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I have a '99 Night Train. It is customized and doesn't have turn signals. The brake light is on a license plate mount mounted on the swingarm. The brake light on this license plate isn't working. The tail light works, it just doesn't get brighter when I apply either brake. I disconnected the wire at the rear brake switch and the wire running to the light has power (used a test light/probe) when disconnected (or when the brake is not applied). When I apply the brakes, I get power at the brake light switch terminal (again, while that wire is disconnected).
The tail/brake light is an LED unit. It has one wire running to it, one wire coming out of it and attached to a mounting bolt.
I haven't had this bike very long and don't know squat about it's wiring. Any help will be appreciated.
Did you try switching the two wires (run light and brake light), I remember i had bought a taillight and the wiring colors were different and the black wire wasn't the ground. Try testing it out on a separate battery too.
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