Need help with wire identification left rear light assembly.

[Hawkpilot10]

Hello you all!
Just got my RR a few days ago and started adding toys. I need to find the wiring diagram for the driver side back light assembly. Specifically after the first cable that come from the back of the light. It has a a connector to the main harness and those wires are easy to see the color code and easy to tap into. I have installed a rollup cover Tessera https://tessera4x4.com and I need to tap into the brake light wire and the normal red light wire when headlights are active. The rear part of the top has a cool light bar that’s dim then bright when on the brakes.
i tried to hook it up to the trailer circuit but it acted like I had hooked up a trailer so that didn’t work.
If anyone can help me find the color codes and meaning I would be extremely happy to get this project over with.

Thank you all!

Pat

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[dguffin]

How did your install go. I just order a power cover from the same company. Looking at there online instructions I think I may be running my wiring inside to the BCM connectors. One of there connections is to go to the tailgate harness for the third brake lamp circuit. The American truck doesn’t have this circuit because of the third brake light location in the cab. To answer your question the brake light circuit color is BU/GR pin 2 and the park light color is VT/GR pin 10 for LR tail lamp.