I just bought that harness and noticed that the shaker has 3 plugs and the harness from crutchfield only has 2. Where do I connect the two blue wires on the smaller plug. I know that they're the 12v for the amps but I can't figure out where to connect them.
THIS thread details how to install and wire a Pioneer AVIC head unit, including how to wire the voltage regulator for the factory skipper 500 amps. Other head units are the same...