Cellular Communication Connector End Views

WARNING: This page is about a different car, the 2005 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		12047662 2-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	BARE	514	Drain Wire
B	GY	655	Cellular 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 Ground
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 040II (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/BK	2518	Keypad Ground
6	L-GN/BK	2515	Keypad Supply Voltage
7	BK/WH	1851	Ground
8	BK/WH	1851	Ground
9-10	-	-	Not Used
11	D-GN/WH	2514	Keypad Signal
12-14	-	-	Not Used
15	OG	3240	Battery Positive Voltage
16	OG	3240	Battery Positive Voltage

Vehicle Communication Interface Module (VCIM) - C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15383039 12-Way F 040II (WH)
Pin	Wire Color	Circuit No.	Function
1	PK/BK	2062	Navigation Mono Audio Signal (+)
2	OG/BK	2061	Navigation Mono Audio Signal (-)
3-4	-	-	Not Used
5	YE	1127	Class 2 Serial Data
6-7	-	-	Not Used
8	BARE	1792	Drain Wire
9	GY	655	Cellular Microphone Signal
10	BARE	514	Drain Wire
11-12	-	-	Not Used