OnStar C2

WARNING: This page is about a different car, the 2007 Pontiac Torrent and 2007 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: OnStar C2 Connector End View

Courtesy of GENERAL MOTORS CORP.

OnStar C2 Connector Parts Information

Connector Part Information

OEM: 917975-1
Service: 88952886
Description: 12-Way F .040/.070 Hybrid (WH)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

OnStar C2 Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	OG/BK	1406	Remote Playback Device Left Audio Signal
2	L-BU	1405	Remote Playback Device Audio Common Signal
3	TN/BK	2500	High Speed GMLAN Serial Data Bus+
4	TN	2501	High Speed GMLAN Serial Data Bus-
8	BARE	814	Drain Wire
9	GY	655	Cellular Microphone Signal
10	BARE	1489	Drain Wire