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No brake lights, dim signal, everything blinking.


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BlitzD
New User

Apr 5, 2018, 12:19 PM

Post #1 of 6 (304 views)
No brake lights, dim signal, everything blinking. Sign In

2005F150. It sat all winter while I was using my other truck, few days after I brought it back out
No brake lights, all rear lights dim on signal/hazard, all lights blink on signal even the license plate lights. Driver much brighter than pass.
Tried a different battery and all other lights on truck fine.
Went through all wiring from where it comes out of rocker panel all the way to the back, took off all grounds from frame cleaned and put back on. Nothing changed.
Anything else this could be? Not 100% but if the ground was closer to the front more systems would be flickering or not working.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Apr 5, 2018, 1:38 PM

Post #2 of 6 (292 views)
Re: No brake lights, dim signal, everything blinking. Sign In

It doesn't matter where on the car the ground it. It's just a matter of what circuit is tied into that ground.

The ground for those lights is behind the left front kick panel.

It's G303



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Apr 5, 2018, 1:58 PM)


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Apr 5, 2018, 1:39 PM

Post #3 of 6 (290 views)
Re: No brake lights, dim signal, everything blinking. Sign In

I see that picture came out way too big so I will wait for you to see it and then delete it.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



BlitzD
New User

Apr 5, 2018, 1:55 PM

Post #4 of 6 (284 views)
Re: No brake lights, dim signal, everything blinking. Sign In

Will look at that, found a bunch of wiring diagrams but nothing about that thanks.


BlitzD
New User

Apr 8, 2018, 5:25 PM

Post #5 of 6 (213 views)
Re: No brake lights, dim signal, everything blinking. Sign In

So I feel like ive done everything, went through everything, getting 12volts at all the lights and 12volts and at the ground so im not 100% where to go to from here, its my second truck so doubt ill take it somewhere, and just play with it when I think of anything else.
Any other ideas would be awesome cause i'm out.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Apr 9, 2018, 4:52 AM

Post #6 of 6 (200 views)
Re: No brake lights, dim signal, everything blinking. Sign In

You'll just have to follow the wiring diagram and test the circuits.









~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.







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