Unfortunately that trick was only a short-term solution. I made many trips from Lafayette to New Orleans, and I watched the voltage drop from 13.8 volts to 12.5 WITH the AC and headlights on. Once things level out, the ELD WILL cut the voltage to save fuel.Or turn your AC on low and get 14v at idle //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif