GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

The DRL module board is enclosed in a plastic case.


    Object Number: 310112  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. Cut the tie strap.
  3. Open the case and remove the module board.

Installation Procedure


    Object Number: 310112  Size: SH
  1. Install the DRL control module board into the case.
  2. Install a tie strap or use tape in order to hold the module assembly in place.
  3. 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.

  4. Connect the negative battery cable.