Electronic Brake Control Module: Service and Repair

1993 Chevrolet S10/T10 P/U 2WD V6-173 2.8LSECTION Service and Repair

Fig. 85 EBCM & APV Valve Assembly Replacement.:






When replacing the EBCM be sure to use the correct replacement EBCM for the system that is being serviced. The 3500 HD uses the ZPRWAL EBCM with the gray electrical connector. All other models use the RWAL EBCM with the black electrical connector. Failure to use the correct EBCM will result in system malfunction.
1. Disconnect battery ground cable.
2. Disconnect EBCM electrical connectors, Fig. 85.
3. Remove EBCM by pulling towards front of vehicle.
4. Reverse procedure to install.

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.