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Old 01-25-2010, 04:05 PM
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Jeep Ignition cranks too early

Hi, I have a 93 Jeep Grand Cherokee that came with no keys. I took the lock cylinder from the door and the Ignition to the locksmith to have keys made. They replaced something that was broken in the ignition cylinder.

I installed the ignition back into the steering column and connected everything, now when I turn the key to start the engine, it cranks one click too soon. It cranks in the RUN position. So it starts then keeps cranking.

I don't think its a miss alignment from the lock cylinder to the steering column because the cylinder doesn't need to be in the steering column to work, it behaves the same in the column or out as long as the wiring is connected.

Could it be when the locksmith replaced the broken part he assembled it wrong?

Thanks

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Old 01-27-2010, 03:14 AM
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Sounds like it wasn't assembled correctly, contacts misaligned.
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Old 01-27-2010, 05:21 AM
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Sounds like you need to adjust the actual ignition switch's position on the column under the dash, the switch run by the rod from the lock cylinder. Its mounting holes are slotted for this reason.

If you turn the lock cylinder backwards to the Accessory position, does it power up the accessories?? If not this points directly to the ignition switch underneath the dash on the column.

Could also be just a crazy coincidence that the switch has failed inside, I had a friend who changed the lock cylinder then had a no crank situation he couldn't figure out, the switch just up and "decided" to fail at the same time he was replacing the lock cylinder. Strange but true
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Old 01-27-2010, 04:04 PM
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you have the start wire and the run wires reversed connected at the switch....
you have the start wire is on the "run" connect and run wire is on the "start" connect...

just reverse them...
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Old 01-27-2010, 04:57 PM
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I would guess that the gears that run the ignition switch are out of time. Usually on the piece the actual cylinder goes into there is teeth on the outside and they mesh with a rack type gear that is on the rod that controls the ignition switch. If you had that gear come out when you pulled the ignition out you are probably a tooth or two off. I would remove the cylinder and cylinder gear, pull the rack up until the wheel is locked and then adjust the gear so the cylinder goes in in the locked position.
I would check this first as this is what you messed with. I would not touch any wires unless you know for sure they have been moved in the connector. This is highly unlikely.
I am assuming you had to go through some work to remove the cylinder as they are usually not designed to come out in the locked position. This is why my bet is the gears are wrong
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Old 01-28-2010, 09:34 AM
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The Ignition switch was out of time, thanks everyone for your replies, you've all been very helpful.



Niko
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