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71 Dauntless Ignition Cuts Out After 20 Minutes

Discussion in 'Early CJ5 and CJ6 Tech' started by Roseand, May 18, 2017.

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  1. May 22, 2017
    Roseand

    Roseand New Member

    Wisconsin
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    Replaced switch, no spark. Replaced coil, no spark
     
    Roseand, May 22, 2017
    #41
  2. May 22, 2017
    Focker

    Focker That's a terrible idea...What time? Staff Member

    WA
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    Gospel
     
    Focker, May 22, 2017
    #42
  3. May 22, 2017
    47v6

    47v6 junk wrecker! 2023 Sponsor 2022 Sponsor

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    Make sure you have continuity on all wires and if so, condenser next
     
    47v6, May 22, 2017
    #43
  4. May 22, 2017
    Roseand

    Roseand New Member

    Wisconsin
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    Is there any way to test the condenser without replacing? Not sure anyone has a local one for a prestolite
     
    Roseand, May 22, 2017
    #44
  5. May 22, 2017
    47v6

    47v6 junk wrecker! 2023 Sponsor 2022 Sponsor

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    47v6, May 22, 2017
    #45
  6. May 22, 2017
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
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    You are cranking the engine while doing the spark test, right?
     
    Glenn, May 22, 2017
    #46
  7. May 22, 2017
    Roseand

    Roseand New Member

    Wisconsin
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    Yes, of course lol.
    OK, sanded points, did nothing. Where the rotor contacts the distributor cap was dirty, I sanded it and jeep started right up. That seem possible?
     
    Roseand, May 22, 2017
    #47
  8. May 22, 2017
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
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    Yes it does/is. Good catch. Now to see how long it stays running. :)
     
    Glenn, May 22, 2017
    #48
  9. May 22, 2017
    Roseand

    Roseand New Member

    Wisconsin
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    Oh for sure! I don't have time for a couple hours or so. I did sand the points a little and it does run worse. Idles good but breaks up when revving it. I measured dwell and its at 22-24 degrees and the sticker under my hood says it should be 30. Would that make a difference?
     
    Roseand, May 22, 2017
    #49
  10. May 22, 2017
    Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    Yep
     
    Walt Couch, May 22, 2017
    #50
  11. May 22, 2017
    47v6

    47v6 junk wrecker! 2023 Sponsor 2022 Sponsor

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    Order all new ignition parts and set all of it correctly. I bet your issues will disssapear.
     
    47v6, May 22, 2017
    #51
    Roseand likes this.
  12. May 22, 2017
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
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    Agree 100%.
     
    Glenn, May 22, 2017
    #52
    Roseand likes this.
  13. May 22, 2017
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    After sanding points (lightly) it is important to wipe them clean of any particles, such as swiping a clean piece of card or paper between them.
     
    PeteL, May 22, 2017
    #53
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  14. May 22, 2017
    Roseand

    Roseand New Member

    Wisconsin
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    Cleaned them off and now it runs great!!
     
    Roseand, May 22, 2017
    #54
  15. May 22, 2017
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
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    Good catch PeteL. A little cleanliness goes a long way with ignition systems and of course anything electric in general.
     
    Glenn, May 22, 2017
    #55
  16. May 22, 2017
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
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    You're quickly learning about points ignition systems! :)
     
    Glenn, May 22, 2017
    #56
  17. May 22, 2017
    Daryl

    Daryl Sponsor

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    HEI
     
    Daryl, May 22, 2017
    #57
  18. May 22, 2017
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    Yeah, well, I learned it the hard way! But I'll never forget.
     
    PeteL, May 22, 2017
    #58
  19. May 22, 2017
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
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    X2 on that. Oooops. :D
     
    Glenn, May 22, 2017
    #59
  20. May 22, 2017
    Roseand

    Roseand New Member

    Wisconsin
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    So, I think originally I was running out of gas(and having carb issues period) and had a faulty ignition switch. Today, I seriously went back and forth on a road 1/4 mile long for about an hour.. Longest I shut it off was a couple minutes.
    I took her on a public roadway and let her rip after she ran for an hour and a 15 minute cruise and I didn't get stranded! My odometer is off due to tire size so I'd say 25-30 total miles I put on total with well over an hour run time.
    I do believe I either have some water in the carb or need to rebuild it. I'm ordering some stuff from rockauto and I'll order me up a carb kit as well.
    Thank you guys for the absolutely amazing amount of help!
     
    Roseand, May 22, 2017
    #60
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