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No spark L head

Discussion in 'Early CJ5 and CJ6 Tech' started by 63junker, Oct 21, 2004.

Page 2 of 2
  1. Oct 21, 2004
    sparky

    sparky Sandgroper Staff Member Founder

    Perth, WA
    Joined:
    Sep 20, 2002
    Messages:
    9,221
    Sounds like you found the issue if you have spark now.

    Just be sure and replace the rotor. R)
     
    sparky, Oct 21, 2004
    #21
  2. Oct 21, 2004
    michigan_pinstripes

    michigan_pinstripes I'm not lost, I'm wandering

    Clarkston MI...
    Joined:
    Aug 20, 2003
    Messages:
    605

    WAIT!!! don't test light the plug wire as it will go ka-blewie! (IIRC --coils fire upwards of 50k volts)

    I think you will be fine with the (-) repair

    BTW --Do some further looking into a Ballast as it will add tremendous life to you points. Full 12-14 volts is hard on the contacts. IIRC, a running engine with 8-9 volts is sufficient.
     
    michigan_pinstripes, Oct 21, 2004
    #22
  3. Oct 21, 2004
    63junker

    63junker Member

    Naples NY
    Joined:
    Sep 27, 2004
    Messages:
    51
    Will a bad coil still produce weak spark ( it didnt hurt that much when I grabbed the wire. Very small shock!!
     
    63junker, Oct 21, 2004
    #23
  4. Oct 21, 2004
    63junker

    63junker Member

    Naples NY
    Joined:
    Sep 27, 2004
    Messages:
    51
    she still isnt firing guess I'll try a coil!
     
    63junker, Oct 21, 2004
    #24
  5. Oct 21, 2004
    michigan_pinstripes

    michigan_pinstripes I'm not lost, I'm wandering

    Clarkston MI...
    Joined:
    Aug 20, 2003
    Messages:
    605
    It's the amps that kill ya ;)

    A shock from the interior of your car will also produce upwards of 50k volts but it only has mili-amps

    I think your coil is fine. My L-head also has a faint spark but has an exceptionally tight plug gap. I don't have my manual here so I don't remember the spec. Sparky will know it off the top of his head. .020?
     
    michigan_pinstripes, Oct 21, 2004
    #25
  6. Oct 21, 2004
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
    Joined:
    Sep 21, 2002
    Messages:
    12,378
    .020 on the points is correct! I assume you meant points? .030 on the plugs.
     
    Glenn, Oct 21, 2004
    #26
  7. Oct 21, 2004
    63junker

    63junker Member

    Naples NY
    Joined:
    Sep 27, 2004
    Messages:
    51
    Well Fellas its a done deal!!!!!!!!!!!! put a new coil in and BINGO!!!!
    The old coil had a spot on the backside bottom that was worn through. She purrs like a kitten now. BRing on the snow its ready to work. Thanks to all who have helped along the way.Dave
     
    63junker, Oct 21, 2004
    #27
  8. Oct 21, 2004
    duke54

    duke54 Member

    JACKMAN MAINE
    Joined:
    Apr 15, 2003
    Messages:
    319
    Tolda sheed run fine :rofl: :rofl: :rofl:
     
    duke54, Oct 21, 2004
    #28
  9. Oct 21, 2004
    michigan_pinstripes

    michigan_pinstripes I'm not lost, I'm wandering

    Clarkston MI...
    Joined:
    Aug 20, 2003
    Messages:
    605
    Worn through coil?? Only in a Jeep! :rofl:

    My coil left me at the dunes last year :rofl: Coil oil oozed out everywhere!!

    Glad to see it's back on the road!!!
     
    michigan_pinstripes, Oct 21, 2004
    #29
  10. Oct 21, 2004
    63junker

    63junker Member

    Naples NY
    Joined:
    Sep 27, 2004
    Messages:
    51
    Never doubted you Duke :D
     
    63junker, Oct 21, 2004
    #30
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