workn2fish
Junior Member
My 2007 RAM 3500 6.7 has the factory radio. Since the day I bought the truck used in 2012, it's had this intermittent issue. When you turn the key on, the radio works fine, after you start the truck, it's dark and won't function. The clock still works but nothing else. Sometimes after it's warmed up, it will stay on after I start the truck but it seems to be getting worse. I was told a while ago that I might benefit from switching to AGM batteries since they have higher reserve than flooded. If I leave the block heater plugged in, it seems to have less issue than if I don't. Yesterday was by far the worst. On a 525 mile ground trip with about 6-7 stops, the radio only worked once when it was dead cold and once a couple hours later. Never worked the rest of the trip.
Any ideas?
Any ideas?