5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

3g alternator

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Old 08-31-2005, 01:26 PM
  #1  
philthy89fifty
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Default 3g alternator

i just bought a 3g 130 amp alternator with harness but i need to know how to wire it up can anyone help?
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Old 08-31-2005, 03:05 PM
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99saleen351r
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Default RE: 3g alternator

Is it a one wire alternater??
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Old 08-31-2005, 03:22 PM
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Derf00
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Default RE: 3g alternator

by "harness" i'm guessing more than one wire.... But then again some people consider a plug on the end of a single wire a harness...
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Old 08-31-2005, 03:46 PM
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philthy89fifty
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Default RE: 3g alternator

it's out of a 95
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Old 08-31-2005, 04:05 PM
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Pure5.0
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Default RE: 3g alternator

If you bought a PA amp then it should have come with instructions that are full proof. I bought a 3g 130 alt 2 weeks ago and installed it in an hour or two. Was so easy with the instructions.

But if you didn't get it then basically you have to take the old alt out. Cut the harness off the alt that has the two black/orange wires on it. The new harness will attach to that. Plug it up and install the new alt with some bracket modifications for the alt to fit.

BUT MAKE SURE....that you add another or larger power wire from the alt to the batt. The 130 puts out so much amps that you need a larger wire. I just added a 4awg power wire that went strait from the alt to the batt.

I know there are some details I left out but I'm not home right now to see that instruction paper.

I have pics too.

NOTE::: just read that it was a 95. I think it should be the same but check out www.pa-performance.com ( i think that is the website and they should have their instructions on there for their alt. Should be the same I think.
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Old 08-31-2005, 04:11 PM
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Pure5.0
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Default RE: 3g alternator

Just found this......

http://www.fordmuscle.com/archives/2...ce/index.shtml

Check it out...I didn't read it but looks like it can help.
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Old 09-01-2005, 12:58 PM
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philthy89fifty
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Default RE: 3g alternator

thanks pure 5.0 your the man
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