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Home › Chevrolet › 1987 › Corvette 2D Convertible, Automatic › Repair and Diagnosis › Brakes › Traction Control › Anti-Lock › Diagnosis & Testing › Test Procedures

Test Procedures

  1. Check for battery voltage between Orange/Black wire and ground. If not, check "BRAKE" fuse. Also, check for open in Orange/Black wire between module relay terminal No. 1 and brake fuse.
  2. Check for battery voltage between Pink/Black wire and ground. If not, check "GAGES" fuse. Also, check for open in Pink/Black wire between module relay terminal No. 3 and gauges fuse.
  3. Check for battery voltage between Pink/Black wire and Black wire. If not, check Black wire for open between Module Relay terminal and ground.
  4. Plug in module relay connector and check for battery voltage between Gray/Black and Black wire. If not, replace module relay.
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