so I bought the 9.7 inch screen for 2008 land rover freelander 2 got mostly everything hooked up added a amplifier and sub powered up functions somewhat right and then the big issue I ran into no sound from factory speakers subwoofer works and beats but no speakers work i’m thinking the factory amp is the main issue idk if it’s not getting remote power on or if it’s not getting sound from the optical connectors it has the factory alpine so my question is there a remote wire I can run the remote wire from the unit to or is it a wire I can check to make it’s turning on or not I do have wires from the navigation screen that isn’t going into anything one of those being optical but I don’t really think I need it since i’m not using it plz help asap pictures below

 

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