DC 12V/24V Universal Motor Speed Controller Switch for Car Truck Fan Heater Control
- This electronic stepless speed controller is a upgraded fan heater controller with heat sink that will ensures a better heat dissipation..
- Easy to adjust and control speed of DC motor, simple wiring and convenient to use, a great replacement for broken one..
- Widely used for adjust motor speed, automobile fan heater control, defroster, fans speed regulation, etc..
- Red wire connected to the positive pole of power supply and motor, blue wire connected to the negative pole of motor, black wire connected to the....
- Way of connection: The red wire is connected to the positive pole of the power supply and the positive pole of the motor.