Cellular Communication Connectors

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Vehicle Communication Interface Module (VCIM) C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15383038 16-Way F Multilock (WHT)
Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	BRN/WHT	2517	Keypad Red LED Signal
3	YEL/BLK	2516	Keypad Green LED Signal
4-5	-	-	Not Used
6	LT GRN/BLK	2515	Keypad Supply Voltage
7	BLK/WHT	1851	Ground
8	BLK/WHT	1851	Ground
9-10	-	-	Not Used
11	DK GRN/WHT	2514	Keypad Signal
12-14	-	-	Not Used
15	ORN	3240	Battery Positive Voltage
16	ORN	3240	Battery Positive Voltage

Vehicle Communication Interface Module (VCIM) C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15383039 12-Way F Multilock (WHT)
Pin	Wire Color	Circuit No.	Function
1	PNK/BLK	2062	Cellular Telephone Voice Signal
2	ORN/BLK	2061	Cellular Telephone Voice Low Reference
3-4	-	-	Not Used
5	YEL	1127	Trip Computer/Nav Class 2 Serial Data
6-7	-	-	Not Used
8	BARE	1792	Drain Wire
9	GRY	655	Cellular Microphone Signal
10	BARE	514	Drain Wire
11-12	-	-	Not Used

Cellular Telephone Microphone

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12047662 2-Way F Metri-Pack 150 Series (BLK)
Pin	Wire Color	Circuit No.	Function
A	BARE	514	Drain Wire
B	GRY	655	Cellular Microphone Signal