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Ignition Switch REMOVAL & INSTALLATION 1982–91 Vehicles
The switch is located on the steering column and is completely inaccessible without first lowering the steering column. The switch is actuated by a rod and rack assembly. A gear on the end of the lock cylinder engages the toothed upper end of the rod.
Lower the steering column; be sure to properly support it.
Put the switch in the OFF-UNLOCKED position. With the cylinder removed, the rod is in OFF-UNLOCKED position when it is in the next to the uppermost detent.
Unfasten the two switch screws and remove the switch assembly.
Fig. 1: Removal and installation of the ignition switch and related steering column components — 1990 vehicle shown
Fig. 2: Exploded view of a steering column including the ignition switch — 1990 vehicle with standard column shown
Fig. 3: Exploded view of the steering column including the ignition switch — 1990 vehicle with tilt column shown
Before installing, move the new switch slider (standard columns with automatic transaxle) to the extreme left position. Move the switch slider (standard columns with manual transaxle) to the extreme left position. Move the slider (adjustable columns with automatic transaxle) to the extreme right position and then move the slider one detent to the left (off lock). Move the slider (adjustable columns with manual transaxle) to the extreme right position.
Install the activating rod into the switch and assemble the switch on the column. Tighten the mounting screws. Use only the specified screws, since overlength screws could impair the collapsibility of the column.
one leads to highbeam headlights switch the other leads to the electrical ignition switch that turns on the car and cranks the starter if you test the purple wire on the starter with the key in the crank position you shuold see 12 volts on that purple wire that comes from the ignition switch also try moving the gear selector shifter while holding key to crank could be netural safety switch problem
FIRST OF ALL YOU NEED STEERING WHEEL PULLER.AND LOCK PLATE TOOL J - 23653. GETTING STARTED.DISCONNECT THE NEGATIVE BATTERY CABLE.REMOVE THE LOWER TRIM PANEL.REMOVE THE STEERING COLUMN RETAINING BOLTS.LOWER THE STEERING COLUMN ASSEMBLY TO GAIN ACCESS TO THE SWITCH RETAINING SCREWS.BECAREFUL DONT DAMAGE THE COLLAPSIBLE COLUMN.MAKE SURE THE SWITCH IS IN THE LOCK POSITION.IF THE LOCK CYLINDER IS OUT PULL THE SWITCH ROD UP TO THE STOP THEN GO DOWN 1 DETENT.REMOVE THE ELECTRICAL CONNECTIONS FROM THE SWITCH.REMOVE THE SWITCH RETAINING SCREWS.REMOVE THE SWITCH FROM THE COLUMN.INSTALLATION IS THE REVERSE OF THE REMOVAL PROCEDURE.BEFORE INSTALLATION MAKE SURE THE SWITCH IS IN THE LOCK POSITION.WARNING USE ORIGINAL SCREWS.IF YOU USE TOO LONG SCREWS IT WILL PREVENT THE COLUMN FROM COLLAPSING ON IMPACT. NOW IF YOU ARE REMOVING THE IGNITION LOCK CYLINDER.DISCONNECT THE NEGATIVE BATTERY CABLE.REMOVE STEERING WHEEL.USING A STEERING WHEEL PULLER AND LOCK PLATE TOOL. J-23653 REMOVE THE TURN SIGNAL SWITCH. IT IS NOT NECESSARY TO COMPLETELY REMOVE THE SWITCH FROM THE COLUMN. PULL THE SWITCH REARWARD FAR ENOUGH TO SLIP IT OVER THE END OF THE SHAFT BUT DO NOT PULL THE HARNESS OUT OF THE COLUMN.TURN THE LOCK TO RUN.REMOVE THE LOCK RETAINING SCREWS.AND REMOVE THE LOCK CYLINDER.NOTE IF THE RETAINING SCREW IS DROPPED ON REMOVAL.IT MAY FALL INTO COLUMN REQUIRING COMPLETE DISASSEMBLY OF THE COLUMN TO RETRIEVE THE SCREW.TO INSTALL. ROTATE THE KEY TO THE STOP WHILE HOLDING ONTO THE CYLINDER.PUSH THE LOCK ALL THE WAY IN.INSTALL THE SCREW TIGHTEN THE SCREW TO 40 INCH LBS FOR REGULAR COLUMNS 22 INCH LBS FOR ADJUSTABLE COLUMNS.INSTALL THE TURN SIGNAL SWITCH AND STEERING WHEEL.WARNING THIS JOB IS A SKILL LEVEL B MEANING YOU MUST HAVE BASIC KNOWLEDGE OF COMPLEX SYSTEM.DONT DO THIS JOB IF THIS IS YOUR FIRST TIME WORKING ON A VECHICLE.
it is on the top of the steering column in the truck cab.remove battery cables. remove the lower portion of you dash.loosen the bolts on the plate that holds your column up to the dash. the column will pull down some. you may have a gear indicator tab/string that needs to be undone. remove column clamp blots all the way. the switch is on the top, it has a rod that moves and is postioned on the column. remove old switch, install new switch in th position where the old on was
Underneath the dash, follow the steering column and you'll find a square longer-type switch with an electrical connector on one side and a rod coming out of the end of it going towards the dash. It's held on by 2 quarter inch (or smaller) bolts. Remove the connector, remove the two screws, and slide the switch out of the rod. Install reverse of removal.