Time to start back tracking and making sure you know exactly what wires you spliced into for your power and what did you use for ground. Also check all of your connections of wires wherever you ran your winch lines. Check the connectors on the left side under the gas tank.
what are you calling the RED reverse light,,,, unless you hooked up a seperate light for reverse the grizz has no reverse light,,, has a stop light and a tail light,, im not sure if the tail light burns all the time the grizz is running or not,,someone on here can tell you, ,,, I guess what im saying is it might be normal and you never noticed it untill after the winch install,,, good luck,,,, ,,,,, cg
sounds like you may have accidentantly provided a constant hot for the reverse LED or if it has a switchable ground provided a constant ground...either way a careful review of all your connections will turn up the answer. if you cant find it start disconnecting wires one at a time till the light goes out.
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