How To Add Power Wire for MaxxFan Deluxe Vent with Fan


Would like to install one of these on the bedroom opening of a 2016 Keystone Cougar 313RLI but dont know how to get 12 volt power to this model of MaxxAir Fan. I took the interior flange off of the existing vent no fan and I dont see any wiring to connect to. Would I need to fish wire from a light or the bathroom fan?


Expert Reply:

The MaxxFan Deluxe Roof Vent w/ 12V Fan, Thermostat, and Remote - Powered Lift - 10 Speed - Smoke # MA00-07500K requires 12V power at 5 amp draw. Since you are installing in a location that doesn't have power wires run, you will need to run a power wire like # 12-1-1 or # 10-1-1 (sold by the foot) to your battery or to another 12V power source that can handle that draw. There is a good chance the bathroom fan or a light could be a good tie in point as long as you tie in prior to a switch.

You will want to be careful when fishing wire to make sure you don't snag the wire insulation and expose the wire.

For the installation on the exterior, I recommend the installation kit # 344270KITW. I've attached a video to assist.

expert reply by:
Jason S

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Follow up Questions

Patricia P.

I understand the black is the positive. I watched another video where the wires were connected to a cigarette lighter connection and he connected black to black and red to red, Was that right? 72279

Reply from Chris R.

Assuming the power and ground matched up with those wire colors, it would be correct. Is the video you referred to on our site or somewhere else? I want to make sure I'm understanding this completely. 59257

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