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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 625 (Anti-Lock Brake System) >> Repair Instructions >> Wheel Speed Sensor Jumper Harness Replacement - Front (Left) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Replace the wheel speed sensor jumper harness. Refer to WIRING REPAIRS in Wiring Repair.
  2. Route the wheel speed sensor jumper (1) through the engine compartment to the wheel well.
  3. If equipped with a 4.0L install the ground wire and bolt to the top of the transmission near the shift lever. Refer to TRANSAXLE (4T80-E) or TRANSAXLE (4T65-E) .
  4. If equipped with a 4.0L install the air cleaner intake duct. Refer to Air Cleaner Intake Duct Replacement .
    Fig 1: Routing Wheel Speed Sensor Jumper Through Engine Compartment To Wheel Well
    G01582503Courtesy of GENERAL MOTORS CORP.
  5. Raise the vehicle.
  6. Connect the wheel speed sensor connector (7) to the wheel speed sensor (6).
  7. Connect the harness grommet (3) to the strut bracket (5).
  8. Connect the harness grommet (1) to the rail bracket (2).
  9. Connect the harness clip (4) the rail bracket (2).
  10. Install the left front tire and wheel assembly. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  11. Lower the vehicle.
  12. Perform the ABS Diagnostic System Check. Refer to DIAGNOSTIC SYSTEM CHECK - ABS 
    Fig 2: Connecting Speed Sensor Jumper Harness Components
    G01582504Courtesy of GENERAL MOTORS CORP.
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