+12v = Switched 12v!
GND = Ground
CANL = CANBus Low
CANH = CANBus High
FuelLvl = SENDING WIRE from your sending unit.  Calibration instructions here.
Neutrl  = Currently not in use
RTURN = Right turn signal switch +12v
LTURN = Left turn signal switch +12v
DIM = Headlight switch +12v. When you turn your headlights on it dims the screen to your pre-defined setting.  Click here for instructions.