2003 mitsubishi GalantJune 14, 2015when i turn my a/c and radio at same time (a/c at max setting) the cdash lights go out and the car tries to die Keywords:galant 1 thought on “2003 mitsubishi Galant” Freeautomechanic June 15, 2015 at 9:48 am Do you have an aftermarket radio? It may be drawing to many amps from the alternator and not able to keep up with the aftermarket setup. May have a weak battery and or alternator. Also make sure there is no corrosion at the battery connection terminals. Bad connections create resistance that prevents the battery from being properly charged. Comments are closed.