Basically i've spliced into the wires at the back to go into an RCA converter, and to the SUB in the boot.
I've done this several times before but never had the problem i'm getting...
Basically if I plug the left RCA into the amp, I get sound, if I plug the right RCA into the amp (on its own) I also get sound.
However, when I plug them both into the amp the sound goes dead.
I'm definitely connected to the rear speaker wires, as if i put the fader on full rear then the fronts goes off and the bass still comes out of the sub.
However what I have noticed is that if i put the 'balance' on full left or right, I still get sound from both the left and right RCAs!!
God knows what i've done here, any ideas??
I used the same colours from the back stereo as the colours were on the back speakers.
E.g. back right was purple and grey so I used those, and back left right brown and green i think.