GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Body 🢒 Lighting Systems 🢒 Daytime Running Lamp (DRL) Diode Replacement

Removal Procedure
  1. Remove the instrument panel driver knee bolster panel. Refer to Driver Knee Bolster Panel Replacement in Instrument Panel, Gages and Console.

    2. Object Number: 325466 Size: SH
  2. Remove the bolt (2) that retains the DRL diode to the left inside knee bolster bracket (6).
  3. Disconnect the electrical connector from the DRL diode.
  4. Remove the DRL diode (4) from the vehicle.

Installation Procedure

    Object Number: 325466 Size: SH
  1. Install the DRL diode (4) to the vehicle.
  2. Connect the electrical connector to the DRL diode.

    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 DRL diode retaining bolt (2) to the left inside knee bolster bracket (6).

    4. Tighten
    Tighten the bolt to 4 N·m (35 lb in).

  4. Install the instrument panel driver knee bolster panel. Refer to Driver Knee Bolster Panel Replacement in Instrument Panel, Gages and Console.