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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1008 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - 2 OF 5)ELECTRONIC BRAKE CONTROL MODULE (EBCM) (JL7)
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Electronic Brake Control Module (EBCM) (JL7)

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION 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
GM1957370Courtesy of GENERAL MOTORS CORP.
Electronic Brake Control Module (EBCM) (JL7)

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
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.