Hello Group. I just found the forum and am happy to have found you, but sad to have read what I just read. I just installed a AVH-3300BT and AVIC U-220 in my 95 Corvette. After install I quickly realized that the Parking Brake bypass relay was needed. So I made one from a relay I bought at an auto parts store. Simple enough I did mine just like others in this thread have shown. Although this gives some function to the DVD ability the real issue I want to resolve is the navigation function. After reading this thread I see that that may not be possible. At least currently. I have to say that thi
