IM PUTTING IN SUBS IN MY 09 ACCORD AND I WANT TO KEEP MY STOCK HEAD UNIT?

I BOUGHT RCA CONVERTER BUT I DONT KNOW TO WHAT CABLES TO ADAPT IT TO THE HEAD UNIT HARNESS

I DID IT BEFORE WITH MY MUSTANG BUT THIS ACCORD IS DIFFERENT

IS THERE ANY INTRUCTIONS ON THE WEBIM PUTTING IN SUBS IN MY 09 ACCORD AND I WANT TO KEEP MY STOCK HEAD UNIT?
www.crutchfield.comIM PUTTING IN SUBS IN MY 09 ACCORD AND I WANT TO KEEP MY STOCK HEAD UNIT?
Locate Your Rear Speakers, Splice The In line RCA Converter Into Rear Speaker Wires, Attach RCA For In line Converter To Amp, Wire Amp, Hook Up Subs, Install Into Box, Done Deal... Go Beat Down The BlockIM PUTTING IN SUBS IN MY 09 ACCORD AND I WANT TO KEEP MY STOCK HEAD UNIT?
nope not for an 09 accord... but my advice take it to somebody to do it they will be able to find every wire by running different test and btw we gotta make money for this ...no offense...