GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Corvette 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Control Assembly Replacement

Removal Procedure

    Object Number: 82150 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 accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement in Instrument Panel, Gages and Console.
  3. Remove the HVAC control head retaining screws.
  4. Pull the control head out from the IP center support bracket to access the electrical connector.

    5. Object Number: 296211 Size: SH
  5. Disconnect the electrical connector from the control head.
  6. Remove the control head from the vehicle.

Installation Procedure

    Object Number: 296211 Size: SH
  1. Connect the electrical connector to the HVAC control head.

    2. Object Number: 82150 Size: SH
  2. Install the control head to the IP center support bracket.

    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 HVAC control head retaining screws.

    4. Tighten
    Tighten the HVAC control head retaining screws to 1.9 N·m (17 lb in).

  4. Install the IP accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement in Instrument Panel, Gages and Console.
  5. Connect the negative battery cable.

    6. Tighten
    Tighten the negative battery cable bolt to 15 N·m (11 lb in).

  6. Program the transmitters. Refer to Transmitter Programming/Synchronization in Keyless Entry.