Ignition Switch: Service and Repair

1. Disconnect battery ground cable.
2. Remove two screws securing steering column cover and remove cover.
3. Remove steering wheel, horn contact and spring.
4. Disconnect wiring harness connectors from combination switch, remove three screws securing switch to column and remove combination switch.

Fig. 2 Ignition switch & steering lock installation.:

5. Pry off lock washer ``A'', Fig. 2, relieving spring tension carefully. Pull out contact ring ``C'', Fig. 2, and remove bolt securing ignition lock assembly to tube.
6. Remove ignition lock and switch assembly from tube ``F'', Fig. 2.

Fig. 1 Ignition lock cylinder removal diagram. A = .500 inch 4000, & B = .375 inch 4000 & Coupe & .3125 5000 models.:

7. Drill hole in lock housing as shown in Fig. 1, using a 1/8 inch drill bit.
8. Insert punch into hole to depress spring, turn ignition key slightly to right, and pry lock cylinder from housing.
9. Noting correct key position, insert new lock cylinder into housing until spring snaps into position.

Fig. 3 Ignition switch retaining screw (arrow).:

10. Remove screw, Fig. 3, and ignition switch from housing.

Fig. 2 Ignition switch & steering lock installation.:

11. Push new steering lock and ignition switch assembly ``D'', Fig. 2, onto steering column tube to stop and install retaining bolt.
12. Push support ring ``E'', Fig. 2, onto steering shaft ``G'', and fit shaft into tube ``F''.
13. Push contact ring ``C'' onto steering shaft to stop and install spring ``B'', Fig. 2, and lock washer ``A'', fully compressing spring.
14. Reverse procedure to install combination switch, steering wheel and covers.