machuntExplorerFeb 27, 2020block heateri have a 2013 chevy 1 ton dually, doesel of course. after plugging in my block heater over night, it seemed hard to start. up untill now everything seemen fine. i do have 120 volts at my plug in.
mapguyExplorerFeb 29, 2020duramax coolant heater on this era truck has a thermostat. Thermostat enables heater operation at 0 degrees F.If you need PDF copies of your owners manual and duramax supplement -they are available at https://my.chevrolet.com You may need to register to access the duramax supplement.