I hooked up my headunit today, and noticed a couple of things...
1st, the speakers pick up a lot of engine noise. 2nd even when the car is off the speakers have a hum to them.
I had curcuit city put the harness together for me. I am using a GMOS-04 Harness.
Is there a better harness? I noticed even the door chime isnt as noticeable.
As of right now, the stock hu is back in and I am again!