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Generator?

Discussion in 'Early CJ-5 and CJ-6 Tech' started by johnny and sandy, Oct 9, 2019.

  1. Oct 9, 2019
    johnny and sandy

    johnny and sandy Member

    San...
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    Nov 9, 2008
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    182
    Does anyone known what the different between a GJP-7402 A generator and the GJP-7402 B?

    Someone said that the A is for the four cylinder and that the B is for the six cylinder.?
    Or is about the Circuit one being the A circuit and one being the B circuit?
     
  2. Oct 10, 2019
    Rick Whitson

    Rick Whitson Detroit Area Sponsor 2019 Sponsor

    I live South of...
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    Dec 2, 2014
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    I can not help you, my generator is in the barn on a shelf, I put a GM One Wire on my Jeep, saves a lot of BS. I saved it because it is part of the Jeep, but don't intend to use it, never had much luck with Generators, and Regulators, I bought a new regulator for my Jeep and could never get everything to work at once. It was easier to just switch than fight it. Good luck
     
    65CJ5 SRD likes this.
  3. Oct 10, 2019
    65CJ5 SRD

    65CJ5 SRD Member

    NM
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    I did the same thing.
     
  4. Oct 10, 2019
    47v6

    47v6 junk wrecker! Sponsor

    Washington DC.
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    A long time ago in a place far away.... I had my generator rebuilt and had tested the mechanical regulator on my transplanted Fhead engine in my first 2a. It was all 12 volt, so I guess it was post 1956.

    Anyway, if I had a generator and was running stock ignition and lights, I would just take the generator apart, clean it, install new bearings and brushes and run it.

    I NEVER had any issue with my generator. Daily drove it for several years.
     
  5. Oct 10, 2019
    Howard Eisenhauer

    Howard Eisenhauer Super Moderator Staff Member Sponsor

    Tantallon, Nova...
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    Unlikely.

    More likely, only way to tell for sure is to pull the back cover & check the wiring.
     
  6. Oct 10, 2019
    PeteL

    PeteL Member Sponsor 2019 Sponsor

    Hills of NH
    Joined:
    Aug 3, 2003
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    6,408
    I have no problem with generators.

    Generators will charge a dead battery from zero, and they will allow a rolling start with a dead battery, neither of which are possible with an alternator. The last alternator I bought included a warning that "charging" a low battery could void the warranty!

    I was at the FLAPS yesterday getting my F-350 tested. The tech said "your alternator and battery are both fine, but the battery needs a charge." :confused::crazy:
     

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