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Old 11-18-2015, 05:37 PM   #1
DBS
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T-1550 & Dometic Fridge

I have a 1984 T-1550 and the fridge did not work when I bought the trailer a year ago. The fridge is a dometic RM-361. I've been using the fridge for dry storage. I tried to fix the fridge several times. It is the original factory fridge.
I recently found a great deal on a used 2006 dometic rm-2351, and I bought it.
The rm-2351 is the exact same size and is the model dometic recommends for replacing the rm-361
The rm-2351 runs on DC and uses AC and gas(propane) to operate.

I have installed the rm-2351 and still need to hook it up to dc power. I need to run a positive and negative wire from the back of the fridge to the battery mounted on the front of the trailer hitch.

So I'm wondering where and how to run the wires from the fridge to battery?

The old rm-361 did not need dc power. So there are not any old wires or places drilled that I could use.


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Old 11-19-2015, 05:25 PM   #2
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They are energy hogs on 12 volts I would not use 12 volts unless you are hooked up to your TV or plugged in. If you are with out power switch over to gas when you park. You'll need at least a #12 wire both ground and + 12 volt with a dedicated 20 amp fuse. If you can get back to the battery that would be good it will draw a good 15 amps on 12 volts.
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Old 11-19-2015, 05:29 PM   #3
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If it has control lights on the fridge it's self it will have to be wired to 12 volts in order for it to work at all. If it has a lighter button you do not need 12 volts unless you want to run it on 12 volts.
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Old 11-19-2015, 05:53 PM   #4
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It does have control lights on the fridge. It will not work at all unless wired for dc 12 volt, but once plugged in it will operate on ac or if not plugged in you could use gas, but it still must have 12 volt.
Could I tap into say a " light" for 12 volt? Or any other close 12 volt source?
The fridge is 3 feet off the floor. I would have to drill through that to get the wires underneath the trailer.
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Old 11-20-2015, 05:26 AM   #5
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No it will need a dedicated circuit 20 amp circuit lights or not if you intend to run it on 12 volts. The fridges with lights are controlled by electronics it has to have 12 volt to operate no matter what the fuel source is if you do not intend it to cool on 12 volts then yes you could use a light circuit but not recommended in case of inadvertently switching to 12 volts possibly over heating the wiring. The 12 volt element is a heavy resistive load drawing 15 amps or more so anything else on that circuit will put the capacity right at max. If it is the older style with a push button lighter then it would not have to have a 12 volt circuit of course the 12 volt system would not work but the others would. The gas side of those fridges use very little gas I have known people to leave them on accidently for over a month and come back to a cold fridge.
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Old 11-25-2015, 07:11 PM   #6
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mainah,
I bought some #10 wire and a 20 amp fuse. I will wire it directly to the battery.
Now I need to drill and install it. Hopefully I can do it this weekend, but they are forecasting major rains. If not I will do it the next weekend.
Thanks for all the help. It is truly appreciated!
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Old 11-26-2015, 05:43 AM   #7
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Good plan be sure to mount the fuse at the battery.
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Old 11-26-2015, 07:05 AM   #8
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Mitch good luck with completing your project.....post some pics as you go along!
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