GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 202623  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. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Disconnect the electrical connector from the two-speed rear axle shift motor relay.
  3. Remove the shift motor relay bolt, nut, and washer.
  4. Remove the two-speed rear axle shift motor relay.

Installation Procedure


    Object Number: 202623  Size: SH
  1. Install the two-speed rear axle shift motor relay to the chassis.
  2. Connect the shift motor relay washer, nut, and bolt.
  3. Connect the relay electrical connector.
  4. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.