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View Full Version : from Audi Concert to Aftermarket Head unit!!!!! draining battery...help



pipe7284
08-22-2010, 03:28 PM
I tried searching and couldnt find jack shit on it. But since i installed the aftermarke headunit it has been draining the battery completely. I got this plug:

http://www.amazon.com/Stereo-Harness-radio-wiring-installation/dp/B000KL0ZLI/ref=sr_1_1?ie=UTF8&s=electronics&qid=1282516001&sr=8-1

and connected all the wires correctly to the aftermarket radio harness....it plays music fine and everything but its drainning the battery in a matter of hours!!!!!!!

please help me with this

thank you in advance

Jc61990
08-22-2010, 03:43 PM
for the pre amp. you used a switched 12v not a constant right?

pipe7284
08-22-2010, 03:48 PM
the red cable which is the ignition switch, so its switched off with the ignition off....

the yellow should be the constant hot.....could that be the one draining my battery??


could it also be the ground wire? can someone tell me which one is the ground on the stock harness, what color?

pipe7284
08-22-2010, 05:06 PM
c`mon guys, i am pretty sure someone here knows about radios and stuff!!!!

pipe7284
08-22-2010, 05:57 PM
forgot to mention that when i up the volume high enough, the sound will like dull, or "mute" itself!!!!!

need to get my girl`s car fixed asap...she starts class tomorrow

Mjan1992
08-23-2010, 07:52 PM
im pretty sure the ground is brown