GM Grand Am/Achieva/Calais/Skylark/Somerset 1985-98

Turn Signal Switch

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REMOVAL & INSTALLATION



1985-91 Vehicles

See Figures 1, 2, 3 and 4

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Fig. Fig. 1: Use a suitable lock plate compressor tool when removing the shaft lock



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Fig. Fig. 2: To access the turn signal switch, these parts must be removed



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Fig. Fig. 3: Early model wiring protectors are removed by pulling downward on the tabs



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Fig. Fig. 4: Removing the turn signal switch from the steering column

  1. Disconnect the negative battery cable.
  2.  
  3. Matchmark and remove the steering wheel.
  4.  

If necessary, the steering column may be removed for this service, but turn signal switch replacement should be possible with the column installed on most vehicles covered by this information guide.

  1. Insert a small prytool into the slots between the steering shaft lock plate cover and the steering column housing, then pry upward to remove the cover from the lock plate.
  2.  
  3. Position a lock plate compressor tool such as J-23653-A or equivalent, by screwing the tool's center shaft onto the steering shaft (as far as it will go), then screw the center post nut clockwise until the lock plate is compressed.
  4.  
  5. Pry the locking plate snapring from the steering shaft slot.
  6.  

If the steering column is being disassembled on a bench, the steering shaft is free to slide out of the mast jacket when the snapring is removed.

  1. Carefully release and remove the lock plate compressor tool, then remove the lock plate.
  2.  
  3. Loosen the retaining screw, then remove the turn signal lever.
  4.  
  5. Remove the hazard warning knob; press the knob inward and then unscrew it.
  6.  
  7. Remove the turn signal switch assembly-to-steering column retaining screws.
  8.  

Whenever wiring and connectors must be pulled through the steering column, attach a length of mechanic's wire to the connector before beginning. Once the wiring and connector has been pulled through the column, leave the length of mechanic's wire in place (through the column) so it can be used to draw the connector back into position during installation.

  1. Pull the switch connector out of the bracket on the jacket and feed the switch connector through the column support bracket. Pull the switch straight up, guiding the wiring harness through the column housing and protector.
  2.  
  3. If equipped with a tilt column, position the housing in the "low" position.
  4.  
  5. Remove the wiring protector by pulling downward and out of the column using a pair of pliers on the tab provided.
  6.  
  7. Remove the switch and wiring harness from the column.
  8.  

To install:

If positioned during removal, the length of mechanic's wire may be used to help route the wiring harness.

  1. Install the turn signal assembly to the column by first routing the connector harness:
    1. On non-tilt columns, be sure that the electrical connector is on the protector, then feed it and the cover down through the housing and under the mounting bracket.
    2.  
    3. On tilt columns, feed the electrical connector down through the housing and under the mounting bracket, then install the cover onto the housing.
    4.  

  2.  
  3. Position the turn signal and clip the connector to the bracket on the jacket. Secure the turn signal using the retaining screws, then install the trim plate.
  4.  
  5. Install the hazard warning knob, then install the turn signal lever and retaining screws.
  6.  
  7. Position the turn signal in the Neutral or non-signaling position, then pull out the hazard warning knob to the hazard ON position.
  8.  
  9. Install the washer, upper bearing preload spring and the canceling cam onto the upper end of the shaft.
  10.  
  11. Position the lock plate and a NEW snapring over the shaft, then position the compressor tool. Use the tool to compress the lock plate as far as it will go, then slide the new snapring down the shaft and into the groove. Carefully release the compressor tool and make sure the lock plate is properly positioned.
  12.  
  13. Snap the lock plate cover into position.
  14.  
  15. Align and install the steering wheel.
  16.  
  17. Make sure the ignition is OFF , then enable the SRS system and/or connect the negative battery cable.
  18.  

1992-98 Vehicles

See Figure 5

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Fig. Fig. 5: Turn signal switch mounting detail-1992-98 vehicles

This procedure covers removal and installation of the headlamp, headlamp dimmer switch, turn signal and hazard switches, as well as the cruise control switch.

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the steering wheel. For details, please refer to the procedure earlier in this section.
  4.  

If necessary, using locking pliers with a piece of rubber (such as a spark plug boot) between the jaws to help prevent damage to the tilt lever during removal.

  1. If equipped, remove the tilt lever from the steering column by grasping the lever firmly and twisting counterclockwise, while pulling it from the column.
  2.  
  3. Remove the upper and lower steering column covers.
  4.  
  5. Remove the damper assembly, then unfasten and remove the switch assembly from the vehicle.
  6.  

To install:
  1. Position and secure the switch assembly.
  2.  
  3. Install the damper and the upper and lower steering column covers.
  4.  
  5. If equipped, attach the tilt lever to the column.
  6.  
  7. Install the steering wheel.
  8.  
  9. Connect the negative battery cable.
  10.  

 
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