Cellular Communication Connector End Views

WARNING: This page is about a different car, the 2003 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

Cellular Microphone

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12047663 2-Way M Metri-Pack 150 Series (BLK)
Pin	Wire Color	Circuit No.	Function
A	BARE	514	Ground
B	GRY	655	Cellular Microphone Signal

OnStar® Button Assembly

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12047886 8-Way F Metri-Pack 150 Series (BLK)
Pin	Wire Color	Circuit No.	Function
A	LT GRN/BLK	2515	Keypad Supply Voltage
B	DK GRN/WHT	2514	Keypad Signal
C-D	-	-	Not Used
E	ORN/BLK	2518	Keypad Ground
F	YEL/BLK	2516	Keypad Green LED Signal
G	BRN/WHT	2517	Keypad Red LED Signal
H	-	-	Not Used

Vehicle Communication Interface Module (VCIM)-C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15383038 16-Way F 040II (WHT)
Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	BRN/WHT	2517	Keypad Red LED Signal
3	YEL/BLK	2516	Keypad Green LED Signal
4	-	-	Not Used
5	ORN/BLK	2518	Keypad Ground
6	LT GRN/BLK	2515	Keypad Supply Voltage
7	BLK/WHT	1851	Ground
8	BLK/WHT	1851	Ground
9-10	-	-	Not Used
11	DK GRN/WHT	2514	Keypad Signal
12-14	-	-	Not Used
15	ORN	3240	Battery Positive Voltage
16	ORN	3240	Battery Positive Voltage

Vehicle Communication Interface Module (VCIM)-C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15383039 12-Way F 040II (WHT)
Pin	Wire Color	Circuit No.	Function
1	PNK/BLK	2062	Cellular Telephone Voice Signal
2	ORN/BLK	2061	Cellular Telephone Low Reference
3-4	-	-	Not Used
5	YEL	1127	Nav Class 2 Serial Data
6-7	-	-	Not Used
8	BARE	1792	Drain Wire
9	GRY	655	Cellular Microphone Signal
10	BARE	514	Ground
11-12	-	-	Not Used