Transfer Case Control Connectors

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

Transfer Case Shift Control Module - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12052107 32-Way F Micro-Pack 100 Series (ORN)
Pin	Wire Color	Circuit No.	Function
E1	TAN	1569	Lock Solenoid Control
E2	-	-	Not Used
E3	PNK	1561	AWD Indicator Control
E4	LT GRN/BLK	1563	2 HI Indicator Control
E5	BRN/WHT	1555	Channel P Encoder Signal
E6	RED/WHT	1556	Channel C Encoder Signal
E7	YEL/BLK	1558	Channel B Encoder Signal
E8	DK BLU/ WHT	1557	Channel A Encoder Signal
E9	DK GRN/ WHT	1133	ATC Class 2 Serial Data
E10	BRN	241	Ignition 3 Voltage
E11	PPL	806	Crank Voltage
E12	YEL	400	Signal High - Front
E13	PPL	401	Signal Low - Front
E14	BLK/WHT	1695	Axle Switch Signal
E15	-	-	Not Used
E16	BLK/WHT	451	Ground
F1	PPL/WHT	1565	4 LO Indicator Control
F2	TAN/BLK	1566	4 HI Indicator Control
F3	BRN	1560	Neutral Indicator Control
F4	GRY/BLK	1570	Axle Actuator Control
F5	LT BLU	2221	Signal High - Rear
F6	DK GRN	2222	Signal Low - Rear
F7	GRY/BLK	1694	4WD Low Signal
F8- F11	-	-	Not Used
F12	BLK/WHT	1554	Encoder Signal Ground
F13	LT GRN/BLK	431	8 Volt Reference
F14	LT GRN/BLK	431	8 Volt Reference
F15	-	-	Not Used
F16	LT BLU	1693	Switch Signal

Transfer Case Shift Control Module - C2

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	1552	Motor Control A
B	RED	1553	Motor Control B
C	BLK	1050	Ground
D	ORN	1640	Battery Positive Voltage

Transfer Case Shift Control Switch - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12064766 8-Way F Metri-Pack 150 Series (BLU)
Pin	Wire Color	Circuit No.	Function
A	LT GRN/BLK	431	8 Volt Reference
B	LT BLU	1693	Switch Signal
C	PPL/WHT	1565	4 LO Indicator Control
D	TAN/BLK	1566	4 HI Indicator Control
E	LT GRN/BLK	1563	2 HI Indicator Control
F	PNK	1561	AWD Indicator Control
G	BLK	1050	Ground
H	GRY	1220	Instrument Panel Lamp Fuse Supply Voltage - 2

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	-	-	Not Used
B	PPL/WHT	1382	LED Dimming Signal
C	BRN	241	Ignition 3 Voltage
D	BRN	1560	Neutral Indicator Control

Transfer Case Encoder Motor - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12191399 4-Way F Metri-Pack 280 Series, Flexlock, Sealed (BLK)
Pin	Wire Color	Circuit No.	Function
A	BLK	1552	Motor Control A
B	RED	1553	Motor Control B
C	ORN	1640	Battery Positive Voltage
D	TAN	1569	Lock Solenoid Control

Transfer Case Encoder Motor - C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12052848 6-Way F Metri-Pack 150 Series, Sealed (BLK)
Pin	Wire Color	Circuit No.	Function
A	BLK/WHT	1554	Encoder Signal Ground
B	DK BLU/ WHT	1557	Channel A Encoder Signal
C	RED/WHT	1556	Channel C Encoder Signal
D	YEL/BLK	1558	Channel B Encoder Signal
E	LT GRN/BLK	431	8 Volt Reference
F	BRN/WHT	1555	Channel P Encoder Signal

Front Axle Vacuum Solenoid

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12052641 2-Way F Metri-Pack 150 Series, Sealed (BLK)
Pin	Wire Color	Circuit No.	Function
A	BRN	241	Ignition 3 Voltage
B	GRY/BLK	1570	Axle Actuator Control

Front Axle Indicator Switch

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12103584 2-Way F Weather Pack Connector (BRN)
Pin	Wire Color	Circuit No.	Function
A	BRN	241	Ignition 3 Voltage
B	BLK/WHT	1695	Axle Switch Signal

Propshaft Speed Sensor - Front

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12162194 2-Way F Metri-Pack 150.2 Series, Sealed (BLK)
Pin	Wire Color	Circuit No.	Function
A	YEL	400	Signal High - Front
B	PPL	401	Signal Low - Front

Propshaft Speed Sensor - Rear

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12162194 2-Way F Metri-Pack 150.2 Series, Sealed (BLK)
Pin	Wire Color	Circuit No.	Function
A	LT BLU	2221	Signal High - Rear
B	DK GRN	2222	Signal Low - Rear