Mazda Trucks 1987-1993 Repair Guide

Brake Light Switch

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REMOVAL & INSTALLATION



Pickups and MPV

The switch is located at the top of the brake pedal.

  1. Disconnect the wiring from the switch.
  2.  
  3. Loosen the locknut and adjusting nut and unscrew the switch from the bracket.
  4.  
  5. Install the new switch. Adjust the brake pedal. Tighten the locknut.
  6.  

Navajo

See Figure 1



Click image to see an enlarged view

Fig. Fig. 1: Stoplight switch mounting

  1. Lift the locking tab on the switch connector and disconnect the wiring.
  2.  
  3. Remove the hairpin retainer, slide the stoplamp switch, pushrod and nylon washer off of the pedal. Remove the washer, then the switch by sliding it up or down.
  4.  

On some vehicles equipped with speed control, the spacer washer is replaced by the dump valve adapter washer.

  1. To install the switch, position it so that the U-shaped side is nearest the pedal and directly over/under the pin.
  2.  
  3. Slide the switch up or down, trapping the master cylinder pushrod and bushing between the switch side plates.
  4.  
  5. Push the switch and pushrod assembly firmly towards the brake pedal arm. Assemble the outside white plastic washer to the pin and install the hairpin retainer.
  6.  

Don't substitute any other type of retainer. Use only the specified hairpin retainer.

  1. Assemble the connector on the switch.
  2.  
  3. Check stoplamp operation.
  4.  

Make sure that the stoplamp switch wiring has sufficient travel during a full pedal stroke.

 
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