1999 GMC cube van

I have no taillights or running lights the fuses are good but when I was testing the fuses I got a spark enough to blow a fuse ?

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1 thought on “1999 GMC cube van”

  1. Freeautomechanic

    pretty much the only way to get a spark is to somehow connect the positive and negative. And this should blow the fuse as it would protect the rest of the wiring from melting.

    Also to get spark there must have been power there. So I am wondering if you tested the bulbs also?

    Check your wiring diagram and follow the path from the fuse to your switch through any relay if applicable and all the way through. Also check your grounds. This is of course after you replace the fuse.

    If you need a wiring diagram you can obtain one for free here, just follow the wiring diagrams tab in the Navigation bar.

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