GM Corvette 1984-1996 Repair Guide

Stoplamp Switch

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REMOVAL & INSTALLATION



1984-92 Vehicles

See Figure 1

  1. Disconnect the negative battery cable.
  2.  
  3. Remove any necessary instrument panel sound insulators.
  4.  
  5. Remove the retaining clip, then unscrew and remove the stoplamp switch from the brake pedal.
  6.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of the stoplamp switch-1984-92 vehicles

  1. Installation is the reverse of the removal procedure. Adjust the switch, as outlined later in this section.
  2.  

1993-96 Vehicles

See Figure 2

On these vehicles, the stoplamp and cruise control switch is one unit.

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the instrument panel sound insulator.
  4.  
  5. Detach the electrical and vacuum connectors from the switch.
  6.  
  7. Remove the stoplamp/cruise control switch.
  8.  



Click image to see an enlarged view

Fig. Fig. 2: Stoplamp/cruise control switch mounting and adjustment-1993-96 vehicles

To install:
  1. Install and adjust the stoplamp/cruise control switch.
  2.  
  3. Attach the electrical and vacuum connectors.
  4.  
  5. Connect the negative battery cable.
  6.  

ADJUSTMENT



See Figures 1 and 2

The stoplamp switch must be adjusted for proper operation of the ABS and ASR systems.

The design of the switch allows for automatic adjustment when the brake pedal is manually return to its mechanical stop, as follows:

  1. With the brake pedal depressed, insert the stoplamp switch into the retainer until the switch body seats on the retainer. Make sure you can hear the clicks as the threaded part of the switch is pushed through the retainer toward the brake pedal.
  2.  

Do not use excessive force when adjusting the stoplamp switch, as this will cause damage to the power booster.

  1. Pull the brake pedal fully rearward against the pedal stop, using a force of about 42 lbs. (187 N), until you no longer hear the click sounds. The switch will be moved in the retainer providing proper adjustment.
  2.  
  3. Release the brake pedal, then repeat Step 2, to make sure no clicking sounds remain.
  4.  

 
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