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Thread: 91 alternator 81 truck

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  1. #1
    thesoundofnoize is offline CHR Member Visit my Photo Gallery
    Join Date
    Jan 2010
    warner robins

    Angry 91 alternator 81 truck


    Hello fellow motorheads. I have put 91 350 into 81 chevy truck. Obivously a wiring issue. The 91 alternator has a wire coming out of (L) on alternator plug. The other wire ports are open with no wires on P,F,and S. I had it tested and it passed. Anyone know how to make it charge? It put out 105 amps on bench tester but had 4 wires in plug from machine. ANY INFO APPRECIATED. Thanks guys and light em up when you can!

  2. #2
    cffisher's Avatar
    cffisher is offline CHR Member Visit my Photo Gallery
    Join Date
    Jan 2006
    Car Year, Make, Model: 57 chevy 2 dr wagon
    Lovin' what I do and doing what I love
    Some guys can fix broken NO ONE can fix STUPID
    Christian in training

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