Ultrasonic rodent repellers sound like the perfect car-rodent solution. You put a little device near the car, it makes a sound you mostly cannot hear, and the mice and rats decide to take their chewing business somewhere else. That would be lovely. Unfortunately, rodent prevention is rarely that clean. Ultrasonic repellers may help in some situations, especially as one layer in a broader prevention plan. But they are not a force field, and they should not be the only thing standing between your wiring harness and a mouse with poor life choices. Quick Answer: Do Ultrasonic Rodent Repellers Work for More…