ABS Connectors

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Electronic Brake Control Module (EBCM) - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12052613 2-Way F METRI PAC 480 Sealed (BLK)
Pin	Wire Color	Circuit No.	Function
A	BLK	2150	Ground
B	RED	442	Battery Positive Voltage

Electronic Brake Control Module (EBCM) - C2 (10/20 Series w/o HP2)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12193519 16-Way F Micro-Pack 100W (NAT)
Pin	Wire Color	Circuit No.	Function
A1	BRN	441	Ignition 3 Voltage
A2	YEL	873	Left Front Wheel Speed Sensor Low Reference
A3	DK GRN	872	Right Front Wheel Speed Sensor Signal
A4	TAN/BLK	464	Delivered Torque Signal
A5	-	-	Not Used
A6	WHT	1808	Service Traction Control Signal (w/ Traction Assist)
A7	-	-	Not Used
A8	BLK/WHT	1695	Axle Switch Signal (w/o NW7)
A8	BLK/WHT	1695	Traction Control Switch Signal (w/ NW7)
B1	YEL/BLK	1827	Vehicle Speed Signal
B2	LT BLU	830	Left Front Wheel Speed Sensor Signal
B3	TAN	833	Right Front Wheel Speed Sensor Low Reference
B4	ORN/BLK	463	Requested Torque Signal
B5	PPL	420	TCC Brake Switch/Cruise Control Release Signal
B6	LT BLU	1122	ABS/TCS Class 2 Serial Data
B7	-	-	Not Used
B8	PPL	333	Brake Fluid Level Sensor Signal

Electronic Brake Control Module (EBCM) - C2 (30 Series and HP2)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15339077 20-Way F Micro-Pack 100W (BLK)
Pin	Wire Color	Circuit No.	Function
A1	YEL	873	Left Front Wheel Speed Sensor Low Reference
A2	DK GRN	872	Right Front Wheel Speed Sensor Signal
A3	PPL	420	TCC Brake Switch/Cruise Control Release Signal
A4-A7	-	-	Not Used
A8	BLK/WHT	1695	Axle Switch Signal
A9	LT BLU	1122	ABS/TCS Class 2 Serial Data
A10	PPL	333	Brake Fluid Level Sensor Signal
B1	LT BLU	830	'Left Front Wheel Speed Sensor Signal
B2	TAN	833	Right Front Wheel Speed Sensor Low Reference
B3	YEL/BLK	1827	Vehicle Speed Signal
B4-B6	-	-	Not Used
B7	ORN/BLK	463	Requested Torque Signal (HP2)
B8-B9	-	-	Not Used
B10	BRN	441	Ignition 3 Voltage

Traction Control Switch (NW7)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12186758 8 Way F Metri-Pack 150 Series (GRY)
Pin	Wire Color	Circuit No.	Function
A	BLK/WHT	1851	Ground
B-E	-	-	Not Used
F	BRN/WHT	230	Instrument Panel Lamps Dimming Control
G	BRN/WHT	1571	Axle Switch Signal
H	BRN	441	Ignition 3 Voltage

Wheel Speed Sensor (WSS) - LF

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12052641 2-Way F Metri-Pack 150 Series (BLK)
Pin	Wire Color	Circuit No.	Function
A	LT BLU	830	Left Front Wheel Speed Sensor Signal
B	YEL	873	Left Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - RF

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12052641 2-Way F Metri-Pack 150 Series (BLK)
Pin	Wire Color	Circuit No.	Function
A	DK GRN	872	Right Front Wheel Speed Sensor Signal
B	TAN	833	Right Front Wheel Speed Sensor Low Reference