Passenger Turn Signal Gremlin

Vehicle is a 2021 SR5.

Im having the passenger side turn signal completely cut out. Sometimes after 2 blinks, sometimes after 10....sometimes not at all and it works fine. When I say cut out i mean the entire right turn signal is dead. Turn it off, wait 10 seconds, flip the arm up and it will come back on, but flash 1 time, 3 times or 10 then die again. Fuse is fine. Turn signal flash is normal when its working. And no issue at all ever on the left side.

Variables: I have the AlphaRex LUXX tail Lights and the boost auto tow mirrors with the turn signal on the outside and in the mirror. Truck was fine with just the tail lights, problems started when I installed the mirrors. Boost auto sent me a complete right hand mirror assembly but the issues remain. The mirror has 2 turn signals on it. One on the front of the mirror assembly and one in the mirror glass itself. With the mirror glass unplugged the problem remains. The part that makes ZERO sense is that it seems to be worse during day time driving with no headlights. When the headlights or parking lights are on....it doesn't happen. It only seems to happen with the headlights off. The light in the front of the mirror is on with the headlights and its a sequential turn signal. Further troubleshooting I put in the stock tail light on the right side and the problem didn't happen. No issues at all. Today, I will put the AlphaRex taillight back in and drive with the parking lights on to see if I can get it to do it while running a few errands. Update later today.

Has anyone seen anything like this or know of anything unique about the right turn signal circuit that could be causing this? It screams a LED light and voltage issue, but its not telling me there is a bulb out.....so I am just stumped.

Appreciate ideas and things to try.

Kris