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Thread: need a wiring god

  1. #1
    Junior Member krazygrunt92's Avatar
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    Default need a wiring god

    bout a jeep that somone didnt finish wiring the engine. the jeep was a 2.5 and they swapped the engine out and put a 4.2 in it the jeep has the donor computer engine wiring harrness and the cab harness hooked up but i found wires that arent hooked up to anything and the engine doesnt start or do anything the only things that works is the head lights and 4 ways thats it. need some help to get this beast running. could use some pictures if you have a 4.2 of the engine

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    Mountain Valley Customs
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    We can take care of it for. I can't give you an estimate on price though since I don't know how much time and/or material we'll have into it.
    Mountain Valley Customs www.mvcustoms.com 570.217.7284
    Specializing in 4x4s and custom fabrication


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    Junior Member krazygrunt92's Avatar
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    i know i can bring it to you guys and it will be done right but i dont have that kinda cash right now laying around do spend on wiring

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    Got Beer airforce26yrs's Avatar
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    It would be kind of hard to help you with this problem over the net as there are so many things to hook up. All I can suggest is to make sure the major components are all wired. I.E. starter, ignition system (coil, plugs, computer, ignition switch). Is it fuel injected, electric fuel pump?
    I'm Mike, make sure you spell it right, because I do not want to get the wrong A$$hole in trouble.

    If you do not have time to do it right the first time, how do you have time do do it over?

    www.jeepforum.com michiganmaveric

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    Senior Member HillBillE's Avatar
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    Quote Originally Posted by airforce26yrs View Post
    It would be kind of hard to help you with this problem over the net as there are so many things to hook up. All I can suggest is to make sure the major components are all wired. I.E. starter, ignition system (coil, plugs, computer, ignition switch). Is it fuel injected, electric fuel pump?

    The 258 (4.2) if stock, will be carberated and have a mechanical fuel pump on the block (passenger side, under the alternator)

    Does it turn over?

    If not, start there. Check and double check the grounds!

    If it turns over, is there spark?
    (check your other post for the 'Nutter Bypass link)

    Is it getting fuel?

    It is hard to diagnose/help over the net Wish I was closer to ya.

    I'll try and see if I still have a wiring schematic for the 4.2, you should also pick up a Chiltons or Haynes manual for your Jeep (either CJ or YJ) it will have the basic wiring diagrams it, they run around 15-20 bucks at most auto parts stores.


    As long as the people remain armed,
    government knows that it cannot rule over the people by force.
    Those who stand in defiance of unconstitutional laws
    do so out of duty, honor, oath and love of country.


    "Certified Jeep Junky!"


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    Junior Member krazygrunt92's Avatar
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    i have my manual but alot of wires hard to take it all in and follow the right wire no i dont get anything at all i put a screw driver to the starters pos and neg and its getting juice but doesnt seem to be engaging the flywheel just spins. i have a guy coming sunday to get it running said he will have it running by sunday he wires my dads hover crafts up for him so he must be good thanks for all the help

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    Senior Member HillBillE's Avatar
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    Quote Originally Posted by krazygrunt92 View Post
    ........ and its getting juice but doesnt seem to be engaging the flywheel just spins.
    Thats either a stuck/bad bendix, or the wrong starter. (bolted up the wrong starter a few times myself)

    Good luck this weekend! Let us know how it turns out!

    HB


    As long as the people remain armed,
    government knows that it cannot rule over the people by force.
    Those who stand in defiance of unconstitutional laws
    do so out of duty, honor, oath and love of country.


    "Certified Jeep Junky!"


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