Originally Posted by venom

Doesnt matter if its mono,2ch etc. 2 ohm,1 or 4 you should get some audio signal to the driver even if you hooked it up wrong. I would just wire 1 driver to the amps channel and see if you get anything. You said that speakers worked inside your house using another source.

Do what I mentioned above and stop dicking around the internet trying to fix a problem by reading diagrams. You need to isolate components and narrow it down to amp,head unit or speakers which you have tested good so that leaves amp or head unit.