Question about 1984 Jeep CJ7

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Electrical short Seems to be a dead short somewhere. Sometimes it cranks, sometimes it's completely dead. After cranking, it dies while going down the road and then starts again. Replaced all battery cables, selenoid is fine. Any ideas on what to check next?

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  • nicky777 Oct 15, 2008

    What about the ignition module? Would these symptoms be common to a faulty ignition module or does that just die completely?

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Pull one fuse at atime from the fuse box and use a ohm (continuity) meter check for ground. the better sulotion is to get a electrical diagram form the FSM (Factory Service Manual) or go to lib and see if you can get a copy of the diagram.
Start from the starter key check all main wires. and then the econdary wire.
time consumming job. but you will find it.

good luck

Posted on Oct 15, 2008

  • Frank
    Frank Oct 15, 2008

    igination moduler will not have the symtom that you have. either it is good or bad. if it is dead. you will not be able to start it again.

    test it with one end of the high votlage wire coming out of the coil. with a screw driver and have someone crank the engine. see when the spark happen. if it fire at all.

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