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  •  » Alternator

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    8/08/2020 9:36 AM  #1

    riwall
    FYI Addict

    Offline

    From: Sherman, Texas
    Registered: 4/02/2013
    Posts: 223

    Alternator

    '67 Mustang, 302. It seems that I need a new alternator. I notice that some are 70 amp and others 100 amp with the 100 amp generally more expensive. Is it worth paying the additional cost? 
    I purchased the current alternator several years ago. It is a chrome 100 amp unit. There is a local shop here that rebuilds starters, alternators, etc. Should I just get mine rebuilt? 
    I appreciate any suggestions.  

     

    8/08/2020 9:53 AM  #2

    Rudi
    Senior 24-7 FYI Addict

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    From: Stuck in the 50's Welland Ca
    Registered: 4/01/2013
    Posts: 3,976

    Re: Alternator

    Rebuild kits are available. I have have done quite a few of them.
    Usually it’s the diodes that go in them and are simple to replace as well as cleaning up the slip rings.
    Or if you don’t feel confident, get it rebuilt to keep the chrome case.

    Good work ain't cheap, Cheap work ain't good!   Simple Man
     

    8/09/2020 11:23 AM  #3

    riwall
    FYI Addict

    Offline

    From: Sherman, Texas
    Registered: 4/02/2013
    Posts: 223

    Re: Alternator

    I'm an idiot! When I removed the alternator I cleverly wrote down which wires connect where. Good planning. I normally only think of that after I have taken everything apart. Well, I managed to lose my note. Have I ever mentioned that getting old sucks? Anyway, I'm able to figure out the power (BATT) wire and the ground (GND) wire but I still have 3 wires left - a yellow, a black with a red stripe and a black with a tan stripe. There are 3 remaining connections on the back of the alternator - STA (starter?) at the 10 o'clock position, FLD near the center and an unmarked connection near the 6 o'clock position. I suspect that the yellow connects to the STA. If so, I have 2 wires left. Can anyone help? I should also mention that the wiring on my car often does not agree with the color code on my wiring diagram. Another project for the future. Thanx for any assistance! 

       •Thread Starter
     

    8/09/2020 12:47 PM  #4

    6sally6
    Hyper FYIFORD ADDICT

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    From: Surfside Beach,SC
    Registered: 4/02/2013
    Posts: 6,855

    Re: Alternator

    All I know is......STA ain't starter!
    I think its STATOR.
    I know I'm not much help......S'why I went with single wire Alt. (less "stuff"to try to remember)
    I don't recommend  the old-fashion 'smoke-testing'!
    From what I know those alternators are FULL of smoke so don't let ANY out!!
    6sal6

    Get busy Liv'in or get busy Die'n....Host of the 2020 Bash at the Beach/The only Bash that got cancelled  )8
     

    8/09/2020 2:29 PM  #5

    riwall
    FYI Addict

    Offline

    From: Sherman, Texas
    Registered: 4/02/2013
    Posts: 223

    Re: Alternator

    Disregard all previous. I just noticed that I can get an alternator wiring harness from CJ and probably others so that is my new plan. Problem solved. 

       •Thread Starter
     

    8/09/2020 7:55 PM  #6

    Nos681
    Senior 24-7 FYI Addict

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    From: Atlantic Mine, Michigan
    Registered: 7/14/2016
    Posts: 3,336

    Re: Alternator

    6sally6 wrote:

    All I know is......STA ain't starter!
    I think its STATOR.
    I know I'm not much help......S'why I went with single wire Alt. (less "stuff"to try to remember)
    I don't recommend  the old-fashion 'smoke-testing'!
    From what I know those alternators are FULL of smoke so don't let ANY out!!
    6sal6

    10si single wire 100amp Sally?

     

    8/10/2020 5:13 AM  #7

    TKOPerformance
    Hyper FYIFORD ADDICT

    Offline

    From: Newark, DE
    Registered: 12/15/2014
    Posts: 7,504

    Re: Alternator

    6sally6 wrote:

    All I know is......STA ain't starter!
    I think its STATOR.
    I know I'm not much help......S'why I went with single wire Alt. (less "stuff"to try to remember)
    I don't recommend the old-fashion 'smoke-testing'!
    From what I know those alternators are FULL of smoke so don't let ANY out!!
    6sal6

    Yes, it is stator, and don't ground that terminal or the alternator won't charge.  It was used to drive the tach on some models, odd as that is. 
     

     

     

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