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Reset the onboard computer

I have a 1993 Jeep Grand Cherokee My onboard computer says "rear lamp failure",I replaced ALL the light bulbs.The owners Manual says to "cycle " thru the ignition to reset. How do I "cycle " thru the ignition?

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They mean to turn the ignition key from lock to run (don't turn it all the way to start) and back to off a few times. It's like restarting your computer after installing updates. Or you can unhook the negative battery cable for a couple of minutes to clear the codes from the computers memory.

Posted on Sep 13, 2009

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If you need tha owners and repair manual about your ZJ Grand Cherokee, just keep in touch and send me one comment.

Hope this helps (remember to rate this answer).

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