Thunderbird L4-140 2.3L SOHC Turbo (1984)
Ignition Switch: Service and Repair
Fig. 1 Ignition switch.
1.
Disconnect battery ground cable.
2.
On models equipped with tilt column, remove upper extension shroud by detaching from retaining clip at 9 o'clock position.
3.
On all models, remove steering column shroud attaching screws, then the steering column shroud.
4.
Disconnect ignition switch electrical connector,
Fig. 1, then rotate ignition key lock cylinder to ``Run'' position.
5.
On 1982-86 models, drill out bolt heads that attach switch to lock cylinder housing using a {1-8} in. drill, then remove the two bolts using an
easy-out or equivalent. On 1987-88 models, remove switch to lock cylinder attaching bolts.
6.
Remove ignition switch from actuator pin.
7.
Adjust ignition switch by sliding carrier to ``Run'' position.
A new replacement switch assembly will be preset in ``Run'' position.
8.
Place ignition key lock cylinder in ``Run'' position by rotating cylinder approximately 90° from ``Lock'' position.
9.
Install ignition switch on actuator pin.
Slightly move switch back and forth to align mounting holes with column lock housing threaded
holes.
10.
On 1982-86 models, install switch to lock cylinder housing using new break away bolts and torque bolts until heads break away. On 1987-88
models, install switch to lock cylinder attaching bolts and torque bolts to 50-60 inch lbs.
11.
Connect switch electrical connector.
12.
Install steering column trim shrouds, then check ignition for proper operation.
