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joshenj's avatar
joshenj
Explorer
Feb 25, 2019

Trouble with Left blinker light on travel trailer.

So when I hook my truck up to my travel trailer I can't get the left blinker to work on it. We took my buddy's truck who knew he was wired good and the blinker worked. So bulb is good and wiring on ...
Campfire_Time's avatar
Campfire_Time
Explorer
Feb 25, 2019
Very possible you have a bad flasher unit. I had something very similar happen on my old 2003 Trailblazer. I delayed going on a trip because of it, replacing the factory 7 pin connector as you did. Came back form the trip and learned about the flasher. Replaced it and problem solved.

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