99t4rweos said:There should be 2 wires at the brake switch, with a Digital meter, check the green w/white wire with the brakes applied. It should read B+. This should is the output wire of the switch you want.
What is a video lockout for with the brakes?
bigacuralvr said:Or, you could get a toggle switch, attach one side to the brake wire on the alpine, and ground the other side out. Then, you can watch while driving...I do this for NAV purposes only, of course.