Pontiac Fiero 1984-1988 Repair Guide

Turn Signal (Multi-Function) Switch

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REMOVAL & INSTALLATION





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Fig. Fig. 1 Exploded view of the components that must be removed in order to remove the turn signal switch

  1. Disconnect the negative (-) battery cable.
  2.  
  3. Remove the steering wheel and trim cover by pushing down on the trim cover and turn until unlocked (Sport Wheel). Remove the two pad retaining screws and the pad cover (Standard Wheel).
  4.  
  5. Remove the steering column cover attaching screws and remove the cover from the steering column.
  6.  
  7. Position a U-shaped lockplate compressing tool on the end of the steering shaft and compress the lockplate by turning the shaft nut clockwise. Pry the wire snapring out of the shaft groove.
  8.  
  9. Remove the tool and lift the lockplate off the shaft.
  10.  
  11. Slip the canceling cam, upper bearing preload spring, and thrust washer off the shaft.
  12.  
  13. Remove the turn signal lever. Remove the hazard flasher button retaining screw and remove the button spring and knob.
  14.  
  15. Pull the switch connector out of the mast jacket and tape the upper part to facilitate switch removal. Attach a long piece of wire to the turn signal switch connector. When installing the turn signal switch, feed this wire through the column first, and then use this wire to pull the switch connector into position. On tilt wheels, place the turn signal and shifter housing in the low position and remove the harness cover.
  16.  
  17. Remove the three switch mounting screws. Remove the switch by pulling it straight up while guiding the wiring harness cover through the column.
  18.  

To install:

  1. Install the replacement switch by working the connector and cover down through the housing and under the bracket. On tilt models, the connector is worked down through the housing, under the bracket, and then the cover is installed on the harness. Reconnect the electrical connector and cover.
  2.  
  3. Install the switch mounting screws and the connector on the mast jacket bracket. Install the column-to-dash trim plate.
  4.  
  5. Install the flasher knob and turn signal lever.
  6.  
  7. With the turn signal lever in neutral and the flasher knob out, slide the thrust washer, upper bearing preload spring, and canceling cam onto the shaft.
  8.  
  9. Position the lock plate on the shaft and press it down until a new snapring can be inserted in the shaft groove. Always use a new snapring when assembling.
  10.  
  11. Install the cover and the steering wheel. Torque the steering shaft nut to 30 ft. lbs. (41 Nm).
  12.  

 
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