Oh man your setup looks super nice. The entire reason I bought the lights was so that he would actually have a use for those damn switches in the cab, but if I'm being honest with myself, having a switch in the bed he could hit when he needed the light (rather than remembering to hit the switch...
(Posting here as it has some Tremor-specific questions regarding the Aux switches, but can post in the Lighting subforum if more appropriate)
My old man picked up a Tremor and I thought as a birthday gift I'd buy/install some bed lighting for it. He's got a rolltop tonneau cover so I assume...