Rbohno Posted December 3, 2011 Report Share Posted December 3, 2011 I have a x930bt and cant find a wiring diagram. Head unit is installed and working fine but I am adding an amp and speakers and dont know what wire to connect "from the amp" which is called the "amp on" wire to the head unit. I have an Arc Audio amp with a blue wire labeled "amp on" and I dont know what wire to connect it to on the back of my head unit. A wiring diagram would be awesome if someone has that. Quote Link to post Share on other sites
cartman57 Posted December 3, 2011 Report Share Posted December 3, 2011 blue/white wire on the black HU power plug will turn on the amp, also called system remote control. hope it helps Quote Link to post Share on other sites
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