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Disconnect the negative battery cable. Remove the upper steering column shroud by removing the self-tapping screws.
Unfasten the four bolts retaining the lower steering column shroud, then remove the shroud.
Remove the lock screw, and detach the ignition switch electrical connector.
Rotate the ignition switch lock cylinder to the RUN position.
Remove the two screws retaining the ignition switch, and disengage the ignition switch from the actuator.
A new replacement switch will be set in the RUN position as received.
Adjust the ignition switch by sliding the carrier to the ignition switch run position.
Check to make sure the ignition switch lock cylinder is in the RUN position. The RUN position is achieved by rotating the ignition switch lock approximately 90 degrees from the LOCK position.
Install the ignition switch assembly into the column actuator hole. It may be necessary to move the ignition switch slightly back and forth to align the ignition switch mounting holes with the lock cylinder housing threaded holes.
Install the retaining screws and tighten to 53-71 inch lbs. (6-8 Nm).
Attach the electrical connector to the ignition switch. Tighten the lock screw to 7-11.5 inch lbs. (0.8-1.3 Nm).
Connect the negative battery cable. Check the ignition switch for proper function, including the START and ACC positions. Also, make sure the column is in the LOCK position.
Install the upper and lower steering column steering shrouds.
fuel filter is on passenger side of car just past the engine. along metal flange just below door underneath car you will see a metal sleve there should be 1 to 2 bolts holding it on. when removed you will see a metal cylinder. don't pull it out. other wise you will be getting gas in the face. locate high power fuse under hood from High Power fuse block. What I did for my fix was look into car manual and locate proper fuse turn on car then I removed fuse car shuts down . No gas pressure in line I would then turn ignition key off. once filter is removed there will be some gas leakage. keep in mind there is an in let side and an out let side to the filter. It goes back on the same way it is taken off!
This should help.
1989-91 Ford Thunderbird Stereo Wiring
5" x 7" Doors
Left Front (+)
Left Front (-)
Right Front (+)
Right Front (-)
5" x 7" Side Panels
Left Rear (+)
Left Rear (-)
Right Rear (+)
Right Rear (-)
Before going to get it fixed. Spray some WD-40 into the ignition cylinder where you put the key in and let it soak. The lock tumblers may just be stuck and need lubrication. If thet fails then call a ford dealer and ask how much for a coded (this means the key will match your existing key and also open your doors) and an uncoded ignition cylinder ( key will turn the ignition but you will need your old keys to open the doors) The Ford keys were designed where one half of the key operated the locks and the other half operated the ignition. If you buy a new ignition key and cylinder it will only be half cut to operate just the ignition. The cost of all this differs dealer to dealer, and don't forget that there are locksmiths in you yellow pages that will do this also
Hope this helps
Insert each ignition wire on proper terminal of distributor cap . Ensure ignition wires are properly seated on the terminals. The No. 1 terminal is identified on distributor cap .
not sure if #1 cylinder is on the front right or front left. Call a dealer.
Before installing distributor , visually inspect distributor . Inspect the O-ring. It should fit tightly and be free of cuts. The drive gear should be free of nicks, cracks and excessive wear. Rotate distributor drive shaft. It should move freely, without binding.
To install distributor correctly, No. 1 piston (6108) must be at Top Dead Center (TDC) of compression stroke. Remove No. 1 cylinder spark plug (12405) and rotate crankshaft (6303) clockwise until No. 1 piston is on the compression stroke.
With No. 1 piston on compression stroke, align timing pointer with TDC on the crankshaft damper.
Align locating boss on distributor rotor with hole on armature. Fully seat distributor rotor on distributor shaft.
Rotate distributor shaft so blade on distributor rotor is pointing toward mark on distributor base that was previously made in Step 2 of the Removal procedure.
While installing, continue rotating distributor rotor slightly so leading edge of the vane is centered in vane switch stator assembly.
Rotate distributor in engine front cover to align leading edge of vane and vane switch stator assembly. Verify distributor rotor is pointing at No. 1 mark on distributor base.
If vane and vane switch stator cannot be aligned by rotating distributor in engine front cover , remove distributor enough to just disengage distributor gear from camshaft gear. Rotate distributor rotor enough to engage distributor gear on another tooth of camshaft gear. Repeat Step 1 if necessary.
Install distributor hold-down clamp and bolt. Tighten bolt, but leave it loose enough to rotate distributor .
Install distributor cap , No. 1 spark plug and ignition wires. Check that ignition wires are securely connected to the distributor cap and spark plugs . Tighten distributor cap hold-down screws to 2.0-2.6 Nm (18-23 lb-in).
Reconnect distributor to engine control sensor wiring .
Set initial engine ignition timing according to procedures found in Section 8A of the Powertrain Control/Emissions Diagnosis Manual.
After engine ignition timing is set, tighten distributor hold-down bolt on to 20-30 Nm (15-22 lb-ft).
Recheck initial engine ignition timing. Adjust if necessary.