Question about 1994 Jeep Grand Cherokee

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I have a 94 cherokee coutry w/inline 6. When I

I have a 94 cherokee coutry w/inline 6. When I turn the key i get nothing but the hum of the fuel pump and a little clicking under the hood. I have replaced the cap, rotor, plugs, alternator, fuel filter, and battery as well as had the starter tested. If I jump the starter the engine turns but wont start. I have no idea on where to go from here any help would be great..
Thank you
John

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  • johnwojcik14 Apr 15, 2009

    To clarify the jeep does not start it turns but won't start and the only way I can get the engine to turn is to jump the starter[cross the starter w/screwdriver]. When I use the key I get nothing but a click. If I jump the starter I get the engine to turn but not start. Hope this helped clarify!

  • johnwojcik14 Apr 15, 2009

    the key is in the run position

  • Roberta Smith
    Roberta Smith May 11, 2010

    when you jump the starter is the key in the start position or run position i guess would be another name for it.

  • Roberta Smith
    Roberta Smith May 11, 2010

    well the fact that it turns over when you boost it indicates your battery is dead or dying and needs to be replaced.... that may solve the starting problem as well

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First place to look is in the wires from the battery to the starter and the battery to the ground... got corrosion? this can really choke off the flow of electricity to the vehicle... check both ends of the starter cable and the ground from battery to frame (or block or trans) any kind of green or white deposits indicate it's time for new ones... this can be tricky because the corrosion can be inside the insulation on the wires... if corrosion is bad enough even a jump won't start the vehicle as not enough voltage will reach the coil... if the wires are good then it's time to check the coil and it's wiring... if you aren't real savvy at testing components with a meter then replace the coil (assuming good wiring) and test for spark by holding coil wire about 1/4inch from the block or any good ground while turning engine... you should see a nice blue spark... hope this helps...;-)

Posted on Apr 15, 2009

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