What does a faulty fuse look like? I know a.

Tiny
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  • 2002 BUICK RENDEZVOUS
  • 117,000 MILES

What does a faulty fuse look like? I know a blown fuse will not be connected inside the fuse but not sure what a faulty one looks like. I have pulled out fuses to check to see if they were blown because some things are my car aren't working correctly and when I pulled them out the prongs are discoloured (rainbow markings) as if they had gotten very hot. Does that mean there is something wrong with the fuse, and if so can a faulty fuse cause electrical issues with the component that they are intended for?

Tuesday, March 26th, 2013 AT 4:24 PM

1 Reply

Tiny
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  • 48,173 POSTS

If you have a test light easiest way is to probe both sides of fuse if it lights the fuse is good

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Tuesday, March 26th, 2013 AT 4:46 PM

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