need help wiring line output converter
 

have an 2002 blazer im trying to hook my amp and subs to the factory radio but dnt know what color the left rear an right rear speaker wires are to connect the line output to??? need help

http://www.the12volt.com/installbay/...etail/437.html

should be brown & yellow for the left
and
dark blue & light blue for the right.

What brand output converter are you using? I just did this yesterday with a scosche output converter and did not get any signal through the rca wires

thank u! it worked