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2002 gmc envoy_sle
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12 Posts
Discussion Starter #1
I was towing my boat to winter storage and noticed the left turn signal would not blink with the trailer plugged in. It had work with this trailer previously and works fine otherwise. I suspect the blinker/flasher module. Anyone else experience this issue? Sounds like the module is buried down by the fire wall. If I replace the module should I get something other than a new OEM part?:thx
 

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2007 chevy trailblazer_lt
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2 Posts
Before you go replacing parts, I would do some tests. If the blinker works with the trailer unplugged, but stops working as soon as you plug it in, I would suspect an issue with the wiring of the trailer more so than an issue with your flasher.

I would check the bulb on the trailer, as well as look for any corroded/broken wires. If you have a short circuit, that would shut the blinker off.
 
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