GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 161421  Size: SH
  1. Remove the left insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side in Instrument Panel, Gauges and Console.
  2. Twist the upper switch (5) counter-clockwise and remove.
  3. Disconnect the upper switch electrical connector.

Installation Procedure


    Object Number: 161421  Size: SH

    Notice: Proper stoplamp switch adjustment is essential. Improper stoplamp switch adjustment could cause brake drag and excessive brake lining wear.

  1. Connect the upper switch (5) electrical connector.
  2. Install the upper switch (5) into the upper retainer. Face the switch connector to the 6  o'clock position.
  3. Adjust the switch. Refer to Cruise Release Switch Adjustment .
  4. Install the left insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side in Instrument Panel, Gauges and Console.