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converting to an alternator

Discussion in 'The Hokey Ass Message Board' started by hankabilly13, Dec 1, 2008.

  1. hankabilly13
    Joined: Apr 19, 2006
    Posts: 26

    hankabilly13
    Member

    I searched the threads prior to posting, but I didnt seem to find any info on what alternator is good to use when replacing a generator. I have a 56 312 Y block and I am sick of fooling with the generator... I have rebuilt the generator, repolerized it and it still is giving me charging issues... at this point, I would rather slap a alt on it and get driving!

    any help is a apriciated.

    thanks,
    hank
     
  2. duste01
    Joined: Nov 5, 2006
    Posts: 1,209

    duste01
    Member

    I saw a whole kit on egay for like 50 bucks. I would look at your regulator, but if you really want to do it, there isnt much to it. Its more involved going 12v than regulating a gen.
    Here is a good place to read up on what your doing.
    http://www.flatheadv8.org/rumblest/electric.pdf
     
  3. Petejoe
    Joined: Nov 27, 2002
    Posts: 12,546

    Petejoe
    Member
    from Zoar, Ohio

    Have you taken your generator to a rebuild shop to have it checked?
    That would be my next move. They aren't that complex, Check your wires, ground your regulator and be sure your generator has a good ground.
    If your generator checks out good go through the wires and change your regulator.
    How many volts is the generator showing at the battery terminals.
     
  4. hankabilly13
    Joined: Apr 19, 2006
    Posts: 26

    hankabilly13
    Member

    I have to grab a multi meter at work since I ran over mine the last time I was fooling with it, and will get some readings. after I rebuilt it, it seemed to be working fine but now it is acting up again...
     
  5. hankabilly13
    Joined: Apr 19, 2006
    Posts: 26

    hankabilly13
    Member

    thanks, it is already a 12 v system. the wires look kinda shity, so I will rewire tonight and see what is what...
     
  6. Model A Vette
    Joined: Mar 8, 2002
    Posts: 1,075

    Model A Vette
    Member

    It is easy to convert to an alternator using a GM 10-SI internally regulated alternator. These were used from about 1974 to 1986. Plety of them available in junkyards.
    Wiring:
    10 gauge wire from battery to screw terminal
    Jumper 14 gauge wire from screw terminal to #2 terminal on alt (this terminal is farthest from screw terminal)
    14 gauge wire from ign switch to #1 terminal. This wire should come thru idiot light and only have power in the run position.
     
  7. Ebbsspeed
    Joined: Nov 11, 2005
    Posts: 6,447

    Ebbsspeed
    ALLIANCE MEMBER

  8. hankabilly13
    Joined: Apr 19, 2006
    Posts: 26

    hankabilly13
    Member

    uh... had the field and ground wire switched... wired it properly, and now it is working...
     

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