Can A Car Radio Drain Your Battery. Car radio draining battery. Parasitic drain occurs when vehicle components continue to draw power from your vehicles 12v system even after the key is removed entirely.
If a radio is newly installed it is most likely wired to a. As a general rule before fixing a car stereo draining battery you need to know if the stereo is old or newly installed. If your car battery dies within a few hours of listening to music you may need to see a mechanic.
If you have a healthy battery that is usually true.
Your 12v battery will deliver power to your car to do things like saving your radio presets keeping the clock running and. Running a radio with the engine off in your car can theoretically drain your battery even if it is unlikely for most modern cars. If your car refuses to start after youve been listening to radio with the engine off for a few hours you may have a problem. If a radio is newly installed it is most likely wired to a fuse that receives power when the engine is off.
