04MuranoD3 Posted June 26, 2007 Report Share Posted June 26, 2007 I have a D3 bypassed that is making a high pitched noise....does it need to be regrounded or is something else wrong? Quote Link to post Share on other sites
Jabster Posted June 26, 2007 Report Share Posted June 26, 2007 GROUND, GROUND, GROUND! I just went through the same thing on my initial install in an '02 Toyota Sequoia. There's lots of threads on this, but here's what I did to resolve it... http://avic411.com/forum/viewtopic.php?t=7966 Good luck! jan j Quote Link to post Share on other sites
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