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.

1986 5.0 with electrical problems

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Old 04-30-2013, 10:42 AM
  #1  
aftorresii
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Default 1986 5.0 with electrical problems

My battery will not charge. I have had the alternator checked. the alternator is putting out 100 amps. the car just died on me in the middle of the street. I was told there was a problem with a fuseable link can anyone help me figure out how to fix this.
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Old 04-30-2013, 04:38 PM
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Maxwelhse
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Have you checked the voltage at the battery while the car is running?

Also... 100A seems like a boatload for a 1G alternator... Something sounds off...
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Old 04-30-2013, 05:44 PM
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mattdel
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Too much amps. Regulator probably died, which blew out the fuseable links on the wires. On the back of the alt there is 2 solid black/yellow wires right next to each other, thicker than the others. Those are the ones with a fuseable link on it.
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Old 04-30-2013, 06:12 PM
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Maxwelhse
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And there we have it!

Personally, I'd upgrade the fusible link to a regular fuse in preparation for the 3G swap you should be thinking about...

I like the fuse holder found under the battery tray on S-10s for that purpose. Cheap, easy to find, and looks factory (because it is) if installed cleanly.
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