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Unread 10-22-2007, 08:56 AM   #1
bama27
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2001 TJ Wrangler 
 
Join Date: Feb 2007
Location: Huntsville, AL
Posts: 96
Alternator??

Sup guys have a problem and need some advice. I have a 01 tj that is having electrical problems. Last week the jeep wouldnt start so I took the battery to work and tested it (said to charge and retest), after charging the tester read good battery. I put back into jeep and drove around for a few days no problems. This morning I stopped to fill up the tank and then the jeep wouldnt start back up, no lights, radio, nothing. Luckily I had jumper cables and got it jump started. I took it to advanced and the alternator tested at 47 amps. The salesman said I need a new alternator. So do I get the 117 amp one or should I get the mean green alt? I have 4 overhead lights and 4 fog lights on the bumper, and I'm planning to get a winch and cb soon. Would the mean green alt be too much right now, or should I get it now with future upgrades coming soon?

Thanks for the help in advance.

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Unread 10-22-2007, 09:17 AM   #2
Jerry Bransford
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2004 TJ Wrangler 
 
Join Date: Jan 2003
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The 117 amp alternator is fine for even all that. Not even a Mean Green can keep up with a winch where it's the battery that is the key component.
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Unread 10-22-2007, 09:32 AM   #3
hoseclamp
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2004 TJ Wrangler 
 
Join Date: Jan 2005
Location: Central BC, Canada, EH!
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I swapped my 117A for a '04 Durango 160A jobber. I looked at the mean green, 200A is killer, and you can weld off it, but for the price and restrictive service issues being so far away, I chose the 160A, 1/2 the price at the time too. My alt is a Bosch, part # AL 6553X. If the price is right, an extra 43A is good to have for accessories. Might be a Durango alt for your model year too.
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Last edited by hoseclamp; 10-22-2007 at 10:20 AM..
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Unread 10-22-2007, 09:44 AM   #4
FlexyTJ
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winch under load can draw between 400-600 amps. NO alt is going to keep up with that kind of sustained load. As Jerry mentioned go ahead with the 117, and get a good deep cycle/high maH rated battery (optima, Odessey, ect..)
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