ok so i am ready to put my fist through this nice new avic x920bt! i just swapped systems and my sub wont work on any set of pre amps from the hu? i have no idea why, but this is driving me insane! i have a brand new hu, mute wire mod all working perfect, until i went to install my amp/sub today. i have tested continuity on my rca cables and connections and all check out ok. power to amp is good, all wiring is new, radio been in about 2 months. all speakers work, fade, bal, gps, bluetooth etc...
it appears all my pre-amps are dead but i tested with a meter and im not getting any power from
