LED Lights
Thread Starter
Junior Member
Joined: Oct 2022
Posts: 9
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From: Port Huron MI
LED Lights
So I have an 04 F-150 and I have LEDs in it, Brake/tail and front marker/signal bulbs. I got the LED relay and now I have another problem. If I use the turn signal WITHOUT the parking/marker lights on literally EVERYTHING flashes! Dash Back Lights, Climate Control Back Lights, and all 4 lights indicator lights on the outside of the truck so literally everything. If I have the parking/marker lights on they work as normal and only the left or right sides flash. Has anyone else had this problem??? If so how did you fix it?
5 Year Member
Joined: Feb 2020
Posts: 7,715
Likes: 2,196
So I have an 04 F-150 and I have LEDs in it, Brake/tail and front marker/signal bulbs. I got the LED relay and now I have another problem. If I use the turn signal WITHOUT the parking/marker lights on literally EVERYTHING flashes! Dash Back Lights, Climate Control Back Lights, and all 4 lights indicator lights on the outside of the truck so literally everything. If I have the parking/marker lights on they work as normal and only the left or right sides flash. Has anyone else had this problem??? If so how did you fix it?
5 Year Member
Joined: Feb 2020
Posts: 7,715
Likes: 2,196
I’m sure you’ve considered this, but I’d go back to stock and hope it works. That way you could isolate if is bad parts. If stock no longer works then it will be more complicated diag (ie wiring problems from install). Good luck. Please update thread.
Thread Starter
Junior Member
Joined: Oct 2022
Posts: 9
Likes: 0
From: Port Huron MI
I have the incandescent bulbs in the front and LEDs in the back with the LED relay and its working but if I put LED lights in the front turn signals the flashing of everything happens even with the LED flasher installed.
It seems like its back feeding but not sure where from and what to do as I previously said putting the LED flasher relay in the 00 ranger stopped this issue.
Going to try getting another relay and hope it is just a faulty part
It seems like its back feeding but not sure where from and what to do as I previously said putting the LED flasher relay in the 00 ranger stopped this issue.
Going to try getting another relay and hope it is just a faulty part
Community Team
Joined: Jun 2016
Posts: 8,951
Likes: 7,486
From: Vermont
What brand LEDs are they? Cheap Amazon ones can and will do weird things like that.
Do you have a novita EP-27 Flasher or an Amazon special? Those too can have issues.
Id highly recommend a quality flasher unit with LEDs such as Sylvania Zevo. I had that combo in the 2008 I used to have for 5+ years.
Do you have a novita EP-27 Flasher or an Amazon special? Those too can have issues.
Id highly recommend a quality flasher unit with LEDs such as Sylvania Zevo. I had that combo in the 2008 I used to have for 5+ years.
Thread Starter
Junior Member
Joined: Oct 2022
Posts: 9
Likes: 0
From: Port Huron MI
I have the EP27 flasher. The LEDs are some generic ones from I think walmart but I dont remember.
I'll try some better LEDs and hope they are the issue.
Either that or my flasher is bad
I'll try some better LEDs and hope they are the issue.
Either that or my flasher is bad
