Originally Posted by rsc

I would wire in an electric on/off override to the e-fan in case I'm out wheeling and need to turn the fan off. Like if I have to cross water or I get into a mud puddle that's deeper than I had originally thought and the water starts getting over the bumper I can shut the fan off and not have the fan slapping around in the water or burning up the motor or brushes/armature if submerged. Generally I stay away from the deep stuff but accidents can happen.