
Originally Posted by
holdenboy
You sure its not something simple like the balance is all the way to the left?
Otherwise the wiring may have broken where it runs from the kick panel and into the door. I would take off the side plate of the dash (the piece that joins to the door vents) and look around for the wiring, it will be two wires, one dark green and the other light green.....There should be a plug there too, just unlpug it and temporarily connect some speaker cable to it and then to a test speaker, if it works then a wire has probably broken in that rubber grommit in between the kick panel and door.
Another way to do it is to remove the head-unit and test each wire with a multimeter for continuity.