I have installed my F-700 in my 2006 Chevy Trailblazer. I am lucky in that I do NOT have the driver information center, so I did not have to used any of the CMOS installation stuff. Everything works fine, except my front speakers -both sides- have very little output and sound "tinny". I have checked my connections, and even ran a jumper cable directly from the outputs on the radio to the speaker wire...same thing.
BUT sometimes they work fine. I can tell if they are working by the ATT sounds. If I hear them then its working, then the phone works, nav sounds work, everything. If it is
