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80 amp fuse

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Old 06-27-2012, 04:23 AM
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80 amp fuse

Hello everyone,why is my 80 amp alt fuse always blow, everytime i turn on my headlights and a/c?I've replaced the fuse like 4 times. The alternator is charging at 14 volts. And my 80 amp fuse gets really hot when the truck is on.What could be the problem?Thanks
Old 06-27-2012, 04:49 AM
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Bad ground somewhere. Messed with electrical lately any?

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Old 06-28-2012, 05:28 PM
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It could also be a short-to-ground. Here is a reasonable plan for finding a short:

http://www.mustangmonthly.com/howto/...t/viewall.html
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