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Originally Posted by drew300
Something I've found useful when checking for shorts is to put a lamp in place of the fuse.
It will glow brightly when the short is present, and then go dim / out when the short is removed.
Use something like a turn signal lamp, and connect it into the 2 posts where the fuse was - not 1 side to ground.
This will limit the current so the wires don't burn, but give you a good indication of when you found something.
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Great idea Drew! Been there and done that countless times... it works! I have also used a turn signal flasher to accomplish the same thing, when it stops clicking, short is gone. That's more of an "audible" thing if you're not in a position to see the light.