Transfer Case Control Connectors

WARNING: This page is about a different car, 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.

Front Axle Actuator

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15324541 4-Way F Metri-Pack 150 Series Sealed (BLU)
Pin	Wire Color	Circuit No.	Function
A	BLK/WHT	1695	Axle Switch Signal
B	LT BLU	1296	Axle Actuator - Control
C	BRN	241	Ignition 3 Voltage
D	-	-	Not Used
E	BLK	2150	Ground

Propshaft Speed Sensor - Front

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15336024 2-Way F GT150 Sealed (BLK)
Pin	Wire Color	Circuit No.	Function
1	YEL	400	Signal High - Front
2	PPL	401	Signal Low - Front

Propshaft Speed Sensor - Rear

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15336024 2-Way F GT150 Sealed (BLK)
Pin	Wire Color	Circuit No.	Function
A	LT BLU	2221	Signal High - Rear
B	DK GRN	2222	Signal Low - Rear

Transfer Case Shift Control Module - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12084944 16-Way F Micro-Pack 100 Series (BLK)
Pin	Wire Color	Circuit No.	Function
A1	DK GRN/ WHT	1133	ATC Class 2 Serial Data
A2	LT BLU	1296	AXLE Actuator - Control
A3	PNK	1561	AWD Indicator Control
A4	PPL/WHT	1565	4 LO Indicator Control
A5	TAN/BLK	1566	4 HI Indicator Control
A6	LT BLU	1693	Switch Signal
A7	BLK/WHT	1554	Encoder Low Reference
A8	BLK/WHT	1851	Ground
B1	-	-	Not Used
B2	TAN	1569	Lock Solenoid Control
B3	LT GRN/ BLK	1563	2 HI Indicator Control
B4	BRN	1560	Neutral Indicator Control
B5	GRY/BLK	1694	4WD Low Signal
B6	BRN/WHT	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 Micro-Pack 100 Series (GRY)
Pin	Wire Color	Circuit No.	Function
A1	PPL	401	Signal Low - Front
A2	YEL	400	Signal High - Front
A3-A7	-	-	Not Used
A8	LT GRN/ BLK	431	8-Volt Reference
B1	LT BLU	2221	Signal High - Rear
B2	DK GRN	2222	Signal Low - Rear
B3-B5	-	-	Not Used
B6	BLK/WHT	1695	Axle Switch Signal
B7	-	-	Not Used
B8	GRY	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 (BLK)
Pin	Wire Color	Circuit No.	Function
A	BLK	2150	Ground
B	ORN	1640	Battery Positive Voltage
C	BLK	1552	Motor Control A
D	RED	1553	Motor Control B

Transfer Case Shift Control Switch - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12064862 8-Way F Metri-Pack 150 Series (BLK)
Pin	Wire Color	Circuit No.	Function
A	BLK	1050	Ground
B	PNK	1561	AWD Indicator Control
C	BRN	1560	Neutral Indicator Control
D	-	-	Not Used
E	PPL/WHT	1382	LED Dimming Supply
F	BRN/WHT	230	Instrument Panel Lamps Dimming Control
G	BRN	241	Ignition 3 Voltage
H	GRY	596	5-Volt Reference

Transfer Case Shift Control Switch - C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12045813 4-Way F Metri-Pack 150 Series (NAT)
Pin	Wire Color	Circuit No.	Function
A	LT BLU	1693	Switch Signal
B	LT GRN/ BLK	1563	2 HI Indicator Control
C	PPL/WHT	1565	4 LO Indicator Control
D	TAN/BLK	1566	4 HI Indicator Control

Transfer Case - Encoder Motor

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15326906 10-Way F GT280 Series Sealed (BLK)
Pin	Wire Color	Circuit No.	Function
A	LT GRN/ BLK	431	5-Volt Reference
B	BRN/WHT	1555	Encoder Signal
C	BLK/WHT	1554	Encoder Low Reference
D	BLK	1552	Motor Control A
E	RED	1553	Motor Control B
F	ORN	1640	Battery Positive Voltage
G	TAN	1569	Lock Solenoid Control
H	-	-	Not Used