Here is what came in the box from Trail Tech:
Wheel speed sensor(s)
I just JB Welded the magnet onto the rotor
The coolant temp sensor threads right into the existing location on the bike
Power is wired to a 12v always-on circuit (direct to battery), but the gauge goes to sleep like this:
I have some wiring to tidy up here.
When you roll the front wheel, the backlight comes on: