GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the negative battery cable. Refer to

    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.

    .

  2. Object Number: 58507  Size: SH
  3. Remove the module end cover.
  4. Remove the circuit board inside the module housing being careful not to bend or twist the circuit board.

Installation Procedure


    Object Number: 58507  Size: SH
  1. Install the circuit board inside the module housing being careful not to bend or twist the circuit board.
  2. Install the module end cover.
  3. Connect the negative battery cable.