April 5, 2026: LEMON Manuals is launched! Read the announcement.

ABS Connector End Views

Electronic Brake Control Module (EBCM) (JM4/JL9)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		1-928404-410 26-Way F Bosch (BK)
Pin	Wire Color	Circuit No.	Function
1	BK	350	Ground
2	RD	542	Battery Positive Voltage
3	OG	540	Battery Positive Voltage
4	BK	350	Ground
5	L-BU	830	Left Front Wheel Speed Sensor Signal
6	YE	873	Left Front Wheel Speed Sensor Low Reference
7	BK	884	Left Rear Wheel Speed Sensor Signal
8	WH	883	Right Rear Wheel Speed Sensor Low Reference
9	TN	833	Right Front Wheel Speed Sensor Low Reference
10	D-GN	872	Right Front Wheel Speed Sensor Signal
11-16	-	-	Not Used
17	RD	885	Left Rear Wheel Speed Sensor Low Reference
18	PK	1439	Ignition 1 Voltage
19	BN	882	Right Rear Wheel Speed Sensor Signal
20	L-BU	20	Stop Lamp Switch Signal
21-24	-	-	Not Used
25	PU	1807	EBCM Class 2 Serial Data
26	PU	1807	EBCM Class 2 Serial Data

Traction Control Switch (JM4/JL9 w/NW7)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12089248 4-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	BK/WH	151	Ground
B	GY	8	Instrument Panel Lamp Supply Voltage - 1
C	PU/WH	1572	Traction Control Indicator Control
D	BN/WH	1571	Traction Control Switch Signal

Wheel Speed Sensor (WSS) - LF (JM4/JL9)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12052644 2-Way F Metri-Pack 150 Series Sealed (GY)
Pin	Wire Color	Circuit No.	Function
A	L-BU	872	Left Front Wheel Speed Sensor Signal
B	YE	833	Left Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - LR (JM4/JL9)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15305168 2-Way F (GY)
Pin	Wire Color	Circuit No.	Function
A	BK	884	Left Rear Wheel Speed Sensor Signal
B	RD	885	Left Rear Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - RF (JM4/JL9)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12052644 2-Way F Metri-Pack 150 Series Sealed (GY)
Pin	Wire Color	Circuit No.	Function
A	L-BU	872	Right Front Wheel Speed Sensor Signal
B	YE	833	Right Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - RR (JM4/JL9)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15305168 2-Way F (GY)
Pin	Wire Color	Circuit No.	Function
A	BN	882	Right Rear Wheel Speed Sensor Signal
B	WH	883	Right Rear Wheel Speed Sensor Low Reference