Transfer Case Control Connector End Views

WARNING: This page is about a different variant/trim than selected.

Front Axle Actuator

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15324541 4-Way F Metri-Pack 150 Series Sealed (BU)
Pin	Wire Color	Circuit No.	Function
A	BK/WH	1695	Axle Switch Signal
B	L-BU	1296	Axle Actuator - Control
C	BN	241	Ignition 3 Voltage
D	-	-	Unavailable
E	BK	2150	Ground

Transfer Case Shift Control Module - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12084944 16-Way F Micro-Pack 100 Series (BK)
Pin	Wire Color	Circuit No.	Function
A1	D-GN/WH	1133	Class 2 Serial Data
A2	L-BU	1296	4WD Relay Coil Supply Voltage
A3	-	-	Not Used
A4	PU/WH	1565	4 LO Indicator - Control
A5	TN/BK	1566	4 HI Indicator - Control
A6	L-BU	1693	Switch Signal
A7	BK/WH	1554	Low Reference
A8	BK/WH	1851	Ground
B1-B2	-	-	Not Used
B3	L-GN/BK	1563	2 HI Indicator - Control
B4	BN	1560	Neutral Indicator Control
B5	GY/BK	1694	4WD Low Signal
B6	BN/WH	1555	Encoder Signal
B7-B8	-	-	Not Used

Transfer Case Shift Control Module - C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12084945 16-Way F Metri-Pack 100 Series (GY)
Pin	Wire Color	Circuit No.	Function
A1-A7	-	-	Not Used
A8	L-GN/BK	431	5-Volt Reference
B1-B5	-	-	Not Used
B6	BK/WH	1695	4WD Engaged Signal
B7	-	-	Not Used
B8	GY	596	5-Volt Reference

Transfer Case Shift Control Module - C3

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12052856 4-Way F Metri-Pack 280 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	BK	2150	Ground
B	OG	1640	Battery Positive Voltage
C	BK	1552	Motor Control A
D	RD	1553	Motor Control B

Transfer Case Shift Control Switch - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12186758 8-Way F Metri-Pack 150 Series (GY)
Pin	Wire Color	Circuit No.	Function
A	BK	1050	Ground
B	-	-	Not Used
C	BN	1560	Neutral Indicator Control
D	-	-	Not Used
E	PU/WH	1382	LED Dimming Supply
F	BN/WH	230	Instrument Panel Lamps Dimming Control
G	BN	241	Ignition 3 Voltage
H	GY	596	5-Volt Reference

Transfer Case Shift Control Switch - C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12064860 6-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A-B	-	-	Not Used
C	TN/BK	1566	4 HI Indicator - Control
D	PU/WH	1565	4 LO Indicator - Control
E	L-GN/BK	1563	2 HI Indicator - Control
F	L-BU	1693	Switch Signal

Transfer Case Encoder Motor

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15326642 5-Way F GT 280 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	L-GN/BK	431	5-Volt Reference
B	BN/WH	1555	Encoder Signal
C	BK/WH	1554	Low Reference
D	BK	1552	Motor Control A
E	RD	1553	Motor Control B