GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    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 blower motor relay from the retaining bracket.
  3. Disconnect the electrical connector.
  4. Remove the blower motor relay.

Installation Procedure

  1. Install the blower motor relay.
  2. Connect the electrical connector.
  3. Install the blower motor relay to the retaining bracket.
  4. Connect the negative battery cable.