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quick alt wiring help

Discussion in 'The Garage' started by sweetk30, Sep 22, 2006.

  1. sweetk30

    sweetk30 professional hooker Premium Member

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    i swaped my 79 frt drive pulleys and stuff for a 89 serpsetup . how do i swap the alt wires to the new plug. i have the pigtail cut from the donor truck about 6" of it. thanks.
     
  2. mouse

    mouse 1/2 ton status

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    The difference is whether your truck has a gauge or a light on the dash for the alt. If the donor is the same you can just splice in the wiring, other wise you may need a resister in the circuit for the alt to charge properly. When I converted to the serpentine system, the donor truck had a gauge just like my K5. Spliced it in, and have had no problems.
     
  3. sweetk30

    sweetk30 professional hooker Premium Member

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    both were gauge style. do you recall the color matching up codes?
     

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