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Old 07-18-2005, 04:46 PM
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One-wire experiment gone bad

Over the winter I freshened the 351W in my Mustang, and in the process I went to a GM one-wire alternator. The problem is that when the engine comes up to temp, and the electric fan comes on, the engine sputters and dies - like there isn't enough juice left to power the ignition system. Can I go to a 3-wire setup by running switched power to the #1 regulator terminal and a jumper from #2 terminal to Bat on the alternator? It appears the one-wire just doesn't have enough at low rpm to do what it's supposed to do. Help desperately wanted. Thanks in advance.

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Old 07-19-2005, 05:30 AM
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Quote:
Originally Posted by nova69
Over the winter I freshened the 351W in my Mustang, and in the process I went to a GM one-wire alternator. The problem is that when the engine comes up to temp, and the electric fan comes on, the engine sputters and dies - like there isn't enough juice left to power the ignition system. Can I go to a 3-wire setup by running switched power to the #1 regulator terminal and a jumper from #2 terminal to Bat on the alternator? It appears the one-wire just doesn't have enough at low rpm to do what it's supposed to do. Help desperately wanted. Thanks in advance.

Check this site out it may explain why your alt is not reading the need amp load.


http://www.madelectrical.com/

Ed ke6bnl that why I went with a three wire over a one wire without a sensing lead. Ed ke6bnl
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