Transfer Case Shift Control Module Connector End Views

Transfer Case Shift Control Module C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15383128 16-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	BK	2050	Ground
2	RD	1553	Motor Control B
3	BK	1552	Motor Control A
4	L-BU	1296	Axle Actuator - Control
5-6	-	-	Not Used
7	D-GN/WH	1559	4-LO Switch - Signal
8	OG	1540	Battery Positive Voltage
9	BK	2050	Ground
10	L-GN/BK	1563	2-HI Indicator - Control
11	TN/BK	1566	4-HI Indicator - Control
12	PU/WH	1565	4-LO Indicator - Control
13	BN	1560	Neutral Indicator Control
14	L-BU	1693	5-Volt Reference
15-16	-	-	Not Used

Transfer Case Shift Control Module C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15383127 20-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1-5	-	-	Not Used
6	D-BU/WH	1557	Channel A Encoder - Signal
7-9	-	-	Not Used
10	PK	339	Ignition 1 Voltage
11	GY	2281	Neutral Switch Signal
12	BK/WH	1695	Axle Switch Signal
13	TN	1569	2WD/4WD Signal
14	RD/WH	1556	Channel C Encoder - Signal
15	YE/BK	1558	Channel B Encoder - Signal
16	PU	1807	Class 2 Serial Data
17	BN/WH	1555	Channel P Encoder - Signal
18	-	-	Not Used
19	PU	1807	Class 2 Serial Data
20	GY/BK	1694	Switch Signal - Low