Aux/Key On switch showed up today! Also some stickers and schwag.
Started with making a harness to the switch.
The other end gets a 6 pin Deutsch DT connector (really an Amazon JReady knockoff but they work excellent)
Mostly finished. My wire up is a little bit of a hybrid of the diagrams from another thread on the forums here. I want the Aux light on when switched to Aux, but I want the Key-On light on only with the headlights. I have everything done except the headlight connection so I left the zip tie loose for now.