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Old 06-01-2014, 11:45 PM   #1
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Refrigerator fan - what to connect it to?

So after dealing with frozen veggies in the refer our last trip out, I would like to check into installing some kind of DC fan inside the refer to even out the temps. I understand the concept and all, but can't figure out how to power the fans. Surely they don't run constantly? Do you connect them to the light so they run when you open the door? That doesn't seem like enough to be effective. Do you need some kind of a thermostat?

Any help would be appreciated.

Wayne
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Old 06-02-2014, 02:36 AM   #2
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I installed one in my TT a few years ago. I ran the power wire from the fan into the light plug connector (hot side) inside the frig. The fan runs all the time, but when I'm not using the frig I just un-clip the fan (turns off) and set it on the top rack..., the alligator clip is the ground for the fan operation.

My BIL also put a fan in his Eagle FW frig, but the light operates differently (magnetic switch) so we couldn't use the plug connector. We ran a wire down the condensation tube and spliced it into a hot DC wire on the back side of the frig (accessed from the outside).

Bob
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Old 06-02-2014, 09:58 AM   #3
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I installed one in my TT a few years ago. I ran the power wire from the fan into the light plug connector (hot side) inside the frig. The fan runs all the time, but when I'm not using the frig I just un-clip the fan (turns off) and set it on the top rack..., the alligator clip is the ground for the fan operation.

My BIL also put a fan in his Eagle FW frig, but the light operates differently (magnetic switch) so we couldn't use the plug connector. We ran a wire down the condensation tube and spliced it into a hot DC wire on the back side of the frig (accessed from the outside).

Bob
Yup, our previous and current TTs were wired down the little drain tube.
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Old 06-02-2014, 10:59 AM   #4
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I bought one on line that clips to the heat sink, which acts as the ground$10, and was easier to do than to find the parts. I think it cost about . To power it I ran a small wire up the condensation drain from the outside access panel. I do not recall the power point I used, but it was the DC power supply to the Frig controls. When I want the fan I clip it to the heatsink, when I do not want it I unclip it and set it on the shelf. Works great!
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Old 06-02-2014, 11:34 AM   #5
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I bought a battery operated one that works great!
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Old 06-05-2014, 12:21 AM   #6
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I see. So it does basically run all the time. Didn't realize that. Thanks everyone. Will start looking around. Sounds like a worthwhile mod.
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Old 06-05-2014, 06:03 AM   #7
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The bearings in my clip on twin fan unit are starting to fail. I salvaged a bigger 12V fan from a frequency drive we replaced at work on one of our machines. There is a possibility that I might wire the freq drive fan in permanently and put a switch on it.
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Old 06-05-2014, 07:12 AM   #8
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I installed one in my TT a few years ago. I ran the power wire from the fan into the light plug connector (hot side) inside the frig. The fan runs all the time, but when I'm not using the frig I just un-clip the fan (turns off) and set it on the top rack..., the alligator clip is the ground for the fan operation.

My BIL also put a fan in his Eagle FW frig, but the light operates differently (magnetic switch) so we couldn't use the plug connector. We ran a wire down the condensation tube and spliced it into a hot DC wire on the back side of the frig (accessed from the outside).

Bob
Did the rain tube this time around and when my fridge gets shut down the fan does also on the selected circuit. The fan also uses the alligator clip to complete the circuit so you can simply un-clip the fan and it will shut off when not in use. My light was not always hot but only when the door was opened which is why I had to go that way.
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Old 06-05-2014, 08:45 PM   #9
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Did the rain tube this time around and when my fridge gets shut down the fan does also on the selected circuit. The fan also uses the alligator clip to complete the circuit so you can simply un-clip the fan and it will shut off when not in use. My light was not always hot but only when the door was opened which is why I had to go that way.
This is what I did too. This was one of the first mods I did, super E-Z......
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Old 06-11-2014, 06:46 PM   #10
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Check out my sweet fan upgrade completed today!!

https://www.jaycoowners.com/forums/sh...ad.php?t=20140
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