Engine Electrical Connector End Views. Chevrolet Silverado Classic

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2007 🢒 Silverado Classic - 2WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Engine Electrical Connector End Views

Connector 1:	Auxiliary Battery Relay (TP2)
Connector 2:	Battery Cut Off Switch (HP2)
Connector 3:	Clutch Pedal Position (CPP) Switch
Connector 4:	Current Sensor (HP2)
Connector 5:	Energy Storage Box (ESB) Fan (HP2)
Connector 6:	Energy Storage Control Module (ESCM) - C1 (HP2)
Connector 7:	Energy Storage Control Module (ESCM) - C2 (HP2)
Connector 8:	Energy Storage Control Module (ESCM) - C3 (HP2)
Connector 9:	Generator - Gas (10 Series Except HP2)
Connector 10:	Generator - Gas (6.0L w/MT1)
Connector 11:	Generator (20/30 Series)
Connector 12:	Generator - Left (K65/8X5)
Connector 13:	Generator - Right - Diesel
Connector 14:	Generator Battery Control Module - (10 Series Except HP2)
Connector 15:	Hood Ajar Switch (HP2)
Connector 16:	Hybrid Control Module (HCM) (HP2)
Connector 17:	Starter/Generator Control Module SGCM - C1 (HP2)
Connector 18:	Starter/Generator Control Module SGCM - C2 (HP2)
Connector 19:	Starter/Generator Control Module SGCM - C3 (HP2)
Connector 20:	Starter/Generator Control Module SGCM - C4 (HP2)
Connector 21:	Starter/Generator Control Module SGCM - C5 (HP2)
Connector 22:	Temperature Sensor - Battery 1 (HP2)
Connector 23:	Temperature Sensor - Battery 2 (HP2)
Connector 24:	Temperature Sensor - Battery 3 (HP2)
Connector 25:	Voltage Sensor - 1 (HP2)
Connector 26:	Voltage Sensor - 2 (HP2)
Connector 27:	Voltage Sensor - 3 (HP2)
Connector 28:	Voltage Sensor - 4 (HP2)

Auxiliary Battery Relay (TP2)

Connector Part Information

OEM: 12052641
Service: 12102747
Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

Terminal/Tray: 12048074/2
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Auxiliary Battery Relay (TP2)

Pin	Wire Color	Circuit No.	Function
A	BN	241	Ignition 3 Voltage
B	BK	550	Ground

Battery Cut Off Switch (HP2)

Connector Part Information

OEM: 6189-1046
Service: See Catalog
Description: 5-Way F TS Series Sealed (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

Battery Cut Off Switch (HP2)

Pin	Wire Color	Circuit No.	Function
1	WH	1-BCO	Ground
2	WH	2-BCO	BCO Status
3	WH	3-BCO	BCO Control - A
4	WH	4-BCO	BCO Control - B
5	WH	5-BCO	Battery Positive Voltage

Clutch Pedal Position (CPP) Switch

Connector Part Information

OEM: 12064860
Service: 15306052
Description: 6-Way F Metri-Pack 150 Series Sealed (BK)

Terminal Part Information

Terminal/Tray: 12064971/5
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Clutch Pedal Position (CPP) Switch

Pin	Wire Color	Circuit No.	Function
A	PU	420	Cruise Control Release Signal
B	BN/WH	379	CPP Switch Signal
C	PK	639	Ignition 1 Voltage (GAS)
C	PK	639	Ground (Diesel M/T)
D	D-GN	1433	Clutch Start Switch Signal
E	BN	441	Ignition 3 Voltage
F	GY	48	CPP Switch Signal

Current Sensor (HP2)

Connector Part Information

OEM: 174966-2
Service: 88953314
Description: 4-Way F Multilock Series (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

Current Sensor (HP2)

Pin	Wire Color	Circuit No.	Function
1	WH	1-CS	Current Sensor Signal - A
2	WH	2-CS	Current Sensor Signal - B
3	WH	3-CS	Compensating Coil Voltage
4	WH	4-CS	Low Reference

Energy Storage Box (ESB) Fan (HP2)

Connector Part Information

OEM: 163120-0
Service: See Catalog
Description: 4-Way F (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

Energy Storage Box (ESB) Fan (HP2)

Pin	Wire Color	Circuit No.	Function
1	WH	1-FAN	Fan Speed Signal
2	WH	2-FAN	Low Reference
3	--	--	Not Used
4	WH	4-FAN	5-Volt Reference

Energy Storage Control Module (ESCM) - C1 (HP2)

Connector Part Information

OEM: 967224-C1
Service: See Catalog
Description: 30-Way F (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

Energy Storage Control Module (ESCM) - C1 (HP2)

Pin	Wire Color	Circuit No.	Function
1	WH	1-NTC-1	Temperature Sensor Signal - 1
2	WH	1-NTC-2	Temperature Sensor Signal - 2
3-7	--	--	Not Used
8	WH	2-BCO	BCO Control - A
9	WH	4-BCO	BCO Control - B
10	WH	2-BCO	BCO Status
11	WH	1-BCO	Ground
12	WH	2-CS	Current Sensor Signal - B
13	WH	3-CS	Compensating Coil Voltage
14	WH	5-BCO	Battery Positive Voltage
15	WH	2-FAN	Low Reference
16	--	--	Not Used
17	WH	2-NTC-2	Low Reference
18	WH	2-NTC-1	Low Reference
19	WH	2-NTC-3	Low Reference
20	WH	1-NTC-3	Temperature Sensor Signal - 3
21	WH	1-R2	Voltage Sensor Signal - 2
22	--	--	Not Used
23	WH	1-R1	Voltage Sensor Signal - 1
24	WH	1-R4	Voltage Sensor Signal - 4
25	WH	1-R3	Voltage Sensor Signal - 3
26	--	--	Not Used
27	WH	1-CS	Current Sensor Signal - A
28	WH	4-CS	Low Reference
29	WH	4-FAN	5-Volt Reference
30	WH	1-FAN	Fan Speed Signal

Energy Storage Control Module (ESCM) - C2 (HP2)

Connector Part Information

OEM: 967224-C2
Service: See Catalog
Description: 48-Way F (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

Energy Storage Control Module (ESCM) - C2 (HP2)

Pin	Wire Color	Circuit No.	Function
1-14	--	--	Not Used
15	WH	1-CAR	High Speed GMLAN Serial Data (+)
16-17	--	--	Not Used
18	WH	7-CAR	Ignition 1 Voltage
19-23	--	--	Not Used
24	WH	GND-CAR	Ground
25-38	--	--	Not Used
39	WH	2-CAR	High Speed GMLAN Serial Data (-)
40-41	--	--	Not Used
42	WH	8-CAR	Ignition 0 Voltage
43-47	--	--	Not Used
48	WH	3-CAR	Battery Positive Voltage

Energy Storage Control Module (ESCM) - C3 (HP2)

Connector Part Information

OEM: 967224-C2
Service: See Catalog
Description: 2-Way F (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

Energy Storage Control Module (ESCM) - C3 (HP2)

Pin	Wire Color	Circuit No.	Function
L-H	--	--	Not Used

Generator - Gas (10 Series Except HP2)

Connector Part Information

OEM: 12186308
Service: 89046837
Description: 2-Way F JPT Sealed (BK)

Terminal Part Information

Terminal/Tray: 4-964286-1/16
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12093647/J-35616-4A (PU)

Generator - Gas (10 Series Except HP2)

Pin	Wire Color	Circuit No.	Function
1	BN	25	Charge Indicator Control
2	GY	23	Generator Field Duty Cycle Signal

Generator - Gas (6.0L w/MT1)

Connector Part Information

OEM: 12186568
Service: See Catalog
Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Terminal Part Information

Terminal/Tray: 12048074/2
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Generator - Gas (6.0L w/MT1)

Pin	Wire Color	Circuit No.	Function
A	D-BU	5668	Engine On Signal (JC4)
A	--	--	Not Used
B	BN	25	Charge Indicator Control
C	GY	23	Generator Field Duty Cycle Signal
D	--	--	Not Used

Generator (20/30 Series)

Connector Part Information

OEM: 15355066
Service: 15306329
Description: 2-Way F Metri-Pack 150 Series Sealed (BG)

Terminal Part Information

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

Pins: B, C
Terminal/Tray: 12048074/2
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Generator (20/30 Series)

Pin	Wire Color	Circuit No.	Function
A	--	--	Unavailable
B	BN	25	Charge Indicator Control
C	GY	23	Generator Field Duty Cycle Signal
D	--	--	Unavailable

Generator - Left (K65/8X5)

Connector Part Information

OEM: 12186566
Service: 15306071
Description: 1-Way F Metri-Pack 150 Series Sealed (NA)

Terminal Part Information

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

Pins: B
Terminal/Tray: 12048074/2
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Generator - Left (K65/8X5)

Pin	Wire Color	Circuit No.	Function
A	--	--	Unavailable
B	BN	2524	Generator 2 Turn On Signal
C-D	--	--	Unavailable

Generator - Right - Diesel

Connector Part Information

OEM: 15355066
Service: 15306329
Description: 2-Way F Metri-Pack 150 Series Sealed (BG)

Terminal Part Information

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

Pins: B, C
Terminal/Tray: 12048074/2
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Generator - Right - Diesel

Pin	Wire Color	Circuit No.	Function
A	--	--	Unavailable
B	BN	25	Charge Indicator Control
C	GY	23	Generator Field Duty Cycle Signal
D	--	--	Unavailable

Generator Battery Control Module - (10 Series Except HP2)

Connector Part Information

OEM: 15326842
Service: 15326843
Description: 10-Way F GT 150 Series Sealed (BK)

Terminal Part Information

Terminal/Tray: 12191819/8
Core/Insulation Crimp: Pins A, C, G, H, K - E/A
Core/Insulation Crimp: Pins B, D, F - 2/A
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Generator Battery Control Module - (10 Series Except HP2)

Pin	Wire Color	Circuit No.	Function
A	RD/WH	4740	Battery Positive Voltage
B	GY	23	Generator Field Duty Cycle Signal
C	RD/WH	4740	Battery Positive Voltage
D	BN	25	Charge Indicator Control
E	--	--	Not Used
F	BK/WH	451	Ground
G	D-BU	5668	Engine On Signal (JC4)
H	BK/WH	451	Ground
J	--	--	Not Used
K	OG/BK	6752	Class 2 Serial Data

Hood Ajar Switch (HP2)

Connector Part Information

OEM: 15326801
Service: 15306156
Description: 2-Way F GT 150 Series (BK)

Terminal Part Information

Terminal/Tray: 12191819/8
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Hood Ajar Switch (HP2)

Pin	Wire Color	Circuit No.	Function
A	PK/BK	109	Hood Ajar Switch Signal
B	OG/BK	1057	Low Reference

Hybrid Control Module (HCM) (HP2)

Connector Part Information

OEM: 15430224
Service: See Catalog
Description: 56-Way F Micro-Pack 64 Series Sealed (BU)

Terminal Part Information

Terminal/Tray: 15359541/4
Core/Insulation Crimp: M/M
Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)

Hybrid Control Module (HCM) (HP2)

Pin	Wire Color	Circuit No.	Function
1	OG	1940	Battery Positive Voltage
2	PK	1020	Ignition 0 Voltage
3-7	--	--	Not Used
8	PK/BK	109	Hood Ajar Switch Signal
9	PU	5681	APO Switch Signal
10-11	--	--	Not Used
12	PK	1939	Ignition 1 Voltage
13-27	--	--	Not Used
28	PU/WH	5687	Class 2 Serial Data
29	BK/WH	451	Ground
30-33	--	--	Not Used
34	OG/BK	1057	Low Reference
35-39	--	--	Not Used
40	TN/WH	2500	High Speed GMLAN Serial Data (+)
41	TN	2501	High Speed GMLAN Serial Data (-)
42	--	--	Not Used
43	BK/WH	451	Ground
44	--	--	Not Used
45	YE	5680	APO Switch Indicator Control
46-47	--	--	Not Used
48	PK/WH	5537	Transmission Pump Relay Control
49	PU/WH	5539	Power Maintain Relay Coil Control
50	--	--	Not Used
51	WH	5542	Auxiliary Heater Pump Relay Control
52	BN/WH	5682	Low Reference
53	--	--	Not Used
54	TN/WH	2500	High Speed GMLAN Serial Data (+)
55	TN	2501	High Speed GMLAN Serial Data (-)
56	--	--	Not Used

Starter/Generator Control Module SGCM - C1 (HP2)

Connector Part Information

OEM: 15416791
Service: See Catalog
Description: 2-Way F Series Sealed (BK)

Terminal Part Information

Terminal/Tray: --
Core/Insulation Crimp: --
Release Tool/Test Probe: --

Starter/Generator Control Module SGCM - C1 (HP2)

Pin	Wire Color	Circuit No.	Function
A-B	--	--	Not Used

Starter/Generator Control Module SGCM - C2 (HP2)

Connector Part Information

OEM: 15416792
Service: See Catalog
Description: 2-Way F Series Sealed (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

Starter/Generator Control Module SGCM - C2 (HP2)

Pin	Wire Color	Circuit No.	Function
A	BK	50	Ground
B	RD	102	Battery Positive Voltage

Starter/Generator Control Module SGCM - C3 (HP2)

Connector Part Information

OEM: 15416789
Service: See Catalog
Description: 2-Way F Series Sealed (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

Starter/Generator Control Module SGCM - C3 (HP2)

Pin	Wire Color	Circuit No.	Function
A	RD	5084	High Voltage Battery (+)
B	BK	5691	High Voltage Battery (-)

Starter/Generator Control Module SGCM - C4 (HP2)

Connector Part Information

OEM: 12129225
Service: See Catalog
Description: 24-Way F Micro-Pack 100 Series Sealed (WH)

Terminal Part Information

Terminal/Tray: 12084913/5
Core/Insulation Crimp: W/W
Release Tool/Test Probe: 12122523/J-35616-6 (BN)

Pins: 12
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Starter/Generator Control Module SGCM - C4 (HP2)

Pin	Wire Color	Circuit No.	Function
1	TN/WH	2500	High Speed GMLAN Serial Data (+)
2	TN/WH	2500	High Speed GMLAN Serial Data (+)
3-6	--	--	Not Used
7	YE/BK	625	Starter Enable Relay Control
8	PK	1020	Ignition 0 Voltage
9	L-BU/BK	647	Medium Resolution Engine Speed Signal
10-11	--	--	Not Used
12	WH	2368	Cooling Fan Clutch Supply Voltage
13	TN	2501	High Speed GMLAN Serial Data (-)
14	TN	2501	High Speed GMLAN Serial Data (-)
15-20	--	--	Not Used
21	WH	121	Engine Speed Signal
22-23	--	--	Not Used
24	PK	2014	Coolant Pump Relay Control

Starter/Generator Control Module SGCM - C5 (HP2)

Connector Part Information

OEM: 15416860
Service: See Catalog
Description: 7-Way F GT 280/150 Series Sealed (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

Starter/Generator Control Module SGCM - C5 (HP2)

Pin	Wire Color	Circuit No.	Function
A	--	--	Not Used
B	WH	5685	APO Neutral
C	OG	5595	High Voltage Interlock Loop Signal - 2
D	BK	50	Ground
E	PU	5087	High Voltage Interlock Loop Signal - 1
F	D-GN	5686	Ground
G	BK	5683	APO Phase A