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08-18-2004, 04:18 PM
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#1 |
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86 chevy k-10
Join Date: Jun 2004
Location: nashua, nh
Posts: 121
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one wire or three wire alternator
i.m sure this has been talked about....which is better? one wire or three wire..i have a 350 with the three wire alternator.stock..i purchased a 105amp.. came with one wire....i know i can use it,but which is better?i know someone has an opinion...let me know..thanks..joe b
 
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08-18-2004, 09:02 PM
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#2 |
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You get what you pay for
 
Join Date: Dec 1999
Location: Cherryville, NC
Posts: 4,798
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Not really any difference except for the one wire having less wires. I prefer it over a three wire just to keep the mess down under the hood. It sure looks a lot better with the one wire going to the battery. I have a Powermaster 140 amp one wire.
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Mike 1985 Chevy C-10 |
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08-18-2004, 10:00 PM
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#3 |
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Account Suspended
Join Date: Dec 2003
Location: Texas
Posts: 2,686
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I prefer the cheapie three wire int regulator alternators , Im a big fan of lifetime warranty stuff.
I have heard that the one wire alternators Do not charge as well at idle and i belive this to be true I installed ONE One Wire alternator on a big block blazer and it didnt have any volts at idle but did charge well with a little rpm on it. |
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08-18-2004, 10:15 PM
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#4 |
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You get what you pay for
Join Date: Dec 1999
Location: Cherryville, NC
Posts: 4,798
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If it didn't charge at idle it had something wrong with it.
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08-19-2004, 06:24 AM
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#5 |
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86 chevy k-10
Join Date: Jun 2004
Location: nashua, nh
Posts: 121
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i was having a problem with the bat. draining every couple of days.. thought the alt. was bad...turned out to be the power cable going to the cd changer.. i bought a new alt.. i still may try it.. thanks....
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08-19-2004, 12:27 PM
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#6 | |
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Registered User
Join Date: Feb 2004
Location: Atlantic Highlands, N.J.
Posts: 139
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Quote:
The old 3 wire was for Battery, Field, and Sensing. Field / sensing was kind of a Pigtail to make the "Idiot Light" on the dash work, and the Sensing was to energize the regulator. I think I got that all right. In any event, the single wire alternator, with a simple blip of the throttle, effectively makes the Internal Regulator energize and start charging. I think even the Fast Idle at startup is enough to "energize" the charging process. So, I think, meaning no disrespect, your overall system / engine function is not quite up to snuff
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86 GMC SWB, DK. BLUE, ZZ430,TH400, 4.11'S, HEADMAN CERAMIC HEADERS, WELD BILLETS, BFG 275 / 60 / 15, 325 / 50 / 15 DRAG RADIALS, FIBERGLASS COWL HOOD, B&M SHIFTER. MSD, MARCH PULLEYS / ALT. / PWR. STEER PUMP, BECOOL RAD., BILLET GRILL & GRANT WHEEL. |
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