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Stop Lamp Switch Adjustment

WARNING: This page is about a different car, the 2003 Chevrolet Monte Carlo and 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Ensuring Proper Brake Push Rod Positioning
    GM179284Courtesy of GENERAL MOTORS CORP.
  1. With the brake pedal in the fully released position, ensure that the stop lamp plunger is fully depressed against the brake pedal shanks.
  2. Fully insert the stop lamp switch and the cruise control switch, if equipped, into the brake pedal bracket.
  3. Push the brake pedal forward in order to set the brake push rod into the booster.
    4. NOTE: Proper stoplamp switch adjustment is essential. Improper stoplamp switch adjustment may cause brake drag, heat buildup and excessive brake lining wear.
    Fig 2: Pulling Brake Pedal Against Internal Stop
    GM179286Courtesy of GENERAL MOTORS CORP.
  4. Pull the brake pedal to the rear, against the internal stop. This adjusts both the stop lamp switch and the cruise control switch.
  5. Inspect the stop lamp switch for proper adjustment.
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