Head unit install: Need Park brake and reverse wires!
I'm 95% done installing an Alpine IVE-535HD head unit, but I've hit a couple of bumps. To complete the install, I need 12 volt signal from the park brake and reverse.
I can't cheat the park brake by wiring it up to the keyed 12V, as the head unit needs to see the on-off-on of the park brake to access certain features. The switch at the park brake pedal is ground signal only, but there must be a 12V source somewhere. Where?
Also, I'll eventually need 12V reverse wire to complete the reverse camera installation. Where can I find that?
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