GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: The turn signal lamp flasher is on the top of the junction block beneath the left side of the instrument panel.


    Object Number: 622925  Size: SH

    Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

       • Air bag deployment
       • Personal injury
       • Unnecessary SIR system repairs
    In order to avoid the above conditions, observe the following guidelines:
       • Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
       • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.

  1. Disable the SIR system. Refer to Disabling the SIR System in SIR.
  2. Remove the following components from the vehicle:
  3. 2.1. The 2 plastic retainers
    2.2. The left hinge pillar trim (3)

    Object Number: 622920  Size: SH
  4. Remove the bolt (2), and lower the junction block (1) in order to access the turn signal lamp flasher.

  5. Object Number: 622921  Size: SH
  6. Remove the turn signal lamp flasher (1) by pulling the flasher from the junction block (2).

Installation Procedure


    Object Number: 622921  Size: SH
  1. Push the turn signal lamp flasher (1) into the junction block (2).

  2. Object Number: 622920  Size: SH

    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. Reposition the junction block (1). Secure the junction block with the bolt (2).
  4. Tighten
    Tighten the junction block bolt to 10 N·m (89 lb in).


    Object Number: 622925  Size: SH
  5. Install the left hinge pillar trim (3). Secure the trim with the 2 plastic retainers.
  6. Enable the SIR system. Refer to Enabling the SIR System in SIR.