Hello fellow truck lovers.
I haven't been here in a while but I have a new issue and I'm hoping for any help I can get with it as I can't really afford to take it to a garage for exploratory surgery.

2011 F150 XTR SCREW, 5.0 L engine.

Last year both low beams went out at the same time. Everything else worked as advertised. Before I could fix it a couple days later, the wife took the truck to work and when she came back they were working. I chocked it up to a lose connection. Now, my right hand low beam has stopped working again. All other lights work fine, I have no power to the low beam wire of to the back of the light. Fuses are good and have power.
Before I start poking wires at -20 deg/C, does anyone have a good wire diagram for this year and model, or know of any known issues with this?? Any help would be great. Thanks.