Quote:
Originally Posted by VetteVet
This is one of the fallacies of the one-wires, they have poor voltage sensing abilities. Where do you have the large red wire from the alternator connected? If it's right to the battery then your alternator could be missing the voltage drop sensing that occurs downstream in the circuits. This means that you may only be pushing 10 volts into the wiper circuits and possibly the headlights at idle. When you speed up the alternator increases output and the voltage drop lessens so the wipers get 12 volts.
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Well, I was WRONG! I have a two/three wire (Red, Brown and Yellow) coming out of the alternator (I believe it's a 10SI). The Red wire (and other two as well) runs from the back of the alternator, behind the HEI and into the cab through the main wire loom hole.
The battery has a second ground wire (small black) that goes from the (-) terminal, around the battery and to the core support.
So how does this change the landscape?
Quote:
Originally Posted by VetteVet
If you do decide to get a new alternator, get a 12 SI or a CS 144 and I'll show you how to hook them up.
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Thanks for the assist!