Body Control Module (BCM) Connector End View C1

Body Control Module (BCM) C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110088 24-Way F Micro-Pack 100 Series (LT GRY)
Pin	Wire Color	Circuit No.	Function
A1	-	-	Not Used
A2	WHT	2282	Headlamp Washer Relay Control (w/CE4)
A3	ORN	1140	Battery Positive Voltage
A4	BLK/WHT	1969	Headlamp High Beam Relay Control
A5	PNK/WHT	1970	Headlamp Low Beam Relay Control
A6-A11	-	-	Not Used
A12	WHT	278	Ambient Light Sensor Signal
B1	LT GRN	1037	BCM Class 2 Serial Data
B2	BLK	279	Ambient Light Sensor Low Reference
B3	LT GRN	2270	Rear Window Washer Relay Control
B4	GRY/BLK	2226	Low Reference
B5	GRY	705	5 Volt Reference
B6	WHT	2283	Rear Wiper/Washer Switch Supply Voltage
B7	ORN/BLK	2090	Courtesy Lamps Supply Voltage
B8	LT GRN	1011	Remote Radio Control Signal
B9	GRY	391	Rear Window Wiper Switch Signal
B10	YEL	1836	Security System Sensor Signal
B11	GRY	2521	Right Sunload Sensor Signal
B12	LT BLU/BLK	2519	Left Sunload Sensor Signal