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Thread: Cj7 304 no spark

  1. #1
    Registered User
    76 CJ7
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    Nov 2017
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    CJ7 and Duramax
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    Cj7 304 no spark

    Was driving my jeep then shut it off one day and it wouldn’t start back up. No spark, I’ve replaced cap, rotor, ICM, coil, wires and plugs. Last thing is a distributor. Any help? If not what do you recommend when it comes to HEI?? I wanna get this things back up and running. Plz help.

  2. #2
    USMC 6324/6042 6spdYJ's Avatar
    If Johnny Cash had a Jeep, this would be it!
    Join Date
    Jan 2010
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    USA
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    1,174
    Welcome!
    No spark with all of those items replaced leads me to look at connections on each end of each wire going to and from the coil, starter and ICM. If one happened to come off... Check for voltage at the coil. Also, check all of your fuses.
    God forgives, rocks don't
    -sons of thunder

  3. #3
    Parkin' w/the world's best Jeeps
    1985 CJ-7
    Join Date
    Jan 2008
    Location
    Mojave Desert Palmdale, Ca. U.S.A.
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    485
    Run a jumper wire from the POS(+)side of the battery to the POS(+) side of your coil.
    Will it start now?
    If so-Your ign switch is the issue.
    LG
    Hav'n you along, is like loose'n 2 good men....

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