Headlight conversion help!
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2nd Gear
Joined: May 2024
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Headlight conversion help!
I have a factory 2017 lariat ultimate Halogen truck that had an LED conversion already done when I purchased. I decided to do a face lift to a 20-22 LED front end. So I tried using the same adapter harness and it plugged in fine, light turn on (no high beams as expected) but the “c” won’t light, now I did switch the pins in the connector how I read the factory 17 LED trucks are doing but did nothing on my end. Any recommendations ? I’ve heard I have to run a wire straight to the ignition but looking for some more advice.
Fleet Mechanic
Joined: Dec 2006
Posts: 1,767
Likes: 133
From: Maryland
How was the led conversion done originally? When I converted my 2017 king ranch from halogen to oem led, I used the Boosted Grey goose harness which added pins to the harness inside to allow for communication to the led lights. I also used Forscan to update some settings for the C to operate properly.
Fleet Mechanic
Joined: Dec 2006
Posts: 1,767
Likes: 133
From: Maryland
Thread Starter
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2nd Gear
Joined: May 2024
Posts: 2
Likes: 0
How was the led conversion done originally? When I converted my 2017 king ranch from halogen to oem led, I used the Boosted Grey goose harness which added pins to the harness inside to allow for communication to the led lights. I also used Forscan to update some settings for the C to operate properly.
great question, I believe it was a retro customz adapter harness, there was a small box in the truck labeled retro customz with Obd connector which I assume was for the forescan codes
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