What is the Function of Diode on Fan-Tastic Vent Speed Control

Question

Question:

I have a older RV with a Fantastic fan. The fan wasnt working. I went through the components and found that if I jumped the remote speed control diode. the speed control and fan worked as it should. What is the function of this diode?

asked by: Chuck B

0

Expert Reply:

Diodes are designed to keep electricity from back-feeding into the power source and causing shorts in the circuit. If the Replacement 3-Speed Switch for Fan-Tastic Vent Roof Vent # FVK1031-05 is what you're needing then I do recommend replacing the switch so you have the diode for protection.

expert reply by: Jon G

0

Answer 1

If you for sure used a 3 speed switch like the #FVK1031-05 as a replacement switch it would appear that the wiring of the switch might be messed up. I'd check that to see if that allows the different speeds to function again. I attached a diagram…

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Answer 2

I will be happy to tell you the functions of the terminals on the back of Replacement 3-Speed Switch for Fan-Tastic Vent Roof Vent Item #FVK1031-05. The one labeled B is for battery power in. The terminal labeled C is the connection to the circuit…

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Answer 3

You can trace the connectors you have on your fan assembly to determine where they terminate in order to install the new switch #FVK1031-05. Why your old switch had only 2 of them connected I can't say unless it did not have all the functions…

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Answer 4

Since you don't have the wiring harness on your previous RV water heater you most likely had an all propane powered unit. The Atwood RV Water Heater w/ Heat Exchange - Gas and Electric - Automatic Pilot - 8,800 Btu - 6 Gal #AT96163 is powered by…

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Answer 5

We have replacement Atwood water heater switches like the part #AT91859 which is white, #AT91959 which is black or part #AT91230 which is a panel with two switches.

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Answer 6

There is not a ground wire connection on the #FVK1031-05 so you would want to connect the positive wires from the circuit board, fan motor and battery, and then ground the wires from those connections independently from the switch to the frame of the…

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Answer 7

I've never heard of an actual third brake light connector on a camper shell to plug in on a truck and we don't carry any parts to do that. The light generally needs to be hardwired into the truck's brake light circuit. The issue with this…

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Answer 8

If your vehicle has a factory brake controller plug, you can simply use the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers – Ford, Item #3034-P, which will connect to the vehicle plug and the brake controller. On the new E-450…

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Answer 9

I have a solution for you, but we do not carry Glo-Brite lights, so replacing it with the same brand will not be something I can offer you. Instead, to replace your Glo-Brite 9852-88, I recommend using the Optronics LED Trailer Tail Light #STL72RB.…

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Answer 10

The number you provided, "7753400" is a patent number which corelates to the Equalizer for E-Z Flex Suspension part #013-144-03. This is for a single equalizer but if you need the entire kit it's the Dexter E-Z Flex Suspension Kit part…

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Answer 11

For your enclosed trailer application I have several suggestions for adding interior lighting that you can control directly via a switch. Since your current 4-pole trailer wiring does NOT include a 12V auxiliary power feed that could power inside…

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Answer 12

We do have the Rhino-Rack Masterkey Lock Barrels #RRRK093-2 which will provide you with 2 new lock cores and keys for your Rhino-Rack Zenith MasterFit Rooftop Cargo Box #RRRMFZ66. As far as pricing goes on the different sets they can change based on…

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