Voltage Regulator Wiring

Discussion in 'Technical' started by Mlover, Dec 10, 2017.

  1. Mlover

    Mlover Member

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    Hey guys. I’m currently stuck with this dilemma. My voltage regulator burnt the attaching harness to the point where I cannot detach it. On top of that the wires leading to the harness of the car also were damaged. Any idea how I’m gonna get out of this one? Thanks! 712E7FCE-12C9-451C-92A4-21C297D1B19C.jpeg E67D0EDD-24B3-4682-AF07-B5E7FD3199D3.jpeg 028A76D0-EC84-4A95-9D41-3E493D17FD05.jpeg
     
  2. Krazy Comet

    Krazy Comet Tom

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  3. yellow75

    yellow75 MCCI Oregon State Rep Supporting Member

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    I have the regulator with wiring harness from my 72 v8 car I will let you have for shipping price, if it was me I would step up to one of the newer one wire alternators and do away with the regulator and wiring. Might be a expensive but well worth the price.
     
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  4. Mlover

    Mlover Member

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  5. Maverocket

    Maverocket Bob Williams Supporting Member

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    Excellent advice!
     
  6. Mlover

    Mlover Member

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    Thank you! But I have a straight 6 250 1974, do you know if the parts would be compatible? Also when you mention the one wire alt, what exactly does it substitute aside from the voltage regulator? Any recommendations where I can get a good one?
     
  7. Acornridgeman

    Acornridgeman MCCI Wisconsin State Rep Moderator Supporting Member

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    Have to ask - was everything stock?

    If so, I would not trust my old stuff - I would put in everything new (or new to me like in taking Mike's offer for his old stuff ...... :))
     
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  8. yellow75

    yellow75 MCCI Oregon State Rep Supporting Member

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    I assume everything between the 250 6 and 302 would be the same it just plugs into existing harness and regulates voltage needed to keep battery charged and voltage steady to electrical devices when car is running.

    A one wire alternator is like the title states you only have one wire going from alternator to battery side of starter solenoid and gives you lots more amperage which will help make lights brighter especially when car is at low idle and helps with add on parts such as a stereo and amp
     
  9. 71gold

    71gold Frank Cooper Supporting Member

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    do you know why the melt down? if not you need to find that before plugging in another harness...:yup:
     
  10. Krazy Comet

    Krazy Comet Tom

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    Yeah looks like the field terminal on regulator burned... Usually there isn't enough current on this terminal to cause such damage... If I had to guess I'd say the offshore regulator had a issue... Of course now the regulator, wiring and possibly alternator are toast...

    With a one wire you need to install a volt meter/gauge as the alt light on dash will be useless... I'm not much on the one wire, if it craps the bed you're walking, at least till you can locate another... I figure any auto parts store has a stock alt & regulator...
     
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  11. mojo

    mojo "Everett"- Senior Citizen Supporting Member

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    I say get rid of all that harness wiring and go w/ 1 wire. I've had a 1 wire 130 amp aftermarket for 6 years and no problems - Love it. Cleans up the fender apron, and a simple hook-up, no figuring out how to repair 40+ year old harness.
     
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  12. Mlover

    Mlover Member

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    The voltage regulator was replaced maybe like a year ago, the battery and alt weren’t old either.
    I had replaced the regulator alt and battery since owning the car (as far as electrical related parts).
     
  13. Mlover

    Mlover Member

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    I do not. What would be the best method to figure it out?
     
  14. Mlover

    Mlover Member

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    Where did you get your one wire alt? What other parts did you have to replace along with the alt?
     
  15. mojo

    mojo "Everett"- Senior Citizen Supporting Member

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    Last edited: Dec 10, 2017

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