Help with trailer TPMS/Camera S LC3Z-1A189-AJ

[tsigwing]

Got the 7 pin installed on the truck. Plugged the camera in, and it works. Was looking to test out the TPMS receiver before installing everything in the trailer, but I cannot figure out how to plug the harness into the TPMS receiver. There does not appear to be a matching plug. This was bought as a complete kit from Lorenzo Ford.

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[tsigwing]

Not included with the instructions I got, but the dealer provided after the fact was that you have to remove the connector

 

[tsigwing]

Full install instructions in case someone needs them.

 

[Sig Oris]

I had a similiar WTF moment.

 

[tsigwing]

I had a similiar WTF moment.

Do you happen to k ow if you can install just 3 of the tpms sensors without freaking out the truck? I have a two axle trailer and would like to also include the spare.

 

[Sig Oris]

Do you happen to k ow if you can install just 3 of the tpms sensors without freaking out the truck? I have a two axle trailer and would like to also include the spare.

I do not know. I used all four sensors for the TT

 

[endiz]

Hey @tsigwing , thanks for the tips, i'm sure i would be confused as well once I got to that part of the installation.

Question for you since you've already when through the install: I have a 2025 F150 502a PB (which includes towing technology & 360 camera). Do I only need to purchase LC3Z-1A189-AJ without any additional wiring harnesses?

 

[Buyer2021]

Do I only need to purchase LC3Z-1A189-AJ without any additional wiring harnesses?

As long as your truck has C439 with 9-wires into it you should be good to go.

If you already have the 7+12 pin bumper connector as OE it will be plugged into the back of it.

If you have the 7+4 pin bumper connector as OE (a replacement 7+12 connector is part of the kit), look for C439 'stowed' in a blind cap per this pic (spare tire dropped for better access).

^That^ should be the same for all Gen 14, ICE or PB. The 12-pin trailer interface has not changed to this date, thankfully; any year trailer or vehicle (F150 or SuperDuty) set up for this 12-pin system of cam &/or TPMS are all interchangeable - tow any equipped trailer with any equipped truck.

Fewer than 9 wires or no C439 .... you're gonna need additional wiring on the truck.

 

[tsigwing]

Hey @tsigwing , thanks for the tips, i'm sure i would be confused as well once I got to that part of the installation.

Question for you since you've already when through the install: I have a 2025 F150 502a PB (which includes towing technology & 360 camera). Do I only need to purchase LC3Z-1A189-AJ without any additional wiring harnesses?

You don't need the "J" unless you have the yaw sensor. And as the poster above said, crawl under and look at that connector, that was what I did.

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