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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1938 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - E)COMPONENT CONNECTOR END VIEWS - EELECTRONIC BRAKE CONTROL MODULE (EBCM) (JF3 OR JF7)
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Electronic Brake Control Module (EBCM) (JF3 or JF7)

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Electronic Brake Control Module (EBCM) (JF3 or JF7)
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Electronic Brake Control Module (EBCM) (JF3 or JF7)
GM1862109Courtesy of GENERAL MOTORS CORP.
Electronic Brake Control Module (EBCM) (JF3 or JF7)

Pin Wire Circuit Function
1 3 RD/BK 442 Battery Positive Voltage
2-5 - - Not Available
6 0.5 D-GN 872 Right Front Wheel Speed Sensor Signal
7-12 - - Not Available
13 3 BK 2150 Ground
14 0.5 YE 2501 High Speed GMLAN Serial Data Bus (-)
15 0.5 TN 2501 High Speed GMLAN Serial Data Bus (-)
16 - - Not Available
17 - - Not Used
18 3 GY/WH 7065 12-Volt Reference
19 - - Not Used
20-21 - - Not Available
22 0.5 L-BU 830 Left Front Wheel Speed Sensor Signal
23-24 - - Not Available
25 2 RD 1640 Battery Positive Voltage
26 0.5 YE/BK 2500 High Speed GMLAN Serial Data Bus (+)
27 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
28 0.5 D-GN/WH 817 Vehicle Speed Signal
29-30 - - Not Available
31 0.5 YE/BK 1827 Vehicle Speed Signal
32-33 - - Not Available
34 0.5 GY/WH 7064 12-Volt Reference
35 0.5 L-BU 5986 Serial Data Communication Enable
36-37 - - Not Available
38 3 BK 2150 Ground
Connector Part Information 
  • Harness: Chassis
  • OEM: 15483838
  • Service: 19168031
  • Description: 17-Way F 0.64 GT280 Series Sealed (BK)
Terminal Part Information 
  • Pins: 1, 13, 18, 38
  • Terminal/Tray: 15304720/19
  • Core/Insulation Crimp: 4/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: 6, 14, 15, 22, 26-28, 31, 34, 35
  • Terminal/Tray: SAITS-A03T-M064/14
  • Core/Insulation Crimp: 9/9
  • Release Tool/Test Probe: J-38125-215A/J-35616-64B (L-BU)
  • Pins: 25
  • Terminal/Tray: 15304720/19
  • Core/Insulation Crimp: 4/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
RENDER: 1.0x

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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.