Originally Posted by Deere3020
I just had the Pioneer AVH 8400 similar to yours installed, How'd you do the Parking brake override......long story, had best buy install it but totally forgot to ask/bribe about the parking brake override, guess I'll have to go back in and rewire it, should have just done it myself for the beginning
sorry for the delayed response. I bought the parking brake bypass on amazon when i purchased my Pioneer head unit. there are only three wires to connect. and instructions are included.