GM Service Manual Online
For 1990-2009 cars only

Wheel Speed Sensor Jumper Harness Replacement Front

Removal Procedure

  1. Raise and support the vehicle on a suitable hoist. Refer to Lifting and Jacking the Vehicle in General Information.

  2. Object Number: 161066  Size: SH
  3. Remove the connector from the front wheel speed sensor.
  4. Remove the harness attaching clips (2) from the control arm (3).
  5. Lower the vehicle.
  6. Remove the harness attaching clips from the strut tower.
  7. Cut the wheel speed sensor wiring circuits within the main engine harness.
  8. Strip the insulation on the engine harness leads and the new wheel speed sensor harness leads.

Installation Procedure


    Object Number: 161066  Size: SH
  1. Splice the sleeve provided in the jumper harness kit over each engine harness lead.
  2. Install the new wheel speed sensor harness leads to the engine harness leads and crimp the connections. Verify that the wire colors match.
  3. Heat shrink the tube lightly to seal the connection.
  4. Install the harness attaching clip to the strut tower.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  6. Install the harness attaching clips (2) to the control arm (3).
  7. Install the connector to the front wheel speed sensor.
  8. Lower the vehicle.
  9. Perform Diagnostic System Check .

Wheel Speed Sensor Jumper Harness Replacement Rear

Removal Procedure

  1. Raise and support the vehicle on a suitable hoist. Refer to Lifting and Jacking the Vehicle in General Information.

  2. Object Number: 166036  Size: SH
  3. Disconnect the two rear wheel speed sensor electrical connectors (3) from the rear wheel bearing and speed sensor assemblies (2).
  4. Disconnect the rear axle harness electrical connector from the body to ABS and fuel sender connector.
  5. Remove the rear axle harness retainers (1).
  6. Remove the rear axle harness from the vehicle.

Installation Procedure


    Object Number: 166036  Size: SH
  1. Install the rear axle harness to the vehicle.
  2. Install the rear axle harness retainers (1).
  3. Connect the rear axle harness electrical connector to the body to ABS and fuel sender connector.
  4. Connect the two rear wheel speed sensor electrical connectors (3) to the rear wheel bearing and speed sensor assemblies (2).
  5. Lower the vehicle.
  6. Perform Diagnostic System Check .