GM Full-Size Trucks 1970-1979 Repair Guide

Ignition Switch

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REMOVAL & INSTALLATION



1970-72 Vehicles
  1. Disconnect the battery ground cable.
  2.  
  3. Remove the lock cylinder by positioning the switch in ACC position and inserting a thin piece of wire in the small hole in the cylinder face. Push in on the wire and turn the key counterclockwise until the lock cylinder can be removed.
  4.  
  5. Remove the metal ignition switch nut.
  6.  
  7. Remove the ignition switch from under the dash and remove the wiring connector.
  8.  
  9. To remove the theft-resistant connector, the switch must be removed from under the dash. Use a small screwdriver, unsnap the locking tangs on the connector, and unplug the connector.
  10.  
  11. Installation is the reverse of removal.
  12.  

 
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