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Mod | | | Forums66 Topics128,062 Posts1,055,854 Members48,428 | | Most Online14,466
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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| | | | Joined: Sep 2006 Posts: 2,393 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 2,393 | I've read alot here about converting to an alternator, but still confused about what year or style(1 wire or 3 wire)I should buy. It's to replace my 12V generator on a 261 in a '50 3100 1/2T with no added options like AC or stereo. Pretty basic, so I'm thinking 60-70 amp style is enough. And I'm using a 3/8" belt, but can go to half inch with proper pulley on the alternator.Any suggestions? Thanks.
Drew
| | | | | Joined: Nov 2009 Posts: 239 'Bolter | | 'Bolter Joined: Nov 2009 Posts: 239 | Hi Drew, Here is some reading I did when I had the same questions. I hope this helps. Dale OneVSThreeWire 10SIor12SI
When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
-Unknown-
| | | | | Joined: Sep 2006 Posts: 2,393 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 2,393 | Very informative. Answers many of my questions. Saving it all. Thanks to you both.
Drew
| | | | | Joined: Jul 2007 Posts: 328 'Bolter | | 'Bolter Joined: Jul 2007 Posts: 328 | DrewP 1 wire vs. 3 wire is explained well by this guy at MAD Electrical. He's saved my bacon a couple of time s on projects I've had and is a wealth of knowledge on properly wiring and modifying electrical systems. Great tutorials at his site, too. http://www.madelectrical.com/mike | | |
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