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Thread: YJ relay question

  1. #1
    Senior Member HillBillE's Avatar
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    Default YJ relay question

    Help a Dummy here

    Tonight I dropped my son off at TKD, it's next to an O'Reillys parts store.

    There was a YJ with the hood up, and he was cranking away, but it wasn't firing off.

    Naturally, I had to stick my head in and help a fellow Jeeper

    The relay that was 'clicking' and acting up, was labeled "Auto Shut Down"

    Don't believe my '99 XJ has this, not positive though.

    Anyway, he replaced that one (after replacing the fuel pump relay)
    And he installed a new fuel pump last week.

    This YJ had a 4.0.

    Thanks for any info! I'm much better at the old CJ's! Spark, fuel, compression-it runs!


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  2. #2
    Experienced General Ass
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    On my 97 ZJ the ASD ( Auto Shut Down ) will keep it from firing. For some reason my ASD looses connection and jeep won't start. I switch it with the horn relay and all is fine.

  3. #3
    Junior Member mrclean's Avatar
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    Quote Originally Posted by HillBillE View Post

    The relay that was 'clicking' and acting up, was labeled "Auto Shut Down"

    Don't believe my '99 XJ has this, not positive though.
    The '99 will have one........all of the fuel inj models have it. Under various conditions, it kills power to the fuel pump, effectively stopping the engine.
    '93 YJ, SOA, 35s, locked front & rear
    '99 Ram tow machine, 5.9 Cummins

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