Cellular Communication Connectors

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. 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	GY	655	Cellular Microphone Low Reference (Except XUV)
A	D-GN	654	Cellular Microphone Low Reference (XUV)
B	D-GN	654	Cellular Microphone Signal (Except XUV)
B	GY	655	Cellular Microphone Signal (XUV)

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
4-5	-	-	Not Used
6	L-GN/BK	2515	Keypad Supply Voltage
7	BK	1450	Ground
8	BK	1450	Ground
9-10	-	-	Not Used
11	D-GN/WH	2514	Keypad Signal
12-14	-	-	Not Used
15	OG	3140	Battery Positive Voltage
16	OG	3140	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	Remote Radio Left Audio Signal
2	OG/BK	2061	Remote Radio Audio Output (-)
3-5	-	-	Not Used
6	L-GN/BK	1098	Radio Class 2 Serial Data
7	-	-	Not Used
8	BARE	1705	Drain Wire
9	D-GN	654	Cellular Microphone Signal (Except XUV)
9	GY	655	Cellular Microphone Signal (XUV)
10	GY	655	Cellular Microphone Low Reference (Except XUV)
10	D-GN	654	Cellular Microphone Low Reference (XUV)
11-12	-	-	Not Used