Hey guys, I installed some RCA inputs on the back of my Alpine cda-9811 deck right, since the FM transmitter produces crappy SQ. Well when I plug it into my headphone jack on the MP3 Player and have my HU on AUX, it wont produce sound. Whats wrong?? Thanks, Nick.
don't multiple post , please. i would of gotten to u by morning.
ok ok take it from a guy who has done this type of setup on over like 20 units. heres what's wrong, yes aux setting is correct, is your wiring? no. you are plugged into the line in jack instead of the aux jack. line in u will barely here any music with the player on max volume and the sound will be the same no matter where the volume knob is on the head unit. basically you bypassing the internal amp in the hu. u need to plug into the aux port not the line in port on the hu. now 2 more things if ur aux is a 3.5 mm port u need a double ended male to male connector. one goes to the player one to the head unit. now as far as left right rcas go that's prob your line in cause most new units use only the 3.5 mm port for aux esp pioneers. only time i seen units use the rca type aux input would be unit's 3 years or older. hope this answers your question.
lastly if all this doesn't help take a pic of the back of the unit and post it and i'll help you further.