I just had a Z-1 installed yesterday after doing research and am excited to have it. i just wanted to say thanks to this forum with all the helpful tips with how to bypass so i have full Nav controls and DVD while in motion. As soon as i got home i tore it apart and found a shitty installation but nevertheless I grounded the wires and it is beautiful.
Now my problem. I connected my Treo to the unit and that went smooth. I do have an echo problem though but my real problem is that i lose my phone connection after talking for 5-10 minutes everytime. As soon as it loses connection it t