GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Turn the ignition OFF.
  2. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement .
  3. 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.

    in Cautions and Notices.

  4. Object Number: 19038  Size: SH
  5. Release the tabs from the rear relay electrical center (1) cover.

  6. Object Number: 185670  Size: SH
  7. Remove the fuel pump relay from the rear relay electrical center.

Installation Procedure


    Object Number: 185670  Size: SH
  1. Install the fuel pump relay into the rear relay electrical center.

  2. Object Number: 19038  Size: SH
  3. Install the rear relay electrical center (1) cover.
  4. Turn the ignition OFF.
  5. Connect 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.

    in Cautions and Notices.
  6. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement .