GM Service Manual Online
For 1990-2009 cars only

Wheel Speed Sensor Jumper Harness Replacement Front

Removal Procedure


    Object Number: 385478  Size: SH
  1. Raise and support the vehicle on a suitable hoist. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Disconnect the front wheel speed sensor jumper harness connector from the ABS harness connector (1).
  3. Remove the front wheel speed sensor jumper harness (2) from the control arm retaining clips (3).

  4. Object Number: 385475  Size: SH
  5. Disconnect the front wheel speed jumper harness connector (1) from the front wheel speed sensor connector (3).
  6. Remove the front wheel speed sensor jumper harness (2) from the vehicle.

Installation Procedure


    Object Number: 385475  Size: SH
  1. Connect the front wheel speed sensor jumper harness connector (1) to the front wheel speed sensor connector (3).

  2. Object Number: 385478  Size: SH
  3. Install the front wheel speed sensor jumper harness (2) to control arm retaining clips (3).
  4. Connect the front wheel speed sensor jumper harness connector to the ABS harness connector (1).
  5. Lower the vehicle.
  6. Turn the ignition switch to the RUN position, with the engine off.
  7. Perform the Diagnostic System Check - ABS

Wheel Speed Sensor Jumper Harness Replacement Rear

Removal Procedure


    Object Number: 230413  Size: SH
  1. Raise and support the vehicle on a suitable hoist. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Disconnect the rear wheel speed jumper harness connector at the pass thru connector.
  3. Remove the rear wheel speed sensor jumper harness (1) from the retaining clips (2).

  4. Object Number: 305363  Size: SH
  5. Disconnect the rear wheel speed sensor jumper harness connector (1) from the wheel speed sensor, located next to the rear strut (2).
  6. Remove the rear wheel speed sensor jumper harness.

Installation Procedure


    Object Number: 305363  Size: SH
  1. Connect the rear wheel speed sensor jumper harness connector (1) to the wheel speed sensor, located next to the rear strut (2).

  2. Object Number: 230413  Size: SH
  3. Install the rear wheel speed jumper harness (1) into the retaining clips (2).
  4. Connect the rear wheel speed sensor jumper harness connector to the pass thru connector.
  5. Lower the vehicle.
  6. Turn the ignition switch to the RUN position, with the engine off.
  7. Perform the Diagnostic System Check - ABS