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I am sorry that you have not been helped yet. I just came online and saw your question
I may be confused by the wordage, but do you mean that the ignition is from a different year and make vehicle than your 90 Mustang? If so, what is it from? And is the cylinder housing from your 90 Mustang or is it different as well
Ok, can you get me the part number from the LMR lock cylinder so I can do a cross reference to make sure it is the correct one
Ok, what I show behind the lock cylinder that is inside the cylinder housing it goes into is a retainer, bearing and gear. I have attached a diagram showing them. If you look closely, you can see slot holes in them that the end of the lock cylinder should slide into. Most likely one of them has turn and not lining up.
Use a flashlight to look into the housing on yours and see if the slots all line up and use a thin, long pick tool to turn them and line them up
Ok, let me know if it works or not and I will try to find anything else that could cause it to not seat all the way
Sorry I could not help get it resolved. I will contact customer service for the refund
New Expert here. Why did you replace the ignition lock cylinder?Basically did you have problems with the original one to make you replace it?
Ok. The problem is not the ignition key cylinder that you are replacing. More than likely it is the ignition switch itself. The electrical part. They are prone to coming apart causing several electrical issues. Can you reinstall the original key cylinder in the steering column?
see the pictures below.
Look at the key cylinder. On the end is a tab that on one side has a small point sticking up. Then look into the opening it slides into. There is a plate and a gear that must line up with that tab. Use a small pocket or flat blade screwdriver to line them up and then turn the key cylinder to the on position while pressing on the release pin. When the pin goes in, leave it in that position and then align the slots on the side of the key cylinder with the slots in the steering column opening. Then locate the tab on the key cylinder and see where the small point is located and try to line it up. Then insert the cylinder and slightly wiggle it. See if it goes all the way is. Then turn the key to on and then all the way off and back to on to seat it.
Your welcome. Please keep me informed.
No problem. I understand. Please let me know if you need any more assistance with this.