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Alternater wire question

This is a discussion on Alternater wire question within the External Engine forums, part of the LSx Technical Help Section category; I had to replace my alternator today. My question is I broke the 1 wire that goes into the pig ...

  1. #1
    Member Lawnman's Avatar
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    Alternater wire question

    I had to replace my alternator today. My question is I broke the 1 wire that goes into the pig tail, I was able to rewire it and everything is good. My question is what is that wire for ? It is very thin and red.
    Last edited by Lawnman; 10-05-2007 at 08:12 PM.

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    Junior Member LUV2SK8TE17's Avatar
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    the red wire going 2 ur alternator is the "excitor" wire. basically tellin ur alternator to charge your battery. at least from what i hear. so you gotta have it or your system wont charge.

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    Senior Member JonB's Avatar
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    Quote Originally Posted by LUV2SK8TE17 View Post
    the red wire going 2 ur alternator is the "excitor" wire. basically tellin ur alternator to charge your battery. at least from what i hear. so you gotta have it or your system wont charge.
    Exactly right, its a very critical wire.
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    Member Lawnman's Avatar
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    lookin for a ws6

    I did connect it. I had to soder it where I broke it. I left a couple of extra inches of wire so that would not happen again. Thanks for the replies. Now off to the track!

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    Well, my system wouldn't charge, but it didn't get the alternator/battery light on the dash. I figured it had something to do with the exciter wire. Well, the wire was pulled out of the pin. I was unable to get the pin out to resolder it. It looks like this happened once before because the plug was all chewed to shit and the pin half pushed out the side. I'm pretty sure it happened when a friend put my pulleys on.

    Where can I get a new plug today?

  6. #6
    Junior Member LUV2SK8TE17's Avatar
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    u can get one from the dealership @ $35 i think. i went 2 o'reilly & got one 4 about $17. there the xact same. make sure you connect the right wire. cause the new one will have 4 wires in order to be universal to gm's. im pretty sure its the 2nd from the left wen lookin from the front of your car when it is plugged in.

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