Information

OEM: 15393171
Service: 88986444
Description: 2-Way F J-Type (GY)

Terminal Part Information

Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood - C5

Pin	Wire Color	Circuit No.	Function
A	RD	842	Battery Positive Voltage
B	RD	542	Battery Positive Voltage

Fuse Block - Underhood - C6

Connector Part Information

OEM: 15393172
Service: 88986445
Description: 2-Way F J-Type (L-GN)

Terminal Part Information

Pins: A
Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood - C6

Pin	Wire Color	Circuit No.	Function
A	RD	642	Battery Positive Voltage
B	--	--	Not Used

Fuse Block - Underhood - C7

Connector Part Information

OEM: 15393168
Service: 88986443
Description: 2-Way F J-Type (BK)

Terminal Part Information

Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood - C7

Pin	Wire Color	Circuit No.	Function
A	RD	342	Battery Positive Voltage
B	RD	42	Battery Positive Voltage

Fuse Block - Underhood - C9

Connector Part Information

OEM: 15393170
Service: 88986446
Description: 2-Way F J-Type (WH)

Terminal Part Information

Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood - C9

Pin	Wire Color	Circuit No.	Function
A	RD	442	Battery Positive Voltage
B	RD	4042	Battery Positive Voltage (w/JL4)

Fuse Block - Underhood - Cooling Fan (10 Series)

Fuse Block - Underhood - Cooling Fan (10 Series)

Device	Rating	Description
Cool/Fan Fuse	40A	Cool/Fan 1 Relay
Cool/Fan Fuse	40A	Cool/Fan 2 Relay
Cool/Fan Fuse	10A	Cool/Fan 3 Relay
Cool/Fan 1 Relay	--	Cooling Fan - Left
Cool/Fan 2 Relay	--	Cooling Fan - Left and Right High Speed
Cool/Fan 3 Relay	--	Cooling Fan - Left and Right Low Speed

Fuse Block - Underhood - Cooling Fan Top View (10 Series)

Fuse Block - Underhood - Cooling Fan Bottom View (10 Series)

Fuse Block - Underhood - Cooling Fan (10 Series) Wire Entry

Connector Part Information

OEM: 15490629
Service: See Catalog
Description: 29-Way F PA66 GF14 Series (BK)

Terminal Part Information

Pins: A1- A4, A6, A8, B3, B6, B8, C7, C8, D1, D2, E3, E5, F3, F5, G5, G6, G8
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - Underhood - Cooling Fan (10 Series) Wire Entry

Pin	Wire Color	Circuit No.	Function
A1	BK	250	Ground
A2	--	--	Battery Positive Voltage Bus
A3	D-BU	473	High Speed Cooling Fan Control
A4	L-BU	409	Cooling Fan Motor Supply Voltage
A6	--	--	Cooling Fan Motor Supply Voltage Bus
A8	--	--	Battery Positive Voltage Bus
B1	--	--	Not Used
B3	YE	5358	Cooling Fan Motor Control
B6	D-BU	473	High Speed Cooling Fan Control
B8	--	--	Battery Positive Voltage Bus
C1	--	--	Not Used
C7	--	--	Battery Positive Voltage Bus
C8	--	--	Battery Positive Voltage Bus
D1	--	--	Battery Positive Voltage Bus
D2	--	--	Battery Positive Voltage Bus
E1-E2	--	--	Not Used
E3	GY	532	Cooling Fan Motor Supply Voltage
E5	--	--	Battery Positive Voltage Bus
F1-F2	--	--	Not Used
F3	D-GN	335	Low Speed Cooling Fan Control
F5	--	--	Battery Positive Voltage Bus
G5	--	--	Battery Positive Voltage Bus
G6	--	--	Battery Positive Voltage Bus
G7	--	--	Not Used
G8	--	--	Battery Positive Voltage Bus
H7-H8	--	--	Not Used

Fuse Block - Underhood - Cooling Fan (10 Series) Connector

Connector Part Information

OEM: 12160893
Service: 15306159
Description: 1-Way F Metri-Pack 800 Series Flexlock Maxi (BK)

Terminal Part Information

Terminal/Tray: 12092445/18
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood - Cooling Fan (10 Series) Connector

Pin	Wire Color	Circuit No.	Function
A	RD	1	Battery Positive Voltage

Fuse Block - I/P Label

Fuse Block - I/P Label Usage

Device	Rating	Description
RR WPR Fuse	15A	Rear Wiper/Washer Switch
SEO ACCY Fuse	10A	Upfitter Provisions
WS WPR Fuse	25A	Windshield Wiper Motor Module
TBC ACCY Fuse	10A	Body Control Module (BCM)
IGN 3 Fuse	10A	HVAC Components, Electronic Suspension Control (ESC) Components, Heated Seat Modules - Rear, Rear Wheel Steering Control Module
4WD Fuse	15A	Front Axle Actuator, Transfer Case Shift Control Switch
HTR/AC Fuse	30A	HVAC Control Module
LOCK Relay	--	Door Lock Actuator - Liftgate, Door Latch Assembly - LR/RR
HVAC 1 Fuse	10A	HVAC Control Module, HVAC Actuators
L DOOR 12-WAY - BLACK	--	Fuse Block - Left I/P C4 (Driver Door Harness)
CRUISE Fuse	10A	Cruise Control Switch, Steering Wheel Speed/Position Sensor
UNLOCK Relay	--	Door Lock Actuator - Liftgate, Door Latch Assembly - LR/RR
RR FOG LP Relay	--	Rear Fog Lamps (Export)
BRAKE Fuse	10A	Stop Lamp Switch, Electronic Brake Control Module (EBCM), Traction Control Switch
DRIVER UNLOCK Relay	--	Not Used
PDM Fuse	10A	Front Passenger Door Module (FPDM)
IGN 0 Fuse	10A	Passlock Sensor, Automatic Transmission, Powertrain Control Module (PCM)
TBC IGN 0 Fuse	10A	Body Control Module (BCM)
VEH CHMSL Fuse	10A	Center High Mounted Stop Lamp (CHMSL)
LT TRLR ST/TRN Fuse	10A	Trailer Wiring
LT TRN Fuse	10A	Turn Signal Lamps - Left, Marker Lamps - Left, Driver Door Module (DDM), Instrument Panel Cluster (IPC)
VEH STOP Fuse	15A	Tail/Stop and Turn Signal Lamps - Rear, Throttle Actuator Control (TAC)
BODY 12-WAY BROWN	--	Fuse Block - Left I/P C3 (Body Harness)
RT TRLR ST/TRN Fuse	10A	Trailer Wiring
RT TRN Fuse	10A	Turn Signal Lamps - Right, Marker Lamps - Right, Front Passenger Door Module (FPDM), Instrument Panel Cluster (IPC)
DDM Fuse	15A	Driver Door Module (DDM)
AUX PWR 2 Fuse	20A	Accessory Power Outlet - D-Pillar
LOCKS Fuse	20A	Door Lock/Unlock Relays
ECC Fuse	10A	HVAC Control Assembly - Rear Auxiliary
TBC 2C Fuse	15A	Body Control Module (BCM)
FLASH Fuse	25A	Turn Signal/Hazard Flasher Module
CB LT DOORS	25A	Window Switch - LR, Driver Door Module (DDM)
TBC 2B Fuse	15A	Body Control Module (BCM)
TBC 2A Fuse	15A	Body Control Module (BCM)

Fuse Block - I/P Top View

Fuse Block - I/P Bottom View

Fuse Block - I/P - C1

Connector Part Information

OEM: 12193906
Service: 12193906
Description: 68-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

Pins: A2, A4, A6- A9, A11,A12, B1-B3, B3, B8, B12, C2, C4, C5, C8, D1, D3, D5-D7, D10, D12, E2- E5, E7-E12, F1, F3-F6, F8, F9, F11
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - I/P - C1

Pin	Wire Color	Circuit No.	Function
A1	--	--	Not Used
A2	GY/BK	255	Power Door Lock Fuse Supply Voltage
A3	--	--	Not Used
A4	TN/BK	254	Power Door Unlock Fuse Supply Voltage
A5	--	--	Not Used
A6	D-BU	2115	Right Turn Signal Lamps Supply Voltage
A7	OG	4240	Battery Positive Voltage
A8	YE	1618	Trailer Left Rear Turn/Stop Lamp Supply Voltage
A9	D-GN	1619	Trailer Right Rear Turn/Stop Lamp Supply Voltage
A10	--	--	Not Used
A11	D-BU	2115	Right Turn Signal Lamps Supply Voltage
A11	D-BU	2115	Right Turn Signal Lamps Supply Voltage
A12	RD	42	Battery Positive Voltage
B1	YE	143	Accessory Voltage
B1	YE	143	Accessory Voltage
B2	YE	43	Accessory Voltage
B3	YE	1977	Rear Fog Lamp Relay Control (w/VD1)
B3	YE	1977	Rear Fog Lamp Relay Control (w/VD1)
B4-B7	--	--	Not Used
B8	WH	17	Stop Lamp Switch Signal
B9-B11	--	--	Not Used
B12	OG	2140	Battery Positive Voltage
C1	--	--	Not Used
C2	BN	141	Ignition 3 Voltage (w/CJ3)
C3	--	--	Not Used
C4	BN	41	Ignition 3 Voltage
C5	BN	441	Ignition 3 Voltage (w/JL4 or NW7)
C6-C7	--	--	Not Available
C8	L-BU	1620	Trailer CHMSL Supply Voltage
C9-C12	--	--	Not Used
D1	YE	243	Accessory Voltage
D2	--	--	Not Used
D3	BN	341	Ignition 3 Voltage
D3	BN	341	Ignition 3 Voltage
D4	--	--	Not Used
D5	BN	441	Ignition 3 Voltage
D5	BN	441	Ignition 3 Voltage
D6-D7	--	--	Not Available
D8-D9	--	--	Not Used
D10	BK/WH	1851	Ground
D11	--	--	Not Used
D12	BN	541	Ignition 3 Voltage (NYS)
E1	--	--	Not Used
E2	BN	241	Ignition 3 Voltage (NP8/NR4)
E2	BN	241	Ignition 3 Voltage (NP8)
E3	RD	122	Rear Fog Lamp Supply Voltage (VD1)
E4	GY	118	Left Front Door Speaker Output (-)
E4	GY	118	Left Front Tweeter Speaker Output (-) (Y91)
E5	BN	1046	Class 2 Serial Data
E6	--	--	Not Used
E7	PK	1691	Automatic Day/Night Mirror Low Reference
E8	WH	530	Ignition 0 Voltage
E9	OG	4540	Battery Positive Voltage (VD1)
E10	RD	842	Battery Positive Voltage
E11	OG	4040	Battery Positive Voltage
E12	OG	2240	Battery Positive Voltage
F1	YE	343	Accessory Voltage (E52)
F2	--	--	Not Used
F3	L-BU	2114	Left Turn Signal Lamps Supply Voltage
F3	L-BU	2114	Left Turn Signal Lamps Supply Voltage
F4	GY	1690	Automatic Day/Night Mirror Signal
F5	TN	201	Left Front Door Speaker Output (+)
F5	TN	201	Left Front Tweeter Speaker Output (+) (Y91)
F6	BK	1050	Ground
F7	--	--	Not Used
F8	PK	1020	Off/Run/Crank Voltage
F8	PK	1020	Off/Run/Crank Voltage (VD1)
F9	L-BU	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage
F10	--	--	Not Used
F11	OG	540	Battery Positive Voltage
F12	--	--	Not Used

Fuse Block - I/P - C2

Connector Part Information

OEM: 12193930
Service: 15306107
Description: 6-Way F Metri-Pack 280 Series Flexlock (BK)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - I/P - C2

Pin	Wire Color	Circuit No.	Function
A	OG	300	Ignition 3 Voltage
B	L-GN	1427	Right Turn Signal Switch Signal
C	D-GN	1428	Left Turn Signal Switch Signal
D	WH	111	Hazard Switch Signal
E	WH	1390	Off/Run/Crank Voltage
F	BN	4	Accessory Voltage

Fuse Block - I/P - C3

Connector Part Information

OEM: 12194035
Service: 15306198
Description: 12-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

Pins: G, L
Terminal/Tray: 12110844/4
Core/Insulation Crimp: C/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: C
Terminal/Tray: 12110842/4
Core/Insulation Crimp: A/B
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: A, D, F, H-K, M
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A, D, H-K, M - E/C
Core/Insulation Crimp: Pins F - E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - I/P - C3

Pin	Wire Color	Circuit No.	Function
A	BN/WH	230	Instrument Panel Lamps Dimming Control (w/o YE9)
B	--	--	Not Used
C	OG	1240	Battery Positive Voltage
D	BK	1050	Ground
E	--	--	Not Used
F	OG	4140	Battery Positive Voltage
G	TN	201	Left Front Speaker Output (+) (UQ3)
G	TN	201	Left Front Speaker Output (+)
H	PK	1691	Automatic Day/Night Mirror Low Reference (DL3)
J	BN	1046	DDM Class 2 Serial Data
K	GY	1690	Automatic Day/Night Mirror Signal (DL3)
L	GY	118	Left Front Speaker Output (-) (UQ3)
L	GY	118	Left Front Speaker Output (-)
M	L-BU	2114	Left Turn Signal Lamps Supply Voltage

Fuse Block - I/P - C4

Connector Part Information

OEM: 15328768
Service: 89046826
Description: 12-Way F Metri-Pack 280 Series Flexlock (BN)

Terminal Part Information

Pins: B-H, K, M
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - I/P - C4

Pin	Wire Color	Circuit No.	Function
A	--	--	Not Used
B	BN	541	Ignition 3 Voltage
C	BN	541	Ignition 3 Voltage (Z75)
C	BN	541	Ignition 3 Voltage
D	OG	3140	Battery Positive Voltage (CJ3/CJ2)
E	TN	294	Door Lock Actuator Unlock Control
E	TN	294	Door Lock Actuator Unlock Control
F	TN	294	Door Lock Actuator Unlock Control (All Except Avalanche Escalade EXT)
G	OG	3040	Battery Positive Voltage
H	L-BU	1620	Trailer CHMSL Supply Voltage
J	--	--	Not Used
K	GY	295	Left Rear Door Lock Actuator Lock Control
K	GY	295	Right Rear Door Lock Actuator Lock Control
L	--	--	Not Used
M	OG	1240	Battery Positive Voltage

Relay Block - I/P Body Label

Relay Block - I/P Body Label Usage

Device	Rating	Description
SEO - 6-WAY - BK	--	Relay Block - Body C8
TRAILER - 6-WAY - BN	--	Relay Block - Body C7
UPFIT - 4-WAY - CM	--	Trailer Provisions
SL RIDE - 6-WAY - GY	--	Relay Block - Body C5
HDLNR 2 - 6-WAY - CM	--	Relay Block - Body C4
BODY - 12-WAY - WH	--	Relay Block - Body C10
DEFOG Relay	--	RR DEFOG Fuse
HDLNR 1 - 12-WAY - BN	--	Relay Block - Body C3
SPARE - RELAY	--	Not Used
CB - SEAT	30A	Seat Adjuster Switch - Driver, Memory Seat Module, Lumbar Bolster Switch - Front Passenger, Seat Adjuster Switch - Front Passenger
CB - RT DOOR	25A	Front Passenger Door Module (FPDM), Window Switch - RR
SPARE - 4-WAY - GY	--	Not Used
INFO - 12-WAY - BK	--	Relay Block - Body C9

Relay Block - I/P Body Top View

Relay Block - I/P Body Bottom View

Relay Block - I/P - C1

Connector Part Information

OEM: 12193905
Service: 12193905
Description: 68-Way F Metri-Pack 280 Series Flexlock (GY)

Terminal Part Information

Pins: A1, A3, A4-A6, A8, A9, A11, A12, B1- B3, B5- B9, B11, C1- C11, D1-D10, D12, E1, E2, E4-E8, E10, F1- F11
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Relay Block - I/P - C1

Pin	Wire Color	Circuit No.	Function
A1	L-GN	24	Backup Lamp Supply Voltage - BCM
A1	L-GN	24	Backup Lamp Supply Voltage - Junction Block - Rear
A2	--	--	Not Used
A3	BK/WH	1704	Low Reference
A4	D-GN/WH	636	Ambient Air Temperature Sensor Signal
A5	BK/WH	1851	Ground
A5	BK/WH	1851	Ground
A6	WH	193	Rear Defog Relay Control
A7	--	--	Not Used
A8	BN/WH	230	Instrument Panel Lamps Dimming Control
A8	BN/WH	230	Instrument Panel Lamps Dimming Control (Y91)
A9	YE	1139	Ignition 1 Voltage
A10	--	--	Not Used
A11	BN/WH	230	Instrument Panel Lamps Dimming Control (NP1/NP8)
A11	BN/WH	230	Instrument Panel Lamps Dimming Control (VSES)
A12	GY/BK	690	Courtesy Lamp Supply Voltage
B1	PK	1045	Serial Communications Circuit (w/o Y91)
B2	OG	3740	Battery Positive Voltage (UQ7 w/o Y91)
B3	BK/WH	1851	Ground
B3	BK/WH	1851	Ground
B4	--	--	Not Used
B5	BK/WH	1851	Ground
B5	BK/WH	1851	Ground
B6	OG	1840	Battery Positive Voltage
B7	RD	642	Battery Positive Voltage
B8	BN/WH	230	Instrument Panel Lamps Dimming Control
	BN/WH	230	Instrument Panel Lamps Dimming Control (JL4)
	BN/WH	230	Instrument Panel Lamps Dimming Control (NYS)
B9	D-GN/WH	817	Vehicle Speed Signal (UQ7 w/Y91)
B9	D-GN/WH	817	Vehicle Speed Signal
B10	--	--	Not Used
B11	OG	3240	Battery Positive Voltage (w/o Y91)
B12	--	--	Not Used
C1	OG	340	Battery Positive Voltage (YE9)
C2	BN/WH	230	Instrument Panel Lamps Dimming Control
C2	BN/WH	230	Instrument Panel Lamps Dimming Control (YE9)
C3	BN/WH	230	Instrument Panel Lamps Dimming Control (YE9)
C3	BN/WH	230	Instrument Panel Lamps Dimming Control (U1S)
C4	OG	1732	Inadvertent Power Supply Voltage
C5	BK/WH	1851	Ground
C6-C7	--	--	Not Available
C8	BN/WH	230	Instrument Panel Lamps Dimming Control
C8	BN/WH	230	Instrument Panel Lamps Dimming Control
C9	OG	1340	Battery Positive Voltage
C10	BN	2409	Interior Park Lamps Supply Voltage
C11	OG	1732	Inadvertent Power Supply Voltage (Y91)
C11	OG	1732	Inadvertent Power Supply Voltage (Avalanche/Escalade EXT)
C12	--	--	Not Used
D1	WH/BK	5515	Inside Air Temperature Sensor Assembly Control (CJ2)
D2	BN/WH	230	Instrument Panel Lamps Dimming Control
D3	BN/WH	230	Instrument Panel Lamps Dimming Control (T89/ w/o Y91)
D3	BN/WH	230	Instrument Panel Lamps Dimming Control (UM8)
D4	OG	1732	Inadvertent Power Supply Voltage
D5	BK/WH	1851	Ground
D5	BK/WH	1851	Ground (U42)
D6-D7	--	--	Not Available
D8	BK/WH	1851	Ground
D8	BK/WH	1851	Ground (Y91)
D9	BK	1050	Ground
D10	BN	2409	Interior Park Lamps Supply Voltage (906 w/NYS)
D11	--	--	Not Used
D12	OG	2340	Battery Positive Voltage (VYU)
E1	BN	718	Low Reference (CJ2)
E2	PK	1691	Automatic Day/Night Mirror Low Reference (DL3)
E3	--	--	Not Used
E4	PU/WH	1382	LED Dimming Signal
E4	PU/WH	1382	LED Dimming Signal (NP1/NP8)
E5	BK/WH	1851	Ground (AU3/YE9)
E5	BK/WH	1851	Ground (UQ7/Y91)
E6	D-GN/WH	817	Vehicle Speed Signal
E6	D-GN/WH	817	Vehicle Speed Signal (NYS)
E7	PU/WH	1382	LED Dimming Signal
E7	PU/WH	1382	LED Dimming Signal
E8	BK/WH	1851	Ground
E8	BK/WH	1851	Ground
E9	--	--	Not Used
E10	RD	242	Battery Positive Voltage
E11-E12	--	--	Not Used
F1	D-GN	734	Inside Air Temperature Sensor Signal (CJ2)
F2	GY	1690	Automatic Day/Night Mirror Signal (DL3)
F3	PK	739	Ignition 1 Voltage
F4	TN/WH	1384	Selective Ride Control Switch Signal
F5	BK/WH	1851	Ground (NP1/NP8)
F5	BK/WH	1851	Ground (U2K/U2L & Y91)
F6	PU/WH	1382	LED Dimming Signal (Z75 or T79)
F6	PU/WH	1382	LED Dimming Signal (NYS)
F7	OG	4540	Battery Positive Voltage
F7	OG	4540	Battery Positive Voltage (T79)
F8	BK/WH	1851	Ground ( Y91)
F8	BK/WH	1851	Ground (VD1)
F9	L-BU	1620	Trailer CHMSL Supply Voltage
F10	D-BU	47	Trailer Auxiliary Supply Voltage (w/o LU3)
F11	YE	243	Accessory Voltage
F12	--	--	Not Used

Relay Block - I/P - C3

Connector Part Information

OEM: 15328768
Service: 89046826
Description: 12-Way F Metri-Pack 280 Series Flexlock (BN)

Terminal Part Information

Pins: G, K, L
Terminal/Tray: 12110844/4
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: A-C, E, F, H, M
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A, B, E, F, H - E/A
Core/Insulation Crimp: Pins C, M - C/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Relay Block - I/P - C3

Pin	Wire Color	Circuit No.	Function
A	L-GN	24	Backup Lamp Supply Voltage
B	OG	4540	Battery Positive Voltage
C	BK	1050	Ground
D	--	--	Not Used
E	YE	1139	Ignition 1 Voltage
F	D-GN	2308	Passenger Air Bag OFF Indicator Control (ALO)
G	BK/WH	1704	Low Reference (YE9)
H	D-BU	2307	Passenger Air Bag ON Indicator Control (ALO)
J	--	--	Not Used
K	D-GN/WH	636	Ambient Air Temperature Sensor Signal (YE9)
L	GY/BK	690	Courtesy Lamp Supply Voltage
L	GY/BK	690	Courtesy Lamp Supply Voltage (Avalanche/Escalade EXT)
M	OG	1732	Inadvertent Power Supply Voltage

Relay Block - I/P - C4

Connector Part Information

OEM: 12193922
Service: 15306105
Description: 6-Way F Metri-Pack 280 Series Flexlock (CM)

Terminal Part Information

Terminal/Tray: 12110844/4
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Relay Block - I/P - C4

Pin	Wire Color	Circuit No.	Function
A	BN/WH	230	Instrument Panel Lamps Dimming Control (YE9)
A	BN/WH	230	Instrument Panel Lamps Dimming Control (C36 or C69)
B	PK	1691	Automatic Day/Night Mirror Low Reference (DL3)
C	GY	1690	Automatic Day/Night Mirror Signal (DL3)
D	D-GN	734	Inside Air Temperature Sensor Signal (CJ2)
E	BN	718	Low Reference (CJ2)
F	WH/BK	5515	Inside Air Temperature Sensor Assembly Control (CJ2)

Relay Block - I/P - C7 (Z82 w/Electric Trailer Brake Jumper Installed)

Connector Part Information

OEM: 12193924
Service: 15306106
Description: 6-Way F Metri-Pack 280 Series Flexlock (BN)

Terminal Part Information

Pins: A-D, F
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Relay Block - I/P - C7 (Z82 w/Electric Trailer Brake Jumper Installed)

Pin	Wire Color	Circuit No.	Function
A	BN	2409	Interior Park Lamps Supply Voltage
B	RD	242	Battery Positive Voltage
C	D-BU	47	Trailer Auxiliary Supply Voltage
D	L-BU	1620	Trailer CHMSL Supply Voltage
E	--	--	Not Used
F	BK	1050	Ground

Relay Block - I/P - C8 (VYU)

Connector Part Information

OEM: 12193930
Service: 15306107
Description: 6-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

Pins: A
Terminal/Tray: 12191475/1
Core/Insulation Crimp: A/G
Release Tool/Test Probe: 12094429/J-35616-4A (PU)

Pins: E, F
Terminal/Tray: 12110844/4
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Relay Block - I/P - C8 (VYU)

Pin	Wire Color	Circuit No.	Function
A	OG	2340	Battery Positive Voltage
B-D	--	--	Not Used
E	OG	4540	Battery Positive Voltage
F	BK	1050	Ground

Relay Block - I/P - C9 (Except Y91)

Connector Part Information

OEM: 12194035
Service: 15306198
Description: 12-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

Pins: D
Terminal/Tray: 12110842/4
Core/Insulation Crimp: A/B
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: B, E, H-M
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins B - E/C
Core/Insulation Crimp: Pins E,H-M - E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Relay Block - I/P - C9 (Except Y91)

Pin	Wire Color	Circuit No.	Function
A	--	--	Not Used
B	PK	1045	Serial Communications Circuit
C	--	--	Not Used
D	OG	3740	Battery Positive Voltage (UQ7)
E	OG	340	Battery Positive Voltage (UK6)
E	OG	340	Battery Positive Voltage (U2K/U2L)
F-G	--	--	Not Used
H	OG	3240	Battery Positive Voltage (UE1)
H	OG	3240	Battery Positive Voltage (UE1)
J	OG	3240	Battery Positive Voltage (U42)
K	BK/WH	1851	Ground (UE1)
K	BK/WH	1851	Ground (U42)
L	BK/WH	1851	Ground (UE1)
M	BK/WH	1851	Ground (UQ7)
M	BK/WH	1851	Ground (U2K/U2L)

Relay Block - I/P - C10

Connector Part Information

OEM: 15357030
Service: 89046825
Description: 12-Way F Metri-Pack 280 Series Flex-Lock (WH)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Relay Block - I/P - C10

Pin	Wire Color	Circuit No.	Function
A	OG	4540	Battery Positive Voltage - LR Heated Seat Module (Y91)
A	OG	4540	Battery Positive Voltage - RR Heated Seat Module (Y91)
B	GY/BK	690	Courtesy Lamp Supply Voltage (Suburban/Escalade ESV)
C	GY/BK	690	Courtesy Lamp Supply Voltage - LR Door
C	GY/BK	690	Courtesy Lamp Supply Voltage - RR Door
D	D-GN	2308	Passenger Air Bag OFF Indicator Control (ALO)
E	OG	1440	Battery Positive Voltage
F	BN/WH	230	Instrument Panel Lamps Dimming Control
F	BN/WH	230	Instrument Panel Lamps Dimming Control
G	D-BU	2307	Passenger Air Bag ON Indicator Control (w/ALO)
H	OG	1440	Battery Positive Voltage
J	D-GN/WH	817	Vehicle Speed Signal (Z75)
K	OG	1340	Battery Positive Voltage
L	PU	293	Rear Defog Element Supply Voltage
M	YE	1139	Ignition 1 Voltage
M	YE	1139	Ignition 1 Voltage (ALO)

Junction Block - I/P Top View

Junction Block - I/P Bottom View

Junction Block - I/P - Wire Entry

Connector Part Information

OEM: 15401495
Service: See Catalog
Description: 48-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

Pins: 2F, 4A, 4J, 4M, 8C
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Pins: 2A, 2B, 4B-4E, 4F, 5B-5E, 6B, 6D, 6E, 7B, 7C, 7F, 8A, 8D-8F
Terminal/Tray: 12034047/2
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 12094430/J-35616-5 (PU)

Pins: 4B-4E, 4G, 4K, 6A, 6C, 7E
Terminal/Tray: 12084586/4
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12094430/J-35616-5 (PU)

Junction Block - I/P - Wire Entry

Pin	Wire Color	Circuit No.	Function
2A	D-GN	117	Right Front Speaker Output (-)
2B	L-GN	200	Right Front Speaker Output (+)
2C-2E	--	--	Not Used
2F	BK	1050	Ground
3A-3F	--	--	Not Used
4A	BK	1050	Ground
4B	OG	52	Blower Motor High Control (CJ3)
4B	GY/BK	2337	Lower Right Air Temperature Sensor Signal (CJ2)
4C	PU	73	Medium 3 Blower Motor Control (CJ3)
4C	BN	718	Low Reference (CJ2)
4D	RD	542	Battery Positive Voltage
4E	TN	63	Auxiliary Blower Motor Medium 1 Control (CJ3)
4E	PU	1838	Recirculation Door Position Signal (CJ2)
4F	PU/WH	760	Auxiliary Front Blower Motor Switch Signal (CJ2)
4G	YE	60	Blower Motor Low Control (CJ3)
4H	--	--	Not Used
4J	L-BU/BK	1688	5-Volt Reference
4K	L-BU	72	Medium 2 Blower Motor Control (CJ3)
4L	--	--	Not Used
4M	YE	1791	Low Reference
5A	--	--	Not Used
5B	L-GN	2275	Mode Door Position Signal
5C	TN	2273	Mode Door Control
5D	D-BU	1199	Left Air Temperature Door Control
5E	L-BU	733	Left Air Temperature Door Position Signal
5F	--	--	Not Used
6A	OG	3840	Battery Positive Voltage
6B	BN	2409	Interior Park Lamps Supply Voltage
6C	BK	1050	Ground
6D	D-BU	1353	RAP Supply Voltage
6E	BN/WH	230	Instrument Panel Lamps Dimming Control
6F	--	--	Not Used
7A	--	--	Not Used
7B	TN	1047	PDM Class 2 Serial Data
7C	OG	4240	Battery Positive Voltage
7D	--	--	Not Used
7E	OG	1340	Battery Positive Voltage
7F	D-BU	2115	Right Turn Signal Lamps Supply Voltage
8A	WH/BK	2339	Lower Left Air Temperature Sensor Signal (CJ2)
8B	--	--	Not Used
8C	BN	341	Ignition 3 Voltage
8D	D-BU	1646	Right Air Temperature Door Position Signal
8E	WH/BK	1236	Right Air Temperature Door Control
8F	D-GN	1614	Recirculation Door Control

Junction Block - I/P - C2

Connector Part Information

OEM: 12193930
Service: 15306107
Description: 6-Way F Metri-Pack 280 Series Flexlock (BK)

Terminal Part Information

Pins: A, B,F, F
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A, B - C/A
Core/Insulation Crimp: Pins F - E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - I/P - C2

Pin	Wire Color	Circuit No.	Function
A	D-GN	117	Right Front Speaker Output (-)
A	D-GN	117	Right Front Speaker Output (-) (UQ3)
B	L-GN	200	Right Front Speaker Output (+)
B	L-GN	200	Right Front Speaker Output (+) (UQ3)
C-E	--	--	Not Used
F	BK	1050	Ground
F	BK	1050	Ground (w/o YE9)

Junction Block - I/P - C4

Connector Part Information

OEM: 12194037
Service: 15306341
Description: 12-Way F Metri-Pack 280 Series Flexlock (BN)

Terminal Part Information

Pins: A, D
Terminal/Tray: 15324340/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Pins: B, C, E, F, H, J, L, M
Terminal/Tray: 12110844/4
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: B, C, E, G
Terminal/Tray: 12110842/4
Core/Insulation Crimp: A/B
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - I/P - C4

Pin	Wire Color	Circuit No.	Function
A	BK	1050	Ground
B	GY/BK	2337	Lower Right Air Temperature Sensor Signal (CJ2)
B	OG	52	Blower Motor High Control (CJ3)
C	BN	718	Low Reference (CJ2)
	BN	718	Low Reference - (CJ2)
	PU	73	Medium 3 Blower Motor Control (CJ3)
D	RD	542	Battery Positive Voltage
E	PU	1838	Recirculation Door Position Signal (CJ2)
E	TN	63	Auxiliary Blower Motor Medium 1 Control (CJ3)
F	PU/WH	760	Blower Motor Speed Control (CJ2)
G	YE	60	Blower Motor Low Control (CJ3)
H	L-BU/BK	1688	5-Volt Reference (CJ2)
H	L-BU/BK	1688	5-Volt Reference (CJ2)
J	L-BU/BK	1688	5-Volt Reference (CJ2)
J	L-BU/BK	1688	5-Volt Reference (CJ2)
K	--	--	Not Used
L	YE	1791	Low Reference (CJ2)
L	YE	1791	Low Reference (CJ2)
M	YE	1791	Low Reference (CJ2)
M	YE	1791	Low Reference (CJ2)

Junction Block - I/P - C5

Connector Part Information

OEM: 12193924
Service: 15306106
Description: 6-Way F Metri-Pack 280 Series Flexlock (BN)

Terminal Part Information

Pins: B-E
Terminal/Tray: 12110844/4
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - I/P - C5

Pin	Wire Color	Circuit No.	Function
A	--	--	Not Used
B	L-GN	2275	Mode Door Position Signal (CJ2)
C	TN	2273	Mode Door Control (CJ2)
D	D-BU	1199	Left Air Temperature Door Control (CJ2)
E	L-BU	733	Left Air Temperature Door Position Signal (CJ2)
F	--	--	Not Used

Junction Block - I/P - C6 (CF5 and U01)

Connector Part Information

OEM: 12193929
Service: 12193929
Description: 6-Way F Metri-Pack 280 Series Flexlock (L-GN)

Terminal Part Information

Pins: A
Terminal/Tray: 12110842/4
Core/Insulation Crimp: A/B
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: B-E
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins B, C, E - E/C
Core/Insulation Crimp: Pins D - E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - I/P - C6 (CF5 and U01)

Pin	Wire Color	Circuit No.	Function
A	OG	3840	Battery Positive Voltage (CF5)
B	BN	2409	Interior Park Lamps Supply Voltage (U01)
C	BK	1050	Ground (CF5)
	BK	1050	Ground (CF5)
	BK	1050	Ground (NYS)
D	D-BU	1353	RAP Supply Voltage (CF5)
E	BN/WH	230	Instrument Panel Lamps Dimming Control (CF5)
F	--	--	Not Used

Junction Block - I/P - C7

Connector Part Information

OEM: 12193922
Service: 15306105
Description: 6-Way F Metri-Pack 280 Series Flexlock (CM)

Terminal Part Information

Pins: E
Terminal/Tray: 12110842/4
Core/Insulation Crimp: A/B
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: B, C, F
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins B, F - E/C
Core/Insulation Crimp: Pins C - E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - I/P - C7

Pin	Wire Color	Circuit No.	Function
A	--	--	Not Used
B	TN	1047	PDM Class 2 Serial Data
C	OG	4240	Battery Positive Voltage
D	--	--	Not Used
E	OG	1340	Battery Positive Voltage
F	D-BU	2115	Right Turn Signal Lamps Supply Voltage

Junction Block - I/P - C8

Connector Part Information

OEM: 12193928
Service: 88988740
Description: 6-Way F Metri-Pack 280 Series Flexlock (GY)

Terminal Part Information

Terminal/Tray: 12110844/4
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - I/P - C8

Pin	Wire Color	Circuit No.	Function
A	WH/BK	2339	Lower Left Air Temperature Sensor Signal (CJ2)
B	BN	341	Ignition 3 Voltage (CJ2)
B	BN	341	Ignition 3 Voltage (CJ2)
C	BN	341	Ignition 3 Voltage (CJ2)
C	BN	341	Ignition 3 Voltage (CJ2)
D	D-BU	1646	Right Air Temperature Door Position Signal (CJ2)
E	WH/BK	1236	Right Air Temperature Door Control (CJ2)
F	D-GN	1614	Recirculation Door Control (CJ2)

Junction Block - Rear

Junction Block - Rear Lamps - C1

Connector Part Information

OEM: 15317304
Service: 15306114
Description: 8-Way F GT 280 Series Sealed (BU)

Terminal Part Information

Pins: A-E, G, H
Terminal/Tray: 15304716/8
Core/Insulation Crimp: 2/1
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Rear Lamps - C1

Pin	Wire Color	Circuit No.	Function
A	L-BU	2114	Left Turn Signal Lamps Supply Voltage
B	L-BU	1320	Stop Lamp Supply Voltage
C	L-GN	24	Backup Lamp Supply Voltage
D	BN/WH	2609	Right Rear Park Lamps Supply Voltage
E	BK	1750	Ground
F	--	--	Not Used
G	BN	2509	Left Rear Park Lamps Supply Voltage
H	D-BU	2115	Right Turn Signal Lamps Supply Voltage

Junction Block - Rear Lamps - C2

Connector Part Information

OEM: 15317305
Service: 15306338
Description: 7-Way F GT 280 Series (GY)

Terminal Part Information

Pins: A-F, H
Terminal/Tray: 15304716/8
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Rear Lamps - C2

Pin	Wire Color	Circuit No.	Function
A	BK	1750	Ground
B	BK	1750	Ground
C	BK	1750	Ground
D	L-BU	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage
E	BN	2509	Left Rear Tail Lamps Supply Voltage
F	L-GN	24	Backup Lamp Supply Voltage
G	--	--	Not Used
H	L-BU	2114	Left Turn Signal Lamps Supply Voltage

Junction Block - Rear Lamps - C3

Connector Part Information

OEM: 15317308
Service: 15306135
Description: 8-Way F GT 280 Series (BN)

Terminal Part Information

Pins: A, E, G, H
Terminal/Tray: 15304716/8
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: C, D
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Junction Block - Rear Lamps - C3

Pin	Wire Color	Circuit No.	Function
A	BN/WH	2609	Right Rear Park Lamps Supply Voltage
B	--	--	Not Used
C	BK	1750	Ground
D	BK	1750	Ground (906 w/NYS)
E	BK	1750	Ground (906 and NYS)
F	--	--	Not Used
G	BN	2509	Left Rear Park Lamps Supply Voltage
H	BK	1750	Ground

Junction Block - Rear Lamps - C4

Connector Part Information

OEM: 15317306
Service: 15306339
Description: 7-Way F GT 280 Series (BK)

Terminal Part Information

Pins: A-D, F, H
Terminal/Tray: 15304716/8
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: E
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Junction Block - Rear Lamps - C4

Pin	Wire Color	Circuit No.	Function
A	L-BU	1320	Stop Lamp Supply Voltage
B	BRN/WH	2609	Right Rear Park Lamps Supply Voltage
C	BK	1750	Ground
D	BK	1750	Ground
E	L-GN	24	Backup Lamp Supply Voltage
F	D-BU	2115	Right Turn Signal Lamps Supply Voltage
G	--	--	Not Used
H	BK	1750	Ground