HVAC Connector End Views. Chevrolet TrailBlazer

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2007 🢒 TrailBlazer - 4WD 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 HVAC Connector End Views

Connector 1:	A/C Compressor Clutch Assembly
Connector 2:	A/C Low Pressure Switch
Connector 3:	A/C Refrigerant Pressure Sensor
Connector 4:	Air Temperature Actuator - Left
Connector 5:	Air Temperature Actuator - Right
Connector 6:	Air Temperature Sensor Assembly - Inside
Connector 7:	Air Temperature Sensor - Lower Left
Connector 8:	Air Temperature Sensor - Lower Right
Connector 9:	Air Temperature Sensor - Upper Left
Connector 10:	Air Temperature Sensor - Upper Right
Connector 11:	Ambient Air Temperature Sensor
Connector 12:	Ambient Light/Sunload Sensor Assembly
Connector 13:	Blower Motor
Connector 14:	Blower Motor Control Module
Connector 15:	Console Mode Actuator - Auxiliary
Connector 16:	Defrost Actuator
Connector 17:	HVAC Control Module C1
Connector 18:	HVAC Control Module C2
Connector 19:	HVAC Control Module - Auxiliary
Connector 20:	Mode Actuator
Connector 21:	Rear Blower Motor
Connector 22:	Rear Blower Resistor
Connector 23:	Recirculation Actuator

A/C Compressor Clutch Assembly

Connector Part Information

OEM: 12110293
Service: 12117025
Description: 3-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)

A/C Compressor Clutch Assembly

Pin	Wire Color	Circuit No.	Function
A	BK	350	Ground
B	D-GN	59	A/C Compressor Clutch Supply Voltage
C	L-GN	2278	A/C Compressor Status Signal

A/C Low Pressure Switch

Connector Part Information

OEM: 12052644
Service: See Catalog
Description: 2-Way F Metri-Pack 150 Series Sealed (L-GY)

Terminal Part Information

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

A/C Low Pressure Switch

Pin	Wire Color	Circuit No.	Function
A	D-BU	204	A/C Low Pressure Sensor Signal
B	BK	250	Ground

A/C Refrigerant Pressure Sensor

Connector Part Information

OEM: 15477863
Service: 88988144
Description: 3-Way F GT 150 Series Sealed (BK)

Terminal Part Information

Terminal/Tray: 15326267/19
Core/Insulation Crimp: E/4
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

A/C Refrigerant Pressure Sensor

Pin	Wire Color	Circuit No.	Function
1	BK	2751	Low Reference
2	GY	2700	5-Volt Reference
3	RD/BK	380	A/C Refrigerant Pressure Sensor Signal

Air Temperature Actuator - Left

Connector Part Information

OEM: 12040953
Service: 12102632
Description: 6-Way F Micro-Pack 100 Series Unsealed (BK)

Terminal Part Information

Pins: 5-7, 9-10
Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Air Temperature Actuator - Left

Pin	Wire Color	Circuit No.	Function
5	BN	341	Ignition 3 Voltage
6	D-BU	1199	Left Air Temperature Door Control
7	YE	1791	Low Reference
8	--	--	Not Used
9	L-BU	733	Left Air Temperature Door Position Signal
10	L-BU/BK	1688	5-Volt Reference

Air Temperature Actuator - Right

Connector Part Information

OEM: 12040953
Service: 12102632
Description: 6-Way F Micro-Pack 100 Series Unsealed (BK)

Terminal Part Information

Pins: 5-7, 9-10
Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Air Temperature Actuator - Right

Pin	Wire Color	Circuit No.	Function
5	BN	341	Ignition 3 Voltage
6	WH/BK	1236	Right Air Temperature Door Control
7	YE	1791	Low Reference
8	--	--	Not Used
9	D-BU	1646	Right Air Temperature Door Position Signal
10	L-BU/BK	1688	5-Volt Reference

Air Temperature Sensor Assembly - Inside

Connector Part Information

OEM: 12047786
Service: 12085536
Description: 4-Way M Metri-Pack 150 Series Unsealed (BK)

Terminal Part Information

Terminal/Tray: 12047581/2
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12094429/J-35616-3 (GY)

Air Temperature Sensor Assembly - Inside

Pin	Wire Color	Circuit No.	Function
A	D-GN	734	Inside Air Temperature Sensor Signal
B	WH/BK	1236	Inside Air Temperature Sensor Assembly Control
C	BK	1350	Ground
D	BN	718	Low Reference

Air Temperature Sensor - Lower Left

Connector Part Information

OEM: 12047662
Service: 12085535
Description: 2-Way F Metri-Pack 150 Series Unsealed (BK)

Terminal Part Information

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

Air Temperature Sensor - Lower Left

Pin	Wire Color	Circuit No.	Function
A	BN	718	Low Reference
B	WH/BK	2339	Lower Left Air Temperature Sensor Signal

Air Temperature Sensor - Lower Right

Connector Part Information

OEM: 12047662
Service: 12085535
Description: 2-Way F Metri-Pack 150 Series Unsealed (BK)

Terminal Part Information

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

Air Temperature Sensor - Lower Right

Pin	Wire Color	Circuit No.	Function
A	BN	718	Low Reference
B	GY/BK	2337	Lower Right Air Temperature Sensor Signal

Air Temperature Sensor - Upper Left

Connector Part Information

OEM: 12047662
Service: 12085535
Description: 2-Way F Metri-Pack 150 Series Unsealed (BK)

Terminal Part Information

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

Air Temperature Sensor - Upper Left

Pin	Wire Color	Circuit No.	Function
A	BN	718	Low Reference
B	WH	2338	Upper Left Air Temperature Sensor Signal

Air Temperature Sensor - Upper Right

Connector Part Information

OEM: 12047662
Service: 12085535
Description: 2-Way F Metri-Pack 150 Series Unsealed (BK)

Terminal Part Information

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

Air Temperature Sensor - Upper Right

Pin	Wire Color	Circuit No.	Function
A	BN	718	Low Reference
B	GY	2336	Upper Right Air Temperature Sensor Signal

Ambient Air Temperature Sensor

Connector Part Information

OEM: 12052642
Service: 12101856
Description: 2-Way F Metri-Pack 150 Series Sealed (L-GN)

Terminal Part Information

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

Ambient Air Temperature Sensor

Pin	Wire Color	Circuit No.	Function
A	L-GN/BK	735	Ambient Air Temperature Sensor Signal
B	BN	718	Low Reference

Ambient Light/Sunload Sensor Assembly

Connector Part Information

OEM: 12064760
Service: 12085208
Description: 4-Way F Metri-Pack 150 Series Unsealed (BK)

Terminal Part Information

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

Ambient Light/Sunload Sensor Assembly

Pin	Wire Color	Circuit No.	Function
A	L-BU/BK	2519	Left Sunload Sensor Signal
B	GY	2521	Right Sunload Sensor Signal
C	BK	279	Ambient Light Sensor Low Reference
D	WH	278	Ambient Light Sensor Signal

Blower Motor

Connector Part Information

OEM: 12066681
Service: 12126446
Description: 2-Way F Metri-Pack 630 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

Blower Motor

Pin	Wire Color	Circuit No.	Function
A	PU	65	Blower Motor Supply Voltage
B	BK	850	Ground

Blower Motor Control Module

Connector Part Information

OEM: 12129489
Service: 12126486
Description: 3-Way F Metri-Pack 280 Series Unsealed (BK)

Terminal Part Information

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

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

Blower Motor Control Module

Pin	Wire Color	Circuit No.	Function
A	RD	542	Battery Positive Voltage
B	PU/WH	760	Blower Motor Speed Control
C	BK	2250	Ground

Console Mode Actuator - Auxiliary

Connector Part Information

OEM: 12064982
Service: 12102633
Description: 5-Way F Micro-Pack 100 Series Unsealed (BK)

Terminal Part Information

Pins: 1-3
Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Console Mode Actuator - Auxiliary

Pin	Wire Color	Circuit No.	Function
1	BN	341	Ignition 3 Voltage
2	WH	119	Auxiliary Mode Door Control
3	BK	2250	Ground
4-5	--	--	Not Used

Defrost Actuator

Connector Part Information

OEM: 12040953
Service: 12102632
Description: 6-Way F Micro-Pack 100 Series Unsealed (BK)

Terminal Part Information

Pins: 5-7, 9-10
Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Defrost Actuator

Pin	Wire Color	Circuit No.	Function
5	BN	341	Ignition 3 Voltage
6	TN/BK	2274	Defrost Door Control
7	YE	1791	Low Reference
8	--	--	Not Used
9	L-GN/BK	2276	Defrost Door Position Signal
10	L-BU/BK	1688	5-Volt Reference

HVAC Control Module C1

Connector Part Information

OEM: 12110206
Service: 12110206
Description: 24-Way F Micro-Pack 100 Series Unsealed (L-BU)

Terminal Part Information

Pins: A1-A5, A7-A8, A12, B1-B9, B11-B12
Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

HVAC Control Module C1

Pin	Wire Color	Circuit No.	Function
A1	D-GN	1614	Recirculation Door Control
A2	D-BU	1646	Right Air Temperature Door Position Signal
A3	L-BU	733	Left Air Temperature Door Position Signal
A4	L-GN/BK	2276	Defrost Door Position Signal
A5	L-GN	2275	Mode Door Position Signal
A6	--	--	Not Used
A7	BN/WH	230	Instrument Panel Lamps Dimming Control
A8	BK/WH	751	Ground
A9-A11	--	--	Not Used
A12	D-BU	204	A/C Low Pressure Sensor Signal
B1	WH/BK	1236	Right Air Temperature Door Control
B2	D-BU	1199	Left Air Temperature Door Control
B3	TN/BK	2274	Defrost Door Control
B4	TN	2273	Mode Door Control
B5	BN	341	Ignition 3 Voltage
B6	YE	1791	Low Reference
B7	OG	4340	Battery Positive Voltage
B8	L-BU/BK	1688	5-Volt Reference
B9	BK	2250	Ground
B10	--	--	Not Used
B11	WH	1038	Class 2 Serial Data
B12	L-GN	2278	A/C Compressor Status Signal

HVAC Control Module C2

Connector Part Information

OEM: 15336594
Service: 15336594
Description: 12-Way F Micro-Pack 100 Series Unsealed (GY)

Terminal Part Information

Pins: A-G, K-M
Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

HVAC Control Module C2

Pin	Wire Color	Circuit No.	Function
A	D-GN	734	Inside Air Temperature Sensor Signal
B	L-GN/BK	735	Ambient Air Temperature Sensor Signal
C	WH	2338	Upper Left Air Temperature Sensor Signal
D	GY	2336	Upper Right Air Temperature Sensor Signal
E	WH/BK	2339	Lower Left Air Temperature Sensor Signal
F	GY/BK	2337	Lower Right Air Temperature Sensor Signal
G	PU	1838	Recirculation Door Position Signal
H-J	--	--	Not Used
K	BN	718	Low Reference
L	WH/BK	1236	Inside Air Temperature Sensor Assembly Control
M	PU/WH	760	Blower Motor Speed Control

HVAC Control Module - Auxiliary

Connector Part Information

OEM: 12084944
Service: 12084944
Description: 16-Way F Micro-Pack 100 Series Unsealed (BK)

Terminal Part Information

Pins: A1-A2, A4-A8, B1-B8
Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

HVAC Control Module - Auxiliary

Pin	Wire Color	Circuit No.	Function
A1	OG	4340	Battery Positive Voltage
A2	GY	2289	Rear HVAC/Audio Class 2 Serial Data
A3	--	--	Not Used
A4	BK	2250	Ground
A5	BN/WH	230	Instrument Panel Lamps Dimming Control
A6	WH	119	Auxiliary Mode Door Control
A7	D-GN	2347	Auxiliary Blower Motor High Speed Control
A8	D-BU	2348	Auxiliary Blower Motor Medium Speed Control
B1	BN	199	Left Rear Speaker Output (+) (w/o UQA)
B1	BN	199	Left Rear Low Level Audio Signal (+) (w/UQA)
B2	D-BU	46	Right Rear Speaker Output (+) (w/o UQA)
B2	D-BU	46	Right Rear Low Level Audio Signal (+) (w/UQA)
B3	BN	599	Left Rear Low Level Audio Signal (+)
B4	D-BU	546	Right Rear Low Level Audio Signal (+)
B5	YE	116	Left Rear Speaker Output (-) (w/o UQA)
B5	YE	116	Rear Low Level Audio Signal (-) (w/UQA)
B6	L-BU	115	Right Rear Speaker Output (-) (w/o UQA)
B6	L-BU	115	Right Rear Low Level Audio Signal (-) (w/UQA)
B7	D-GN/WH	1547	Left Rear Low Level Audio Signal (-)
B8	BK	1946	Right Rear Low Level Audio Signal (-)

Mode Actuator

Connector Part Information

OEM: 12040953
Service: 12102632
Description: 6-Way F Micro-Pack 100 Series Unsealed(BK)

Terminal Part Information

Pins: 5-7, 9-10
Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Mode Actuator

Pin	Wire Color	Circuit No.	Function
5	BN	341	Ignition 3 Voltage
6	TN	2273	Mode Door Control
7	YE	1791	Low Reference
8	--	--	Not Used
9	L-GN	2275	Mode Door Position Signal
10	L-BU/BK	1688	5-Volt Reference

Rear Blower Motor

Connector Part Information

OEM: KET MG 610043
Service: Service by Harness - See Part Catalog
Description: 2-Way F 250 Series (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

Rear Blower Motor

Pin	Wire Color	Circuit No.	Function
1	BK	--	Ground
2	RD	--	Auxiliary Blower Motor High Speed Control
2	RD	--	Auxiliary Blower Motor High Speed Control

Rear Blower Resistor

Connector Part Information

OEM: KET MG 610392
Service: Service by Harness - See Part Catalog
Description: 2-Way F SDL Series (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

Rear Blower Resistor

Pin	Wire Color	Circuit No.	Function
1	RD	--	Auxiliary Blower Motor High Speed Control
2	L-BU	--	Auxiliary Blower Motor Medium Speed Control

Recirculation Actuator

Connector Part Information

OEM: 12040953
Service: 12102632
Description: 6-Way F Micro-Pack 100 Series Unsealed (BK)

Terminal Part Information

Pins: 5-7, 9-10
Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Recirculation Actuator

Pin	Wire Color	Circuit No.	Function
5	BN	341	Ignition 3 Voltage
6	D-GN	1614	Recirculation Door Control
7	YE	1791	Low Reference
8	--	--	Not Used
9	PU	1838	Recirculation Door Position Signal
10	L-BU/BK	1688	5-Volt Reference