jlodder

Guys, I went to future shop to get some sort of insulator or filter contraption that would get rid of the Whine and the pops we have been getting in our trucks. I have GMC 2003 Sierra and I installed Stinger Ground Loop Isolators on the preamps of the head unit. Tried it out and the whines and pops are gone. so anyways there are available at future shop for 20 bucks a piece. you need femal by female connectors and rca wires to hook it up becasue the orientation of the units are built for aftermarket amps and are too be installed by the amp. this took me 5 minutes to install. the sound qual

I have just purchased a refurbished avic-Z1. I installed it myself and am now getting the same noise that has been described. (Whine from engine RPM and popping noises.) I installed the radio in a 2003 GMC Sierra with a Bose speaker system and no On-Star. I am new to the avic-z1 and to this site, however this site has been a great help so far. Is there anyone who knows what these ground loops are. and how do we get a better ground on the chasis? does this solve the problem? I have tried moving my ground on various bolts of the truck but nothing has worked yet. I heard some talk about inline