Chrysler Full-Size Trucks 1989-1996 Repair Guide

Brake Light Switch

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REMOVAL & INSTALLATION



The switch is mounted on a bracket above the brake pedal and is contacted by the brake pedal arm.

  1. If applicable, remove the knee bolster for access to the brake light switch and pedal.
  2.  
  3. Unplug the switch harness.
  4.  
  5. Press and hold the brake pedal, then while keeping the pedal depressed, then install the switch in the bracket.
  6.  
  7. Pull the switch rearward out of the mounting bracket and release the pedal.
  8.  

ADJUSTMENT



Dakota Models

See Figure 1

  1. Push and hold the brake pedal in the applied position.
  2.  
  3. Push the switch forward until fully seated against the bracket.
  4.  



Click image to see an enlarged view

Fig. Fig. 1: Details of the brake light switch-Dakota models

  1. Release the brake pedal.
  2.  
  3. Lightly pull the brake pedal rearward until the master cylinder pushrod bottoms against its internal stop. The switch plunger is now set at its proper clearance.
  4.  

1989-93 Pick-Up and Ramcharger Models

WITHOUT SPEED CONTROL

See Figure 2

  1. Loosen the switch-to-pedal bracket screw and slide the switch away from the pedal arm.
  2.  
  3. Push the pedal down by hand and allow it to return on its own to the free-hanging position. Do not pull it back!
  4.  



Click image to see an enlarged view

Fig. Fig. 2: Brake light switch adjustment specifications-1989-93 models

  1. Slide the switch towards the pedal until there is a gap of 0.140 in. (3.5mm) between the plunger and pedal arm.
  2.  

The pedal must not move when measuring the gap.

  1. Tighten the switch screw to 82 inch lbs. (9 Nm). Recheck the gap.
  2.  

WITH SPEED CONTROL

See Figure 2

  1. Push the switch through the clip in the mounting bracket until it is seated against the bracket. The pedal will move forward slightly.
  2.  
  3. Gently pull back on the pedal as far as it will go. The switch will ratchet backwards to the correct position.
  4.  

1994-96 Pick-Up Models

This procedure calls for setting the switch prior to installation. Installation directions are included in this one procedure.

  1. Preset the switch in the following manner:
    1. Pull the switch plunger all the way out until it is fully extended.
    2.  
    3. Push the switch plunger inward 4 detent positions (clicks). This will provide the preset position for the switch installation. The plunger will extend approximately 0.55 in. (14mm) out of the housing at this setting.
    4.  

  2.  
  3. Connect the harness wires to the switch.
  4.  
  5. Press and hold down the brake pedal.
  6.  
  7. Install the switch. Align the tab with the notch, then insert the switch and turn clockwise about 30° to lock it in place.
  8.  


WARNING
Do not use excessive force when setting the brake pedal switch or damage to the switch could result.

  1. Release the brake pedal, then LIGHTLY pull the pedal fully rearward. The pedal will set the switch to the correct depth.
  2.  

 
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