Thread: 1 wire alternator

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Have used 100 amp Powermaster one wire alts in two of my cars. Never had a problem with one, but the other was a nightmare. In that one the internal regulator went wacky and over charged the battery and which subsequently blew up. Also melted quite a few wires in the car, but luckily did not cause a fire. All of this happened in the middle of the boonies on a lonely interstate miles from anything. After a very long trailer ride everything was repaired and the alt was converted to a three wire. Have had no more problems since. Don't think I will ever intentionally use another 1 wire unit. Could have been a lot worse than it was, fortunately it wasn't.

yup.... the concept of the one wire is cool but it just isn't worth the possible headaches they can cause..... specially at the prices the good ones cost.... like the MSD one that costs $349..... and can you think of how often you've really needed a 100 amp alternator anyways? i have a 65 amp in my mustang, powers my tribar headlights, HEI ignition, power windows, alarm, stereo head unit, and 1000 watt amplifier with no problems at all