Replacing MaxxAir fan circuit board for under $5
okay below is the motor controller and switch to reverse the polarity of the motor which will change the fan to blow in or out. The wiring diagram comes with the switch. WOWOONE 2Pcs PWM DC Motor Speed Controller 12v 7.2v 6v 5v 3v 1.8v 2A 30W, Low Voltage PWM Speed Controller for Electric Motor, PWM Controller 1803BK 1803B, Variable Speed DC Motor Control With Switch https://a.co/d/bmIKv1X MGI SpeedWare Latching Metal Toggle Switches, 20 Amp at 12vDC 125vAC, 6-Pin DPDT ON/Off/ON 1-Pack https://a.co/d/fEnm6Sr
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