Vehicle Communication Interface Module (VCIM) C3

Fig 1: Vehicle Communication Interface Module C3 Connector End Views

Courtesy of GENERAL MOTORS CORP.

Connector Part Information

Terminal Part Information

VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) C3 TERMINAL IDENTIFICATION

Pin	Wire Color	Circuit No.	Function
1	D-GN	5060	Low Speed GMLAN Serial Data
2	TN/BK	2500	High Speed GMLAN Serial Data Bus (+)
3	TN	2501	Low Speed GMLAN Serial Data Bus (-)
4-6	-	-	Not Used
7	D-GN	5060	Low Speed GMLAN Serial Data
8	TN/BK	2500	High Speed GMLAN Serial Data Bus (+)
9	TN	2501	Low Speed GMLAN Serial Data Bus (-)
10-12	-	-	Not Used