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Old 03-03-2019, 01:56 PM   #1
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2019 F-150 Tailgate LEDs

I have tried to add Tailgate LEDs to my 2019 F-150 with the 4 Pin Plugin,
The truck keeps telling me the Trailer is Disconnected ???
Has anyone had this problem ???
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Old 03-03-2019, 02:10 PM   #2
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Doesn't surprise me. Computer is monitoring power thru the connectors. If all circuits aren't registering to the expected value, it'll post the warning. Lots of folks have reported similar issues that were related to the trailer brakes.
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Old 03-03-2019, 11:53 PM   #3
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Yeah your going to struggle with this. The truck monitors trailer light draw to let you know if there is a light out or a malfunction. It’s not going to like you plugging into it and only using a couple of the connections. Even then if it did like it you would have a trailer connected as far as it’s concerned which would disable your cross traffic and blind spot alerts.
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Old 03-04-2019, 12:28 AM   #4
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If you really want them..not sure why...you likely have to tap into your regular taillight wires.
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Old 03-04-2019, 09:10 AM   #5
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Thanks Guys !!!
I thought the answer was going to be to Hard Wire them,
not sure I am going that far ?
I really like having all the stop lights that are available !!!

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Old 03-04-2019, 09:38 AM   #6
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You probably need LEDs with resistors -- commonly available as replacements for the LED lights that will "fast blink" when used in turn signals, etc. The brake Ford controller can be fooled the same way.

Pretty sure you can also just turn off the brake controller when not needed so it's not detecting the low resistance.

And there may be settings in Forscan you can make to cure this, I've not looked closely at the F150 Forscan settings. The Ford F150 Forscan forum will have details I'm sure.

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Old 03-04-2019, 09:41 AM   #7
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Quote:
Originally Posted by Chuck_S View Post
You probably need LEDs with resistors -- commonly available as replacements for the LED lights that will "fast blink" when used in turn signals, etc. The brake Ford controller can be fooled the same way.

Pretty sure you can also just turn off the brake controller when not needed so it's not detecting the low resistance.

And there may be settings in Forscan you can make to cure this, I've not looked closely at the F150 Forscan settings. The Ford F150 Forscan forum will have details I'm sure.

-- Chuck
Thanks Chuck !!!
Think I will return them while I still can !!!
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Old 03-04-2019, 05:32 PM   #8
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Here is a great place that should have more info on this mod. https://www.f150forum.com/
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Old 03-04-2019, 05:37 PM   #9
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I put them on my 2015 F 150 & had the same problem. I hard wired them into the trucks tail lights. Not that hard to do. My lights have the back up LED's built into them & boy do they light things up !
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Old 03-05-2019, 08:49 AM   #10
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Co. that sells the ones I bought told me they had never heard of this problem !!!

B S !!!
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