Body Control Module (BCM) C1

WARNING: This page is about a different car, the 2007 Isuzu Ascender, 2007 GMC Envoy, 2007 Chevrolet TrailBlazer, and 2007 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Body Control Module (BCM) C1 Connector End View

Courtesy of GENERAL MOTORS CORP.

Body Control Module (BCM) C1 Connector Parts Information

Connector Part Information

OEM: 12110088
Service: 15306210
Description: 24-Way F Micro-Pack 100 Series (GY)

Terminal Part Information

Pins: A2-A6, A12, B1-B12
Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Body Control Module (BCM) C1 Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
A1	-	-	Not Used
A2	WH	2282	Headlamp Washer Relay Control (CE4)
A3	OG	1140	Battery Positive Voltage
A4	BK/WH	1969	Headlamp High Beam Relay Control
A5	PK/WH	1970	Headlamp Low Beam Relay Control
A6	PK	5363	Inclination Sensor Low Reference (BAE)
A7-A11	-	-	Not Used
A12	WH	278	Ambient Light Sensor Signal
B1	L-GN	1037	Class 2 Serial Data
B2	BK	279	Ambient Light Sensor Low Reference
B3	L-GN	2270	Rear Window Washer Relay Control
B4	GY/BK	2226	Instrument Panel Lamps Dimmer Switch Low Reference
B5	GY	705	5-Volt Reference
B6	WH	2283	12-Volt Reference
B7	OG/BK	2090	Courtesy Lamps Supply Voltage
B8	L-GN	1011	Remote Radio Control Signal (STW)
B9	GY	391	Rear Window Wiper Switch Signal
B10	YE	1836	Security System Sensor Signal (w/o BAE)
B11	GY	2521	Right Sunload Sensor Signal (CJ2)
B12	L-BU/BK	2519	Left Sunload Sensor Signal (CJ2)