GM Service Manual Online
For 1990-2009 cars only

Stop Lamp Switch Replacement Commercial

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. Object Number: 172210  Size: SH
  3. Disconnect the electrical connectors.
  4. Remove the switch.

Installation Procedure


    Object Number: 172210  Size: SH
  1. Install the switch.
  2. Adjust the switch. Refer to Stop Lamp Switch Adjustment .
  3. Connect the electrical connectors.
  4. Connect the negative battery cable.

Stop Lamp Switch Replacement Motorhome

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. Object Number: 172208  Size: SH
  3. Disconnect the electrical connectors (1 and 4).
  4. Remove the switch (2 and 3).

Installation Procedure


    Object Number: 172208  Size: SH
  1. Install the switch (2 and 3).
  2. Adjust the switch. Refer to Stop Lamp Switch Adjustment .
  3. Connect the electrical connectors (1 and 4).
  4. Connect the negative battery cable.