Cellular Communication Connectors

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. 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 Multi-lock (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 Multi-lock (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 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