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Looking for ID of unknown wiring harness near driver side tail light

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Wildtrak
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'24 Wildtrak Lux

Had a gnarly rattle near tailgate area.

Made my wife drive me around in the cargo compartment and found this dangling near the driver's tail light. It was swinging like a pendelum and making a hellacious noise on bumps or accel/decel.

The only thing I had done in the vicinity was the dealer had to put the trailer hitch adapter on since Ford apparently won't do that at the factory for some reason. I can't remember if this rattle started before or after that because I only had the bronco a few days before the hitch was installed. Is this loose harness something the dealer might've messed up related to the towing package?

This is where I could almost pull the harness out to, it was resting vertically like the tail of an animal hanging from the top and swinging like a pendelum just forward of the left(driver) tail light, about 12-15" behind where you see me pulling on it in these pictures.
Ford Bronco Looking for ID of unknown wiring harness near driver side tail light ratt
Ford Bronco Looking for ID of unknown wiring harness near driver side tail light ratt2
? What does this harness go to? Can anyone ID it? I will go check the function of my tail/brake lights when I have a friend visit that can do it for me.
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C6ZZGT

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The trailer module is down there,maybe not plugged in?
 
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Does the rear door lock or easy access work when the handle is touched?
 

Dreamer

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Does the rear door lock or easy access work when the handle is touched?
Had the same issue when I had the dealer installed trailer tow package installed on my 24 Badlands. My rear lock unlocked worked sporadically when I used my hand to unlock the tailgate. The key fob worked 100% of the time. To open it using just your hand, it only worked when I touched the key fob to the handle itself.

I believe that plug gets attached to the antenna, which is attached to the plastic trim panel. I just pulled mine away and plugged it back in and everything worked again. I chalked it up to lazy and sloppy service tech

good luck
 

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LSW

Wildtrak
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No, my tailgate keyless entry has been working poorly now that you mention it. I guess this was a case of shoddy dealer work on the dealer installed towing package option. Sad, but I’ll guess I’ll have to take it back to them.
 
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LSW

Wildtrak
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I was able to fix this on my own thanks to the wiring diagram posted earlier. Just felt around blindly for the harness terminal on the interior plastic trim panel and rotated the loose harness until it was apinged to snap in. My tailgate’s keyless entry functionality was restored and the rattle is still gone. Unfortunately the dealer or maybe I broke several of the plastic white trim push pins the side panel which I had the honor of buying for $9 apiece, must be molded in pure gold.
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