SARGE - ROAD WARRIOR

Discussion in 'General Station Wagon Discussions' started by Paladin62, Feb 23, 2022.

  1. Silvertwinkiehobo

    Silvertwinkiehobo "Everything that breaks starts with 'F.'"

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    Did the guy provide a diagram of how the diode's wired in?
     
  2. wylee

    wylee Well-Known Member

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    i hate electric issues also, dont understand it. battary kept dying on miss savoy. friend helped, had wire for my auto choke in the cigar fuse. hot all the time duh!!! lol
     
  3. Silvertwinkiehobo

    Silvertwinkiehobo "Everything that breaks starts with 'F.'"

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    What an idiot. "Hot all the time" is not the same as "Constant hot," as a constant hot can be controlled by a relay.
     
  4. Paladin62

    Paladin62 Well-Known Member

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    So, educate me. The diode is on the white "exiter" wire that goes to the ignition. It is a pigtail easily found on ebay.
    Alt Diode.jpg
    As I said the guy who wired Sarge suggest installing a relay on the white exiter wire to eliminate the diode pigtail and prevent the run-on feedback. Somewhere I read that an indicator light on the white exiter wire would do the same thing.

    Do you know if that will work? That's a fairly easy fix. Hell, I think I'll give it a try... It's gonna rain today, so I'll do the light after the weather clears.

    I also read that relocating the exiter wire from the "hot" connector on the ignition to the auxiliary connector would cure the issue. But I hesitate to go fooling around with stuff I don't understand. I'll do the light and see if that works.
     
  5. OrthmannJ

    OrthmannJ Always looking for old ford crew cabs

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    Good luck. Sorry to hear that Sarge missed out on the Veteran's Day festivities.
     
  6. Silvertwinkiehobo

    Silvertwinkiehobo "Everything that breaks starts with 'F.'"

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    OK, so here's a quick diagram. Most relays have a small diagram on their side, showing which pin goes where inside. You don't need much for a relay, the exciter doesn't carry much amperage, but, for safety sake, put a fuse holder on the white wire input (top LH), with a 20A fuse. That'll protect the relay and the alternator, as I figure there's no exciter fuse from the factory.

    IMG_20221114_153159431.jpg

    Sorry, my phone identifies as a potato sometimes.
     
  7. Paladin62

    Paladin62 Well-Known Member

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    Thanks for the diagram, but next time wipe the camera lens off. The shot is blurry.
     
  8. Silvertwinkiehobo

    Silvertwinkiehobo "Everything that breaks starts with 'F.'"

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    Well, this time, the camera wasn't the tater.
    If you want, I can re-shoot the diagram and repost it.
     
  9. Silvertwinkiehobo

    Silvertwinkiehobo "Everything that breaks starts with 'F.'"

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    IMG_20221115_083521041.jpg

    Ah, much better.
     
  10. Paladin62

    Paladin62 Well-Known Member

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    Yeah, I got it.

    Thanks
     
  11. Paladin62

    Paladin62 Well-Known Member

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    Good news/bad news. I patched in a switch so I could interrupt the feedback loop. I eliminated the diode pigtail and now the wagon shuts off with the key. I figured I had successfully corrected my problem until I realized that I am still not getting the proper volts from the alternator.
    I'm gonna take it to the auto electrician next week.
     
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  12. OrthmannJ

    OrthmannJ Always looking for old ford crew cabs

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    Good luck. I hope it's a quick and easy fix.
     
  13. Silvertwinkiehobo

    Silvertwinkiehobo "Everything that breaks starts with 'F.'"

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    The voltage range spec for any alternator is 13.5-14.5V at low load. Are you saying your low load voltage is below 13.5?
     
  14. Paladin62

    Paladin62 Well-Known Member

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    According to the gauge on the dash, I'm getting 10-11 volts. The alternator is new. Obviously something is not right. But the fix is above my pay grade...

    Gonna take it to the shop Monday. (weather permitting)
     
  15. Silvertwinkiehobo

    Silvertwinkiehobo "Everything that breaks starts with 'F.'"

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    It would have to be verified at the back of the gauge, but running voltage, because of wire and connection resistances, typically should only drop .5-1 volt at the ignition switch.
     

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