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Old 11-27-2020, 12:00 PM   #1
DCondit
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Join Date: Nov 2020
Location: Atascadero
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2021 Outback 221UMD Solar Controller Location ?

I have installed the solar panels on top of the trailer next to the prewire ports.
I removed the sticker in the storage compartment that stated the solar was plumbed there and cut a hole. No luck in determining which wires to use or if any of them are the proper wires. There are multiple Red/Black wires. One has power on it and one does not. Neither are part interrupted. I have cut 2 holes in search of the correct wires or label with no luck. Is anyone familiar with the solar prewired set-up of this or similar model of Outback ? Dave
P.S. The solar ports on the roof have no power on them, but the port on the side of the trailer does have 13.7VDC. I connected a tone generator to the roof ports, but can not find the tone anywhere in the storage compartment.
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Old 12-03-2020, 07:13 AM   #2
ehidle
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Quote:
Originally Posted by DCondit View Post
I have installed the solar panels on top of the trailer next to the prewire ports.
I removed the sticker in the storage compartment that stated the solar was plumbed there and cut a hole. No luck in determining which wires to use or if any of them are the proper wires. There are multiple Red/Black wires. One has power on it and one does not. Neither are part interrupted. I have cut 2 holes in search of the correct wires or label with no luck. Is anyone familiar with the solar prewired set-up of this or similar model of Outback ? Dave
P.S. The solar ports on the roof have no power on them, but the port on the side of the trailer does have 13.7VDC. I connected a tone generator to the roof ports, but can not find the tone anywhere in the storage compartment.
Yep, so on my 30RKD there was a black box next to the autolevel controller that had a set of RED/BLACK and a 14/2 Romex tied off. By default the RED/BLACK is a direct battery connection to the jacks on the roof. If you cut the red/black wires there, you'll end up with a pair of red/black going to the battery and one pair going to the roof.

What I did was cut the wires and then see which two wires had 12V on them. That was my battery connection. The remaining wires went to the roof, which I verified by plugging in a current-limited source to the roof jacks and measuring it below.

The Romex is there to install an inverter if you want to put it there. It's the same kind of deal where if you cut it, you'll end up with a connection back to the breaker panel and one out to the three outlets that are held up by the inverter.

This may not be the same way it is set up on yours, but I would venture a guess that if you have a red/black pair there that does not have power on it, it's likely the connection to the roof jack.

Can you post some pictures of what you have?
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Old 12-03-2020, 07:55 AM   #3
DCondit
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Join Date: Nov 2020
Location: Atascadero
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Thank You

Thank you for the help.

On the 2021 Outback 221UMD:

I figured out what was going on ... The red/black wires were behind the paneling near the battery disconnect switch in the outside storage area.
(no black box) I had to cut a hole in the paneling. The wires were pinched between the framing and would not pull out. I didn't want to cut the wires in case they went elsewhere. Once cut ... I toned them both directions ... all is good now. (no romex to be found) Hope this helps others.

Thanks again, Dave
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