Question about 1994 Jeep Wrangler

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Ignition on jeep yj will not start engine. all

Ignition on jeep yj will not start engine. all other electrical works. when i turn the key. nothing happens

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  • jmullins87 May 11, 2010

    When you say "I turn the key. nothing happens", do you mean literally nothing happens, or the engine turns over but doesn't start? What about any other noises when you try to start it?

  • Tom Walsh Aug 08, 2013

    There are no noises. All lights come on, the navigation screen boots up, and nothing happens when I turn the key. No engine sounds at all.



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Before blaming the starter make sure the battery is fully charged. It should be around 13V.
Starter circuits for the most part operates in the following way. Turning the ignition key supplies power to a relay situated in the engine compartment which in turn activates the solenoid on the starter which powers the starter itself.
Make sure your vehicle is in Neutral(Manual gearbox) or Park(Auto box) Locate the starter motor. On the starter there is another cylinder like object called the solenoid. There is a thick red wire running from the battery connected to this. There is also a much thinner wire which activates the solenoid. To test the starter run a wire from the + on the battery to where the thin wire connects on the solenoid. (ignition must be off) This should activate the starter and turn the engine. If nothing happens the starter is probably at fault. Before removing the starter make sure that the engine is properly earthed as this could also give problems.
If the starter does kick in the problem is further "upstream" Most probable cause would be the relay. If you can locate it, replace since it is relatively cheap.
Starter repair is best left to the experts. Get a quote for a new starter before you have the old one repaired. You'd be surprised at how many times it turns out that replacement costs the same as repair.
Let us know if you've solved the problem.

Posted on Dec 10, 2009


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You either have a bad ignition switch or a bad startermotor. You can have the starter motor checked at your local auto parts store. Please rate my answer.

Posted on Dec 09, 2009

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Try taking the nuts off your starter and cleaning your connections with sandpaper shoot wd-40 on them then tighten the clean connections back together. Make sure you DC the battery first.

Posted on Dec 07, 2010

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