In a simple heater fan circuit ... Consequently, Simes noted, “Modern/automatic car climate control systems having digital displays may have the blower resistors (transistors) integrated ...
They advise turning the heat control knob to the maximum while keeping the fan off. When the engine warms up, then you can turn off the fan. Your car heater works better that way. Despite the ...
CARS.COM — Why does your car heater blow cold air ... On cars with automatic temperature control, a “set-and-forget” feature that is supposed to maintain a constant temperature, the computer ...