The humidity control and fan can be operated separately. Does it have adjustable fan speed and heat level? Piece of cake. I installed an attic fan with a thermostat. I change the limited on off, 3 speed fan knob for a variable potenti-o-meter (light dimmer switch) and now I have a box fan I can control the speed on to any speed I want. May not be a good idea to bypass the circuit boards if there is any safety circuitry on it. I placed the relay in the 3rd headlight pod. Active 4 years ago. There are a number of links on the internet that have various kinds of information on ceiling fans… 1. Hope this makes sense. (I took a picture, but there seems to be a problem with photobucket, so I can't upload it and post it here - at least not yet.) Electrical. My computer is not turning on the fan until the engine is 240+ EOT. This closed the circuit from fused battery source that went directly to the positive wire leading to the fan. You can connect the brown to a switch or you can connect it directly to the hot conductor to have the humidity sensor operate full-time. If the relay goes bad..this won't help but at least you will know where the problem is. Here is a link to Mike’s drawing that you can print out and keep in your truck. Flip off the circuit breaker controlling the wall switch in the room. Is there a way to just bypass the fan speed selector? The accessory power to the switch was provided by tapping into the power source for the 12v outlet. The other post says to ground the dark blue wire. Use a 1- or 2- function wall control. ErinA50 JiminyS. Mike has a slick way to bypass the fan relay so that your customer can still get airflow on those hot summer days until you can get back and replace the relay fan board. It's cheap and easy and even saves energy. Fan thermostat bypass switch — best practices. Ask Question Asked 4 years ago. I am going to install a manual override switch. Note that this will bypass the thermo or fan switch only. Could I simply remove the switch and box and rewire it to be a one-speed ceiling fan? Switching on the fan directly overrides that mode. One switch is for the light, the other may be a fan speed control dimmer — after having lived with it for a few months, I’m considering removing my dimmer and turning it to a simple on/off. There is a remote inside the inner working of the fan, which responds to a remote control. A remote-controlled ceiling fan bypasses one of the wall switches and allows for remote access to the ceiling fan's workings. If there is a spare a single gang double switch would fit in the existing box and you would have the same control that you plan. I used a simple relay triggered from the switch. UPDATE: 4/9/16: Switch came and installed. Double-check that it is off by mounting a ladder to the ceiling fan. I have seen a few posts that say to go to the top of the fan shroud and ground the light blue wire. 1 reply 0. Then put it all back together. Even when I used the remote, the HI setting was about the speed of a normal fan’s “medium”, and the low speed didn’t do much of anything. I Want To Bypass The Pull Switch That Keeps Breaking And Add A Remote. A remote can speed up or slow down the fan, turn the fan on and off or turn the lights connected to the ceiling fan on and off. You will need to tap... Is There A Ceiling Fan Diagram? Viewed 758 times 0. I think you are better off getting Z-wave low voltage relay and switch the … If it is a pull switch now, it has constant power at the box on the ceiling/wall. Do not use a dimmer switch to operate the humidity control. And definitely do not omit fuse that is on the yellow board right now. The switch will pass the electricity from the panel to a light or ceiling fan whenever the light switch is turned on, and break the power connection when the switch is turned off.