Ford Mustang Forum - View Single Post - Mach 460 ground/engine noise?
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post #14 of (permalink) Old 05-22-2014
tmitchell5188's Avatar
Joined: Nov 2010
Location: Salem Twp
Posts: 2
I have the same problem in my 1994 GT. Did you ever find the root cause? I've replaced all 3 amps and the main unit. I'm stumped on what to do next. Any ideas?
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