Question about 1989 Jeep Cherokee

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I have a 1989 Cherokee limited 4x4, it stopped running , just stopped. I've changed the distributor cap, rotor ,crank sensor, ballast resistor, no luck. I've got It to crank but it will not stay running unless you hold the key, not releasing it to the run position.It's getting fuel and good spark to the plugs, could something be wrong with the ignition?

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  • mcqueen139 Mar 03, 2009

    Thanks, that was the next thing, needed to see if I was on the right track. I'll let you know what happens,
    Mark


  • mcqueen139 Mar 04, 2009

    Well guys I changed the ignition switch and the problem is still here. I'm to my wits end with this thing. I did notice the oil pressure gauge is pegged, could there be a pressure problem to cause this problem??

  • mcqueen139 Mar 04, 2009

    Thanks for all your input
    Mark


  • mcqueen139 Mar 05, 2009

    I get started and I'll get back to ya,thanks.
    Mark


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YES I WOULD VERY MUCH AGREE THAT THE IGNITION SWITCH IS DONE. BUY A NEW ONE AND INSTALL AND PRETTY SURE PROBLEM WILL GO AWAY. LET ME KNOW WHAT YOU FIND OUT AND IF I CAN HELP IN ANY WAY

Posted on Mar 03, 2009

  • brian tessereau Mar 03, 2009

    THERE IS NOT MUCH TO THE COMPUTERS IN THAT YEAR. SATURNS HAD EXACTLY THE SAME PROBLEM WHEN I WAS STILL WORKING FOR GM. GOOD LUCK, YEA LET ME KNOW.

  • brian tessereau Mar 05, 2009

    well mark im sorry i thought that would have fixed the problem. sometimes without being there onsight can hinder a decision, but what youprobably need to do is start eliminating the wires off the ignition. start by checking power to the back of the switch at the connector. turn the key to accs then to run then to start and make sure the proper wires are getting power at that time. sounds like you have an interruption in power in the run circuit. normally turn the key to the run position and check the signal wire at the starter for power. if you have power there go to the fuse box and find the ignition relay and the fuse and start checking them. you can also go to your local jeep dealer and ask for a wiring diagram print out on the the ignition circuit, sometimes they're a little touchy about giving this to you but they will. this will help a lot. just follow diagram wire colors and start checking all power and ground points. good luck and let me know. we'll figure this out. dont give up yet

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