Diagram on radio body

[bowerhour4334]

Looking at the wiring diagram on the body of the radio, does DI indicate the dimmer power? This is the wire that turns on the back light correct? Im looking for a wire to tap to power the back light on a boost guage. Its solid purple. Premium 6, black buttons.

 

[BAMF]

Not sure if you figured this out yet, but there is no dimmer wire at the radio (it's done over CAN bus.) You can use one of the wires at the headlight switch, but you'll have to probe to see which one is +12v with lights on.