Transfer Case Control Connectors

WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 GMC Yukon, 2006 Chevrolet Tahoe, 2006 Chevrolet Suburban, and 2006 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 (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
E	BK	2150	Ground

Propshaft Speed Sensor - Front

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15449028 2-Way F GT 150 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	YE	400	Signal High - Front
2	PU	401	Signal Low - Front

Propshaft Speed Sensor - Rear

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15449028 2-Way F GT 150 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	L-BU	2221	Signal High - Rear
B	D-GN	2222	Signal Low - Rear

Transfer Case - Encoder Motor

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15326906 8-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	Encoder Low Reference
D	BK	1552	Motor Control A
E	RD	1553	Motor Control B
F	OG	1640	Battery Positive Voltage
G	TN	1569	Lock Solenoid Control
H	-	-	Not Used

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	ATC Class 2 Serial Data
A2	L-BU	1296	Axle Actuator - Control
A3	PK	1561	AWD Indicator Control
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	Encoder Low Reference
A8	BK/WH	1851	Ground
B1	-	-	Not Used
B2	TN	1569	Lock Solenoid Control
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 Micro-Pack 100 Series (GY)
Pin	Wire Color	Circuit No.	Function
A1	PU	401	Signal Low - Front
A2	YE	400	Signal High - Front
A3-A7	-	-	Not Used
A8	L-GN/BK	431	8-Volt Reference
B1	L-BU	2221	Signal High - Rear
B2	D-GN	2222	Signal Low - Rear
B3-B5	-	-	Not Used
B6	BK/WH	1695	Axle Switch 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		12064862 8-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	BK	1050	Ground
B	PK	1561	AWD Indicator Control
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		12045813 4-Way F Metri-Pack 150 Series (NA)
Pin	Wire Color	Circuit No.	Function
A	L-BU	1693	Switch Signal
B	L-GN/BK	1563	2 HI Indicator Control
C	PU/WH	1565	4 LO Indicator Control
D	TN/BK	1566	4 HI Indicator Control