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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#88611 08/22/2002 3:08 AM | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | One disadvantage of a one-wire alternator seems to be that it needs to be "excited" and does not start charging until the engine reaches 1200-1500 rpm (mine starts charging at 1200 rpm).
Once the alternator has been "excited", it charges at all rpm from idle upwards (450/500 rpm and upwards). I think some people do not realize this (they think that a one-wire alternator does not charge below 1200-1500 rpm).
If you have read fifthave's post about using a DA plug vs a one-wire alternator, you know that there is another disadvantage related to the lead to the coil remaining hot with the ignition-switch off when using a non-stock ignition. This disadvantage is eliminated if you use a newer ignition switch and attach the lead to the coil to an key-"On" accessory terminal (I think I got this right).
Tim | | |
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