Cellular Communication Connector End Views

WARNING: This page is about a different car, the 2005 Pontiac Aztek and 2005 Buick Rendezvous. 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 (BK)
Pin	Wire Color	Circuit No.	Function
A	BARE	1705	Drain Wire
B	GY	655	Cellular Telephone Microphone Signal

OnStar® Button Assembly

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12047886 8-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	L-GN/BK	2515	Keypad Supply Voltage
B	D-GN/WH	2514	Keypad Signal
C-D	-	-	Not Used
E	OG/BK	2518	Keypad Low Reference
F	YE/BK	2516	Keypad Green LED Signal
G	BN/WH	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 Multi-lock (WH)
Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	BN/WH	2517	Keypad Red LED Signal
3	YE/BK	2516	Keypad Green LED Signal
4	-	-	Not Used
5	OG	2518	Keypad Ground
6	L-GN/BK	2515	Keypad Supply Voltage
7	BK/WH	1851	Ground
8-10	-	-	Not Used
11	D-GN/WH	2514	Keypad Signal
12-14	-	-	Not Used
15	OG	3240	Battery Positive Voltage
16	-	-	Not Used

Vehicle Communication Interface Module (VCIM) - C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15383039 12-Way F Multi-lock (WH)
Pin	Wire Color	Circuit No.	Function
1	BN/WH	9367	Remote Radio Left Audio Signal
2	BK/WH	9372	Remote Radio Audio Output (-)
3-5	-	-	Not Used
6	GY	2289	Class 2 Serial Data
7	-	-	Not Used
8	BARE	814	Drain Wire
9	GY	655	Cellular Microphone Signal
10	BARE	1705	Drain Wire
11-12	-	-	Not Used