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Old 01-10-2013, 07:00 PM
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Alternator problems

Well my alternator went out the other day again. This makes the 5th one I have put on the truck since I have had it . And I've had it for 5 years now. Do you think it is a grounding issue with the truck or is these trucks just prone to this problem? I thought about running a ground from the engine to the frame and one from the cab to the frame. What do y'all think?


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Old 01-10-2013, 07:27 PM
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Originally Posted by early 99 pwrstroke View Post
Well my alternator went out the other day again. This makes the 5th one I have put on the truck since I have had it . And I've had it for 5 years now. Do you think it is a grounding issue with the truck or is these trucks just prone to this problem? I thought about running a ground from the engine to the frame and one from the cab to the frame. What do y'all think?


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Where are you buying these alternators from? Rebuilt or new? Any extra electrical devices? (Stereo, lights...)

Last edited by Tj Krawler; 01-10-2013 at 07:31 PM.
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Old 01-10-2013, 07:28 PM
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They are new from Napa.

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Old 01-10-2013, 07:28 PM
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Shoulda bought an alternator from me lol


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Old 01-10-2013, 08:01 PM
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Originally Posted by early 99 pwrstroke View Post
They are new from Napa.

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Really... I haven't heard too many problems with them. I know there has been some problems with the rebuilt units, but not the new ones. I put a new Napa one on my truck last December. Almost 4k on it, still holds ~14.5-14.7v at idle.

You could go with a high output alt, but the most I've seen is a 2 year warranty and I have heard quite a few cases of them not lasting. I believe the large case ones are better. I assume you at least have a lifetime warranty?

How old are your batteries? Bad batteries can eat an alternator... I've heard of a few people adding an extra ground from each battery to the frame.




Quote:
Originally Posted by Autofair Diesel parts View Post
Shoulda bought an alternator from me lol


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I wanted to go OEM... My dealer quoted me almost 3x the price as one with a lifetime warranty. To be fair though, the OEM one did last 12 years and almost 100k miles. Of course I'm sure your prices are better than that!
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Old 01-10-2013, 08:10 PM
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Originally Posted by Tj Krawler View Post
Really... I haven't heard too many problems with them. I know there has been some problems with the rebuilt units, but not the new ones. I put a new Napa one on my truck last December. Almost 4k on it, still holds ~14.5-14.7v at idle.

You could go with a high output alt, but the most I've seen is a 2 year warranty and I have heard quite a few cases of them not lasting. I believe the large case ones are better. I assume you at least have a lifetime warranty?

How old are your batteries? Bad batteries can eat an alternator... I've heard of a few people adding an extra ground from each battery to the frame.






I wanted to go OEM... My dealer quoted me almost 3x the price as one with a lifetime warranty. To be fair though, the OEM one did last 12 years and almost 100k miles. Of course I'm sure your prices are better than that!
My prices are better than ur dealer! I have the beat prices on here!


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Old 01-11-2013, 05:05 PM
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The batteries are about 2 years old and they check out good . I don't have anything extra drawing any power either. At idle the new one is putting out 14.3 volts. I just thought maybe the grounds would help .
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