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Old 06-28-2006, 04:04 PM
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Shop Converted My 3-wire Alt to 1-wire -- Should I Be Upset?

My GM 12SI alternator died over the weekend. I took it to a shop this morning and asked them to rebuild it. My wife picked it up about closing time. When she got home I noticed it now has a small rectangular dust cover where the two spade connections used to be. She said the shop said all I have to do now is hook up the one battery cable.

I thought a 3-wire was better than a 1-wire. Should I be upset?


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Old 06-28-2006, 04:09 PM
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Single wires work ok. Three wires are still the best arrangement.
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Old 06-28-2006, 06:50 PM
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Doc here,

If you don't have an Idiot lamp, you should be fine..

You Can add a Voltmeter to monitor the output, should you want one.

Just remember that on start up , you may need a small rev to Coax the alternator to start charging..

A One wire is a good choice for a No frills Electrical street rod.

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