GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Tracker - 4WD 🢒 Restraints 🢒 SIR 🢒 Hazard and Turn Signal Flasher Replacement

Removal Procedure

    Object Number: 631127 Size: SH

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Remove the IP steering column opening trim plate. Refer to Instrument Panel Trim Panel Replacement - Left Side in Instrument Panel, Gauges and Console.
  3. Slide the bracket that contains the fuel pump relay and the main relay from the left front side of the junction block (9).
  4. Slide the following connectors from the bottom of the junction block (9):
    5. • Inline connector C213 (8)
    • Inline connector C205 (7)
    • Inline connector C204 (6)
  5. Disconnect the following electrical connectors from the front of the junction block (9):
    6. • Junction block connector C4 (4)
    • Junction block connector C5 (5)
  6. Remove the 2 nuts (10) that retain the junction block (9) to the left hinge pillar.
  7. Remove the nut (3) that retains the junction block (9) to the bulkhead.
  8. Remove the junction block (9) from the 3 retaining studs in order to gain the necessary clearance to disconnect the electrical connectors from the rear of the junction block (9).
  9. Separate the connector housing from the junction block (9) by gently disengaging the retaining tabs (1) at the top of the junction block (9).

    10. Object Number: 631128 Size: SH
  10. Remove the turn/hazard flasher (3) from the junction block (2) by disengaging the retaining tabs (1) and pulling the flasher straight out.

Installation Procedure

    Object Number: 631128 Size: SH
  1. Install the turn/hazard flasher (3) to the junction block (2). Ensure that the retaining tabs (1) are completely engaged.

    2. Object Number: 631127 Size: SH
  2. Install the connector housing to the junction block (9) by engaging the retaining tabs (1) at the top of the junction block (9).

    3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the junction block (9) to the 3 retaining studs. Secure the junction block with the 3 nuts (3,10).

    4. Tighten
    Tighten the junction block mounting nuts to 10 N·m (89 lb in).

  4. Connect the following electrical connectors to the front of the junction block (9):
    5. • Junction block connector C4 (4)
    • Junction block connector C5 (5)
  5. Install the following connectors to the bottom of the junction block (9):
    6. • Inline connector C213 (8)
    • Inline connector C205 (7)
    • Inline connector C204 (6)
  6. Install the bracket that contains the fuel pump relay and the main relay to the left front side of the junction block (9).
  7. Install the IP steering column opening trim plate. Refer to Instrument Panel Trim Panel Replacement - Left Side in Instrument Panel, Gauges and Console.
  8. Connect the negative battery cable.