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Old 05-16-2011, 08:33 PM   #1
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wierd electronic problem??

Hey guys,
For the last 2 days Ive been having something strange happen when I start up my 2002 TJ Sahara.
As soon as I turn the key and start the ignition, the airbag light turns on, i hear a beep and the A/C wont work.
I shut the engine off, wait a few seconds then fire it up again and the probem goes away.
Has anyone else experienced something like this and know what it may be?
Im overseas so dont have the luxury of Jeep dealer (or anyone with Jeep knowledge) to help me out.

Thanks

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Old 05-16-2011, 11:35 PM   #2
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is the key getting worn out? i had an old saturn where the key was so worn the car would start but it would still be halfway between position 2 and 3 so the lights would stay on freaking me out.

do you have a spare? this seems like a weird isssue, but it has to be more simple then you think.... good luck and keep us updated.

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Old 05-17-2011, 08:42 AM   #3
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Thanks, I am still using the original 2002 key, so i'll try the spare key later tonight and post what happens.
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Old 05-17-2011, 08:57 AM   #4
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Or take a peek at the actual ignition switch, not the key cylinder.
Should be down low on the steering column. The key part drives a rod that engages the switch. It could be that with wear and tear, the switch is sticking and not fully releasing from "start" to "run".

Simple spring loaded plunger switch, the rod pushes the switch plunger to engage the start function, when you let off the key the switch plunger springs back to the run position.

And on that note, make sure the key is actually returning to the run position, when you let go of it.

If you want, shoot some PB Blaster/WD40 into the lock cylinder, where the key goes, and try working the cylinder back and forth a few times to see it it helps.
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God I miss that Jeep. Forgot the kinda Jeep, 80 SX4.
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Old 05-17-2011, 09:05 AM   #5
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Is it possible that there is an issue with the airbag system? I think most run a self check each time they are started. IDK-sorry no help-maybe someone else can debunk or verify that it may be running a systems check? As far as the A/C with more thinking on this the other posters are probably correct. Maybe if you can get it cleaned-lubricated it will solve the issue? GOOD LUCK!!
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