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Home >> Geo >> 1994 >> Tracker Base, 1.6 6, 4WD, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnosis >> Code 10, Stoplight Switch On Constantly

Code 10, Stoplight Switch On Constantly

  1. Turn ignition off. Disconnect RWAL EBCM harness connector from RWAL EBCM. Turn ignition on. Measure voltage between RWAL EBCM harness connector terminal No. 8 (Green/White wire) and ground.
  2. If reading is less than 10 volts, replace RWAL EBCM. See RWAL ELECTRONIC BRAKE CONTROL MODULE  under REMOVAL & INSTALLATION. If reading is 10-15 volts, replace or adjust stoplight switch or repair short to voltage in Green/White wire between RWAL EBCM, stoplight switch and stoplights.