Vehicle Communication Interface Module (VCIM) C2 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		917975-1 12-Way M MK11 Hybrid (WH)
Pin	Wire Color	Circuit Number	Function
1	BN/WH	367	Left Audio Signal
2	BK/WH	372	Audio Common
3-5	-	-	Not Used
6	PU	1807	Class 2 Serial Data
7	D-GN/WH	368	Right Audio Signal
8	BARE	814	Drain Wire
9	GY	655	Cellular Microphone Signal
10	BARE	654	Cellular Microphone Low Reference
11	-	-	Not Used
12	YE/BK	693	Cellular Telephone Mute Signal