February 4, 2008 17:12
Check out Lind Electronics, Inc. at www.lindelectronics.com. They have an automobile adapter designed for use with Apple G4 Input 12-32Vdc 15 Amp Max. and Output 24Vdc 2.5A The model number is AP2425-846. I have used this for some time now and it works great. Be careful of the USB hocky puck GPS. I made the mistake of moving my laptop and GPS to a new location and placed the GPS on the laptop to carry it with one hand free. I lost my hard drive do to magnet in bottom of GPS. Live and learn