Front right signal flashes very fast?

GLAWRENSON

MEMBER
2004 GMC SAVANA
86,000 MILES

Front right signal flashes very fast. I have changed the bulb and it worked for a few days, then started flashing fast again. Changed the bulb again, but fast flashing persists.

Monday, October 7th, 2024 AT 1:45 PM

3 Replies

KEN L

MASTER CERTIFIED MECHANIC
48,363 POSTS

Does the rear blinker for the right-side work? If not, this will be the problem, if it does work, I would check the rear bulb as well because the resistance might be off causing the fast blinking, here is a guide to help as well:

https://www.2carpros.com/articles/turn-signals-blink-rapidly

If it still blinks fast with both new bulb, I would swap out the turn signal flasher. Check out the images (below). Please let us know what happens.

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Monday, October 7th, 2024 AT 2:15 PM

GLAWRENSON

MEMBER
2 POSTS

The rear blinker flashes fast. Front not at all. Both bulbs are good. I don't know the names of parts, but wiggled connection between the bulb mount and what it was connected to, and it started to blink normally, then quit. So disconnected at that point, put back together, and now it's working! Thanks for the help!

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Wednesday, October 16th, 2024 AT 6:53 PM

KEN L

MASTER CERTIFIED MECHANIC
48,363 POSTS

Yep, connection issues can cause this problem, Glad you could get it fixed, thanks for letting us know. Please use 2CarPros anytime we are here to help.

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Thursday, October 17th, 2024 AT 8:46 AM