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12v jeep prob.

Discussion in 'General Jeep Discussion' started by jeepguy87, Sep 26, 2017.

  1. Sep 26, 2017 at 5:03 PM
    #1
    jeepguy87

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    jeepguy87 [OP] New Member

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    I rebuilt my 2.5 in a 93 jeep yj. Put it in started to wire it up and now i have a 12v constant to block. Every electrical component in engine has been bought new and changed. Just can't find the wire or wires doing this. Any ideas.
     
    jeepguy87, Sep 26, 2017
    #1
  2. Sep 26, 2017 at 6:00 PM
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    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine Moderator

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    What do you mean Constant 12v to block?
     
    chris4x4, Sep 26, 2017
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  3. Sep 28, 2017 at 5:51 AM
    #3
    jeepguy87

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    jeepguy87 [OP] New Member

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    When you put a test light to negative battery terminal and touch anywere on jeep. Block or frame. The light comes on on the test light.
     
    jeepguy87, Sep 28, 2017
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  4. Sep 28, 2017 at 12:26 PM
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    OFFGRID

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    OFFGRID Well-Known Member

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    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    Are you hooked up to your battery correctly. Red cable to the + sign side and Black cable to the - sign side. If so it sounds like you have a bare 12v+ wire touching both the block and the frame.
     
    OFFGRID, Sep 28, 2017
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    Bob likes this.
  5. Sep 29, 2017 at 10:29 AM
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    2oldjeeps

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    2oldjeeps Well-Known Member

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    batt neg is not connected to frame , engine block
     
    2oldjeeps, Sep 29, 2017
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  6. Sep 29, 2017 at 10:32 AM
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    2oldjeeps

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    2oldjeeps Well-Known Member

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    im convinced that most electrical trouble is created by work done wrong or messy wiring, NOT factory failures. components go bad, wires just sit there!
     
    2oldjeeps, Sep 29, 2017
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    Bob, JKBob 25 and chris4x4 like this.
  7. Oct 8, 2017 at 11:28 AM
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    Rambler

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    Rambler Member

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    Did you get this figured out ? Would like to know the outcome.
     
    Rambler, Oct 8, 2017
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    JKBob 25 and chris4x4 like this.
  8. Oct 17, 2017 at 4:50 PM
    #8
    Offroad798

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    Offroad798 Well-Known Member

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    There is a lot of variables in this situation. I checked my shop manual and you should have a body grd and engine grd. Only you know what you fixed spliced or repaired so maybe look at what you may have done in repairs first. Also if you go to the power distribution center and start at one end and pull fuses to you get rid of your voltage reading then pursue that circuit to find the culprit. I listed some pics for you to look at. Let me know if you need any other help.

    d3.jpg
    d1.jpg
    d2.jpg
     
    Offroad798, Oct 17, 2017
    #8
    Prerunner1982 and JKBob 25 like this.
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