|
The REM wire connnection is what tells your amp to turn on or off. If you attached it to a always on +12v source, the amp will always be on which is what your buddy did. You need to find a switched power source (+12v when the ignition is on, 0V when its off) to do it properly. There will be a switched power source on the back of the head unit, you just need to tap the correct wire (There's a wiring diagram on here somewhere to see which color you need to tap).
Also don't forget on the head unit to set Subwoofer: On in the settings menu to enable to RCA output to the Sub.
As for power routing, I haven't started mine yet so no comment but usually battery through the firewall where you can find room, then down one side of the car and to the amp.
|