 2nd gen 3sgte alternator, advice? |
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 Oct 7, 2012 - 8:07 AM
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 Enthusiast  Joined Aug 12, '07 From Lancaster, Pa Currently Offline Reputation: 35 (100%)  |
i have a a 2nd gen swap. the alternator is only putting out 11.5v if that. not light is on. i checked with multiple batteries. resistance is fine for the three wires going off of the plug. i took it to a shop and they said it tested at 14v, im not sure what to do. leaning towards a problem like brushes maybe, but not sold on the alternator being the issue. also where is the best place to get an 2nd gen alternator... im leaning towards advance auto.
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Oct 7, 2012 - 10:17 PM
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 Enthusiast Joined Aug 31, '02 From Philadelphia, PA Currently Offline Reputation: 8 (100%) |
Check to make sure that the wires on the 3 wire harness plug are not damaged and making good contact. If they get damaged, the alternator will not put out 14v but will bench test just fine.
I'm using a 5sfe alternator for the automatic (80amp) from autozone. It works great and they keep your info on file so that you have lifetime warranty. I just had to wire in the 5sfe oval plug to make it work. This post has been edited by lagos: Oct 8, 2012 - 10:50 AM -------------------- 15PSI - 30MPG - Megasquirt Tuned
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Oct 8, 2012 - 7:26 AM
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Enthusiast Joined Aug 12, '07 From Lancaster, Pa Currently Offline Reputation: 35 (100%) |
thats true i never checked the plug at the alternator.
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Oct 20, 2012 - 8:10 PM
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Enthusiast Joined Aug 12, '07 From Lancaster, Pa Currently Offline Reputation: 35 (100%) |
bad wire from the alternator to the ignition
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Oct 20, 2012 - 8:19 PM
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Enthusiast Joined Aug 31, '02 From Philadelphia, PA Currently Offline Reputation: 8 (100%) |
QUOTE (garin @ Oct 20, 2012 - 9:10 PM)  bad wire from the alternator to the ignition So I called it correctly? 
-------------------- 15PSI - 30MPG - Megasquirt Tuned
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Oct 20, 2012 - 10:01 PM
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Enthusiast Joined Aug 12, '07 From Lancaster, Pa Currently Offline Reputation: 35 (100%) |
i would say yes. haha
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