Hyper-blink turn signal problem, please help
Thread Starter
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Tuned
Joined: Jan 2018
Posts: 272
Likes: 23
Hyper-blink turn signal problem, please help
17’ f250 6.2 XLT
If I use my right turn signal it will hyper blink(on my dash), showing me a light is out.
Only right side blinker.
I check both of my turn signal bulbs, front and back, cleaned and dielectric grease. No visual problems and both blink with out a issue at standard blinking speed.
anyone else experience this or have a fix? Or any other places I should check. It’s super annoying while driving
Thanks in advance.
If I use my right turn signal it will hyper blink(on my dash), showing me a light is out.
Only right side blinker.
I check both of my turn signal bulbs, front and back, cleaned and dielectric grease. No visual problems and both blink with out a issue at standard blinking speed.
anyone else experience this or have a fix? Or any other places I should check. It’s super annoying while driving
Thanks in advance.
Last edited by Mack3006; Apr 19, 2021 at 06:20 PM.
Senior User
Joined: Mar 2014
Posts: 443
Likes: 30
Ther ware lots of posts about issues with water getting into the electrical connectors in the rear either side of the spare tire and above it. They need to be pulled apart, make sure there is no corrosion and filled with dielectric grease. Water in these has resulted in all sorts of weird electrical gremlins.
New User
Joined: Sep 2020
Posts: 4
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I had this problem when I bought my 17 back in August. Both sides did it. Well finally I realized just YESTERDAY that the bulbs 3157 have two filaments in them. One for the brake light/running tail lights and the other for the turn signal. Low and behold the filament for the turn signals was out but not the filament for the brake lights/daytime tail lights. Bought two new ones for $8 and problem solved! It drove me nuts for almost 8mo haha!!! Good luck and I hope this fixes your issue.
Edit* Both top and bottom bulbs blink for turn signal low and behold it was both of my bottom ones having that issue. I didn't realized both bulbs were used for turn signal that's what took me so long to figure it out cause they both looked the same.
Edit* Both top and bottom bulbs blink for turn signal low and behold it was both of my bottom ones having that issue. I didn't realized both bulbs were used for turn signal that's what took me so long to figure it out cause they both looked the same.
Last edited by Glen Kierstead; Apr 20, 2021 at 11:57 AM.
Thread Starter
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Tuned
Joined: Jan 2018
Posts: 272
Likes: 23
I had this problem when I bought my 17 back in August. Both sides did it. Well finally I realized just YESTERDAY that the bulbs 3157 have two filaments in them. One for the brake light/running tail lights and the other for the turn signal. Low and behold the filament for the turn signals was out but not the filament for the brake lights/daytime tail lights. Bought two new ones for $8 and problem solved! It drove me nuts for almost 8mo haha!!! Good luck and I hope this fixes your issue.
Edit* Both top and bottom bulbs blink for turn signal low and behold it was both of my bottom ones having that issue. I didn't realized both bulbs were used for turn signal that's what took me so long to figure it out cause they both looked the same.
Edit* Both top and bottom bulbs blink for turn signal low and behold it was both of my bottom ones having that issue. I didn't realized both bulbs were used for turn signal that's what took me so long to figure it out cause they both looked the same.
awesome find!!!
I will do this ASAP.
thanks for the help
Thread Starter
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Tuned
Joined: Jan 2018
Posts: 272
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So I found the problem. Double element in one of the lower back bulbs.
it looked perfect intact with no discoloration, but did not light up.
thanks for the help
it looked perfect intact with no discoloration, but did not light up.
thanks for the help
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New User
Joined: Sep 2020
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Outstanding! Glad I could pass this along. It drove me nuts with the hyper flash. Lol
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Fast blinking turn signal
Ther ware lots of posts about issues with water getting into the electrical connectors in the rear either side of the spare tire and above it. They need to be pulled apart, make sure there is no corrosion and filled with dielectric grease. Water in these has resulted in all sorts of weird electrical gremlins.
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