Feedback in XBox in Escalade 2002

I have the Pioneer AVH P6600dvd in my 2002 Escalade and when I hook up an XBox to the brain.  I am getting feedback in the sound and video.  I have the inverter wired to the ignition and still no luck.  I know its not the brain because when I extend an extension cord from the home to the car there is no feedback.  When I hook it into the inverter the feedback starts.  If I hold the video jacks coming out of the brain at a certain angle it goes away.  Someone on another forum told me that I need a filter and that I have a ground loop.  I dont know what that is or where to put the filter or where to even buy the filter.  Please help.  Thanks in advance.

You can go to wal-mart or autozone or anywhere with a minimal car audio section and get a ground loop filter. I'm not positive thats your problem but its a good place to start. You unplug your RCA cables from the brain (just audio not video) and plug the filter in between the two. It's simple. I had an xbox in my old truck and I could never get the thing to sound right. During gameplay it was ok but while playing music from the harddrive it had bad distortion. Never did figure it out, but your problem sounds a little different.Nik

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wait i just reread your post and I'm not sure if you were talking about video or audio feedback, anyway put the filter on the RCA that has the problem. I think a ground loop filter will work on video. Am I right guys?Nik

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