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Grizzly 450 reverse lights issue

skipper121

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Joined
Mar 21, 2025
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this is driving me nuts! my grizzly 450 reverse lights keep flashing after driving for abouyt 5 mins. Anyone else having the same issue?
 
@skipper121, sounds like your Grizzly's trying to send a secret Morse code or something, flashing after 5 minutes is oddly specific though, could be as simple as a loose connection, or as sinister as some sensor acting up after warming up, I'd start by checking the wiring around the reverse lights for anything sketchy, if it's all good, move onto the switch or sensors, basically it's like playing electrical detective.
 
flashing reverse lights can mean a lot of things jsyk, and it's can be pissing when there's no clear error. I'm thinking a wiring issue, moisture in a connector, or even a failing sensor. Mine turned out to be a bad ground, hope you get to the bottom of it soon.
 
this is driving me nuts! my grizzly 450 reverse lights keep flashing after driving for abouyt 5 mins. Anyone else having the same issue?
I feel like it's a pretty common thing because some of my other mates have experienced this. Usually it's a janky reverse switch near the transmission. Try cleaning it and also zip-tie the connector tighter. Good luck :)
 
Flashing reverse lights on a Grizzly usually mean an overheating or sensor issue, not actual reverse. Yamaha loves using dummy warnings like that, check temp sensor and wiring before chasing ghosts.
 
@skipper121, flashing reverse lights like that are often caused by a loose connection, a sketchy ground, or a faulty reverse switch near the transmission. Maybe start by checking the wiring and connectors for moisture or corrosion, then make sure the switch is clean and seated properly.
 
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