Question about Chevrolet Silverado 1500

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Turn signal flashes fast but bulbs good

Turn signals on truck worked fine, there was a bad wire for rt turn signal on trailer, no juice at connector prong. I spliced into the right turn signal wire for truck and wired to rt turn signal wire on trailer connector. rt turn sign prong on trailer works now but left turn sign on truck doesn't work now. It blinks fast like a bad bulb but bulb is OK, fuse OK, any suggestions, Thanks

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  • Expert
  • 218 Answers

You need to replace the turn signal flasher with a heavy duty one.

Posted on Oct 19, 2013

6 Suggested Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 1987 toyota camry s/w back

Problem solved, Since 3 of the 4 turn signals worked I did not fuse was a problem
but after checking the turn swithch, I pulleded out the fuse which looked ok, but when
I put it back in all the turn signal lights woked! Apparently just one part of the surface
of the fuse was corroded.

Posted on Aug 05, 2008

motor1258
  • 6674 Answers

SOURCE: LEFT TRAILER TURN SIGNAL DOES NOT WORK

I'd get a 12vdc test light if you don't have one already & start from plug, and keep probing back from there. It may be as simple as a bad connection under truck where joined into harness.

Posted on Nov 29, 2008

cadman000
  • 607 Answers

SOURCE: 02 Buick Century turn signal problem

try 2 new bulbs

Posted on Apr 21, 2009

pops296
  • 174 Answers

SOURCE: LEFT TRAILER TURN SIGNAL DOES NOT WORK

I have seen once before that the fuse box was bad on a 2003 Dodge 3500. I had power in and nothing out. We had to replace the box. Not cheap! Hope it is simple like a loose connection though. I think I had to pull the inner fender on the drivers side to access the bottom of the fuse box. Pain in the ****, but...

Posted on Oct 01, 2009

emissionwiz
  • 75066 Answers

SOURCE: left back signal light doesn't work but front one flashes really fast

Check and replace the bulb first before you do anything else.

Posted on Jul 10, 2012

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