Electronic Brake Control Module (EBCM) (JL7)

WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Electronic Brake Control Module (EBCM) (JL7) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	1 BK	1150	Ground
2	-	-	Not Used
3	0.35 BN	882	Wheel Speed Sensor Signal Right Rear
4	0.35 TN	884	Wheel Speed Sensor Signal Left Rear
5-11	-	-	Not Used
12	0.35 YE	5727	High Speed GMLAN Serial Data Wake Up
13	0.35 RD/BK	342	Battery Positive Voltage
14	0.8 WH	345	Variable Effort Steering Actuator Low Effort Control
15	0.35 WH	883	Wheel Speed Sensor Low Reference Right Rear
16	0.35 OG	885	Wheel Speed Sensor Low Reference Left Rear
17	0.35 D-GN	872	Wheel Speed Sensor Signal Right Front
18-20	-	-	Not Used
21	0.35 L-GN/BK	6432	CAN Bus Low Serial Data
22	-	-	Not Used
23	0.35 TN	2501	High Speed GMLAN Serial Data (-) (1)
24	0.35 TN	2501	High Speed GMLAN Serial Data (-) (1)
25	1 BK	1150	Ground
26	0.8 GY	1787	Variable Effort Steering Actuator High Effort Control
27	0.35 L-BU	830	Wheel Speed Sensor Signal Left Front
28	0.35 YE	873	Left Front Wheel Speed Sensor Low Reference
29	-	-	Not Used
30	0.35 TN	833	Wheel Speed Sensor Low Reference Right Front
31-32	-	-	Not Used
33	0.35 TN/WH	6433	CAN Bus High Serial Data
34-35	-	-	Not Used
36	0.35 TN/BK	2500	High Speed GMLAN Serial Data (+) (1)
37	0.35 TN/BK	2500	High Speed GMLAN Serial Data (+) (1)
38	1 RD/BK	9342	Battery Positive Voltage

Connector Part Information

OEM: 31380-1100
Service: See Catalog
Description: 38-Way F 250/280/6.3 Series, Sealed (BK)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit