I feel like an idiot for asking help on this but I am really at the end of my rope on this. I bought the Pioneer x940bt and since I bypassed it even more. I bought the Pioneer GEX-P20HD HD radio to spice it up a bit and I have no clue on how to install this. I have installed radios before but this was my 1st attempt at a radio like this. The instruction manual for the HD radio did not really help me much and I stopped at this. It says to ground the black wire that comes the hd radio? OK so I take a terminal wire connector and I figured that was done? Why do they even send it with that wire I h
