I have no brake lights. I found a 20 amp fuse that was blown but don't know if that's the right one or not. Put a different 20 amp in and it blew instantly. What could be doing this? I realize there's a short or a hot wire touching a ground but where should I start looking? I guess I'm gonna need a large box of 20 amp fuses before I'm done.
First replace the fuse with a 12v light bulb. That way you don't waste money by blowing out fuses after another. Just keep the lightbulb in there while you look for the short. You start at the back. See which color wire is for the brake lights. You can also try unplugging the brake switch underneath. You will know if you had found the short because the light bulb will go out if you cut the power to the wire either by cutting or unplugging aconnector. Good luck. Ther is nothin wrong with cutting wires as long as you fix them back with good connection and well insulated with electrical tape or heatshrink tubing. Note that most shorts are caused by human error. For example rigging up things and not insulating the wires properly, or cross wiring something. Goodluck
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