Question about 1990 Chevrolet C1500

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The ignition key will not turn to the off position on my 1990 Chevy S1500.It turns on okay and runs but will not turn the truck off or lock the steering.

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Hi! This happens to any individual. The cause is that the ignition hole is kinda corroded resulting to stuck up switch. The cure is a wd40. The wd40 has a thin tube that can fit inside the ignition, spray it and leave it for atleast 10mins. to penetrate. Try to move it carefully and you'll notice a smooth turning of the ignition. Hope this helps and have a good one!

Posted on Jul 17, 2010

  • 2 more comments 
  • wobert_king Jul 18, 2010

    I tried the WD -40 with no positive results. The ignition is stuck in the "ON/RUN" position. It turns freely to the START position and returns to the RUN position but I can not turn it to the OFF position. After wiggling it for a while it went to OFF but the next time I started it, it did the same thing. The Key can come out when it's in the run position.


  • dj_relly999
    dj_relly999 Jul 19, 2010

    Alright, Please remove the plastic on the steering column to gain access on the ignition. Try to turn the key and observe whats happening when the key is being turned. Tell me how it goes. Thanks!

  • wobert_king Jul 19, 2010

    Do I have to remove the steering wheel to get the plastic off?

  • dj_relly999
    dj_relly999 Jul 19, 2010

    Its not necessary, the plastic cover is secured by screws and plastic snaps.

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How do I change the ignition switch in my 1990


  1. Disconnect battery ground cable.
  2. Place lock cylinder in the Run position.
  3. Remove steering wheel.
  4. Remove turn signal switch. It is not necessary to completely remove the turn signal switch from the column. Pull switch rearward enough to slip it over the end of the shaft. Do not pull the harness out of the column.
  5. Remove attaching screw and lock cylinder set. Do not drop the screw into the column.
  6. To install, align cylinder key with keyway in housing, as shown in Fig. 1. Push the lock completely inward, install attaching screw and torque to 40 inch lbs., on standard columns, or 22 inch lbs., on tilt columns.

Dec 04, 2009 | 1990 Chevrolet K1500

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Program a new key fob for a 2002 chevy tahoe


1. Close all vehicle doors.



2. Insert the key into the ignition.


3. Hold down the power UNLOCK button on the driver’s door panel-continue to hold
down until instructed to release in step 9.



4. Perform steps 5 through 8 in fairly rapid succession.


5. Turn the ignition switch to the ON position (as far as you can go without starting the
engine).



6. Turn the ignition switch to the OFF position.


7. Turn the ignition switch to the ON position.


8. Turn the ignition switch to the OFF position.


9. Release the power unlock button on the door panel. The vehicle will lock and unlock
the doors automatically.



10. Hold down the LOCK and UNLOCK buttons on the transmitter simultaneously until
the door locks and unlocks.
This step may take up to 30 seconds.



11. Repeat step 10 NOW for each additional transmitter (including any existing
transmitters).



12. Turn the ignition switch to the ON position in order to exit the transmitter programming
mode.




Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

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What is the difference between a lock cylinder and an ignition cy


I think your question may have been cut off. Are you asking about the difference between a lock cylinder and starter switch?

I just changed both on a 1990 Lumina. As you turn the key a rod attached to the lock cylinder slides the starter switch between the different positions: Acc, Off, Run, Start. All the electronics are housed in the starter switch, while the lock cylinder manually places the starter switch in it's different positions. Does that make sense?

Typically new lock cylinders come with a new key.

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Ignition key switch


You have to use a pin or paper lip to insert in hole in igmition switch to release the lock cylinder. The key has to be in "on" position I think.

Removal
  1. Disconnect battery ground cable (14301) .
  1. Turn lock cylinder key to RUN position.
  1. Place a 3.17mm (1/8-inch) diameter wire pin or small drift punch in hole in upper steering column shroud (3530) under ignition switch . Press retaining pin while pulling out on ignition switch to remove it from lock cylinder housing (22074) .
Installation
  1. Install ignition switch by turning it to RUN position and pressing retaining pin. Insert ignition switch into lock cylinder housing . Ensure ignition switch is fully seated and aligned in interlocking washer before turning key to OFF position. This will permit cylinder retaining pin to extend into lock cylinder housing hole.
  1. Rotate ignition switch, using lock cylinder key, to ensure correct mechanical operation in all positions.
  1. Connect battery ground cable.
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The key will not come out of the ignition


Hello!
I am intrigued, I used to have a similar vehicle and there was a button on the steering column that when press with ignition key in the aux position and a little pressure to take key out allowed it to turn all the way.
It is a little difficult as you have to twist it back whilst pressing the button! But it should work.
Hope this FixYa's problem?
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1990 Jeep Cherokee Ignition key replacement


Removal & Installation
Without Air Bag
See Figures 1, 2, 3 and 4
  1. Remove the turn signal switch.
  2. Insert the key in the lock cylinder and turn it to the ON position.
0900c152800a9f7f.jpgFig. 1: Using a pair of needle nose pliers, remove the key warning buzzer switch and contacts from the steering column
  1. Remove the key warning buzzer switch and contacts AS AN ASSEMBLY using needle-nosed pliers, or a paper clip with a 90° bend.
0900c152800a9f80.jpgFig. 2: Lock cylinder retaining screwSome steering columns may have a retaining screw holding the lock cylinder in the column. When servicing this type, simply remove the retaining screw and remove the lock cylinder.
0900c152800a9f81.jpgFig. 3: Using a small thin bladed tool, press in the ignition lock clinder retaining tab ... 0900c152800a9f82.jpgFig. 4: ... then pull out the lock cylinder from the steering column
  1. With the ignition switch still in the ON position, insert a thin screwdriver into the slot adjacent to the switch attaching screw boss (right-hand slot). Depress the spring latch located at the bottom of the slot to release the lock cylinder.
  2. Remove the lock cylinder.
To install:
  1. To install the lock cylinder, turn the key to the LOCK position. Insert the lock cylinder in to the housing far enough to contact the drive tang. Force it inward and move the ignition switch actuator rod up and down to align the components. When the components align, the cylinder will move inward and the spring-loaded retainer will snap into place locking the lock cylinder in the housing.
If the lock cylinder is retained by a screw, tighten the screw to 40 inch lbs. (5 Nm).
  1. Install the key warning buzzer switch.
  2. Follow the ignition switch installation procedures to adjust the ignition switch.
  3. Install the turn signal switch.
With Air Bag
Please refer to the ignition switch removal and installation procedure.50c573d.jpg73cc55f.jpgb9448d0.jpg278f367.jpg

Oct 22, 2008 | 1990 Jeep Cherokee Limited

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Replace ignition tumbler


STEP BY STEP Please Remember to Rate Me Thank You RejakWilson




WARNING: On vehicles equipped with Airbags, disable airbag system prior to performing service procedures.



  1. Disconnect battery ground cable.
  2. Remove steering wheel as outlined under STEERING WHEEL procedure.
  3. Using a screwdriver, pry cover from housing.
  4. Using lock plate compressing No. J-23653 or equivalent, compress lock plate, and pry snap ring from groove on shaft, Fig. 5. Slowly release lock plate compressing tool, then remove tool and lock plate from shaft end.
  5. Slide canceling cam and upper bearing preload spring from end of shaft.
  6. Remove turn signal (multi-function) lever.
  7. Remove hazard warning knob retaining screw, button, spring and knob.
  8. Remove pivot arm.
  9. Wrap upper part of electrical connector with tape to prevent snagging of wires during switch removal.
  10. Remove switch retaining screws and pull switch up from column, guiding wire harness through column.
  11. Reverse procedure to install.



  1. Remove turn signal switch as outlined under TURN SIGNAL SWITCH.
  2. Remove buzzer switch and spring clip. On 1990-92 models, ignition key must be removed from lock to remove buzzer switch. On 1991-92 models, switch and spring clip are one assembly.
  3. Turn lock cylinder to Run position on 1989 models or Lock position on 1990-92 models, then remove lock cylinder retaining screw and the lock cylinder.
  4. To install, rotate lock cylinder to the stop while holding housing. Align cylinder key with keyway in housing, then push lock cylinder into housing until fully seated. Lock cylinder must be in Run position to install buzzer switch.
  5. Install lock cylinder retaining screw, then the buzzer switch, turn signal switch and steering wheel.

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