Turn signal issues

JON SCHRADER

MEMBER
2003 CHEVROLET IMPALA
3.8L
6 CYL
2WD
AUTOMATIC
194,000 MILES

If you turn turn signal on, four way switch makes odd vibrating noise but no signals work.

Wednesday, December 6th, 2017 AT 4:21 PM

6 Replies

JACOBANDNICKOLAS

MECHANIC
108,179 POSTS

It sounds like a bad flasher. Take a look at this and let me know if it helps.

https://www.2carpros.com/articles/turn-signals-not-working-blinker

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Wednesday, December 6th, 2017 AT 7:40 PM

JON SCHRADER

MEMBER
4 POSTS

Changed switch and accessories relay and no help it is actually got more issues now lol. The four way dash lights and fog light switch stay on and they are not on, and now is no turn over just blinks lights.

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Thursday, December 7th, 2017 AT 6:04 AM

JON SCHRADER

MEMBER
4 POSTS

Body control module?

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Thursday, December 7th, 2017 AT 6:05 AM

JACOBANDNICKOLAS

MECHANIC
108,179 POSTS

Possibly. However, since things are not turning off, it sounds like maybe a short to power. Check the wiring in and around the fuse block under the hood. Also, if you have not replaced the four way switch, that could be the problem.

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Thursday, December 7th, 2017 AT 6:10 PM

JON SCHRADER

MEMBER
4 POSTS

Just wanted to check back to let you know it ended up being my ignition switch smh never would have guessed but smarter minds and equipment got me figured out, thanks for your help though and maybe this will help out someone else when their Impala starts acting up.