Lumen Trailer Wiring Question

[AzureBandit]

Got around to installing the lumen trailer wiring kit today and got to the plugs in the drivers upper fender. I already have a brown and a blue wire in the factory plug where I’m supposed to insert the new wires from the kit. Am I supposed to remove the two wires in positions 8 and 12 and use the wires in the lumen kit?

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[RagnarKon]

Do you have a 2023?

 

[AzureBandit]

Do you have a 2023?

Yeah it’s a 23. Sorry, forgot to include that helpful info in the post!

 

[Stickman]

Awesome to see you digging into this. I also have a ‘23 and it’s on my list. I received my harness back in November and thought I’d install it in the spring. Well… It’s spring. 🫣
You’ll have to let us know how it goes.
I’m assuming it’s the Lumen 4/7 pin harness. Are you going to the dealership to have the tow system programmed or do you feel comfortable with that?

 

[AzureBandit]

Awesome to see you digging into this. I also have a ‘23 and it’s on my list. I received my harness back in November and thought I’d install it in the spring. Well… It’s spring. 🫣
You’ll have to let us know how it goes.
I’m assuming it’s the Lumen 4/7 pin harness. Are you going to the dealership to have the tow system programmed or do you feel comfortable with that?

Yeah I’m installing the Lumen 4/7 from ford. The install has been pretty easy so far. I have everything done except the wiring in my original post. I’ll probably be programming myself. As long as I have the ability to revert to original programming then anything I can potentially mess up is no big deal.

 

[Stickman]

I found this! Maybe it will help if you’re still in a jam. Mr. Toad does a great job of breaking things down. Cheers!

 

[AzureBandit]

I found this! Maybe it will help if you’re still in a jam. Mr. Toad does a great job of breaking things down. Cheers!

yeah it’s a great video! Watched though it last night. Unfortunately he doesn’t run into my issue as his plug only came with 2 existing wires and mine came with 4.

 

[RagnarKon]

Yeah it’s a 23. Sorry, forgot to include that helpful info in the post!

Updated instructions attached for the 2023 folks. Wiring is slightly different.

EDIT-- Actually attached it this time.

 

[Stickman]

Got around to installing the lumen trailer wiring kit today and got to the plugs in the drivers upper fender. I already have a brown and a blue wire in the factory plug where I’m supposed to insert the new wires from the kit. Am I supposed to remove the two wires in positions 8 and 12 and use the wires in the lumen kit?

You’ve probably already figured it out, but this looks like what you’re describing. Just pull 8 and 12 out and tape them back. Thanks RagnarKon!

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