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CardGuy

Turn signal thinks it's the 4 way flasher!

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Could my problem be simple?

 

My 03 silverado left turn signal activates all 4 signals just like the flasher button. Here's the deal. It does this intermittantly and is getting worse. After I use the right turn signal, then I do a left signal I will get all 4 corners flashing. If I turn off the left signal and then turn on the left signal again it will work fine. It's just after a right signal that the left becomes all 4. Anyone have any ideas what could be wrong?

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You've probably got a bad ground somewhere.

It could be either in the front or rear at the lamp housings. Most likely on the left side since it is the side acting up.

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Could my problem be simple?

 

My 03 silverado left turn signal activates all 4 signals just like the flasher button. Here's the deal. It does this intermittantly and is getting worse. After I use the right turn signal, then I do a left signal I will get all 4 corners flashing. If I turn off the left signal and then turn on the left signal again it will work fine. It's just after a right signal that the left becomes all 4. Anyone have any ideas what could be wrong?

 

 

 

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Has anyone ever figured out the exact problem with the left turn signal periodically activating the 4 way flashers? My '03 Yukon XL does the same thing. I've found several other web site discussion groups noting the identical problem, but nowhere do I see that anyone has figured it out.

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