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Old 09-10-2019, 09:10 PM   #1
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What are these disconnected wires?

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Pretty shockingly sloppy....2019 Bambi sport 22FB. The electronics wannabe nerd in me finds this ramshackle of wires disappointing.

Just learning more and more about how these things work, poking around and I discovered these two fairly important looking wires that are disconnected. One is pretty heavy gauge, and green, leading me to believe it is a ground wire of some sort?

Not sure about the other one.
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Old 09-10-2019, 09:13 PM   #2
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That is your factory pre-wire for solar.
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Old 09-10-2019, 09:36 PM   #3
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Quote:
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That is your factory pre-wire for solar.
Ditto.

Ground wires in nearly all (if not all) Airsteams are white.

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Old 09-10-2019, 09:38 PM   #4
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What are these disconnected wires?

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Originally Posted by GMFL View Post
That is your factory pre-wire for solar.


Interesting. So if I traced those two wires back, they would eventually lead to the Zamp connectors on the outside of the trailer? (One down low on the tongue, three up high on the rear roof)?

If I add solar, I suppose those wires will need to make their way into some kind Of bus to feed the voltage to the converter....better do more research
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Old 09-11-2019, 01:15 AM   #5
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What are these disconnected wires?

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Originally Posted by doughpat View Post
Interesting. So if I traced those two wires back, they would eventually lead to the Zamp connectors on the outside of the trailer? (One down low on the tongue, three up high on the rear roof)?

If I add solar, I suppose those wires will need to make their way into some kind Of bus to feed the voltage to the converter....better do more research

They would lead to the rooftop Zamp combiner box only. The connector on the tongue goes directly to batteries and is for a portable panel(s) that need to have their own dedicated charge controller. Portable suitcase systems generally do.

The wires in your pic would be connected to a charge controller, that would then output to your batteries via negative and positive bus connections.
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Old 09-11-2019, 04:00 AM   #6
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You should prepare yourself, in general, to find a "rat's nest" of oddball loose wires everywhere IMO. Airstreams do not win awards for manufacturing neatness or quality control IMO.

"rat's nest" -- https://www.google.com/search?q=rat%...com&gws_rd=ssl

QC -- https://www.google.com/search?q=QC&s...=airforums.com

"quality control" -- https://www.google.com/search?q=qhal...=airforums.com

Happy trails,

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Old 09-11-2019, 09:34 AM   #7
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Hi, these wires are pre installation for solar panels. Runs from roof trough the vent and the fridge area to the electric box.
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Old 09-11-2019, 01:29 PM   #8
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We have a 2018 sport 16. I am glad you mentioned the Zamp port going directly to the batteries. I assumed they went to the charge controller. Thanks for the mention.
I have 2 panels on the roof and looking to buy a suitcase. How difficult would it be to wire the suitcase to the existing solar controller which is under the seat in the front of the trailer. Would like to not have additional controller.
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Old 09-11-2019, 03:41 PM   #9
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suitcase panels

Quote:
Originally Posted by Sport 16 STL View Post
We have a 2018 sport 16. I am glad you mentioned the Zamp port going directly to the batteries. I assumed they went to the charge controller. Thanks for the mention.
I have 2 panels on the roof and looking to buy a suitcase. How difficult would it be to wire the suitcase to the existing solar controller which is under the seat in the front of the trailer. Would like to not have additional controller.

The suitcase panels I have seen here on the forums come with a charger controller attached to the panels thus the reason the Zamp port is connected directly to the battery. Others please correct me if I'm wrong. Also I've heard of the charger controllers charging profile need to be set correctly so two controllers work together.


If you can get to the charger controller wiring (sounds like you can) you could just purchase regular panels and wire a port or re-purpose the Zamp port (by connecting it to the controller instead of the batteries) and just use the one (factory) controller, just do not exceed the controllers rated amps. Mine on my FC27 is a 40 amp controller. Others chime in if AS uses more than one pre-wire/factory solar setup.


I did read on the forums here a member made his on suitcase set up with some simple hinges and a controller and some home made supports (he did not have the factory pre-wire) sorry don't remember where it was posted.
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Old 09-12-2019, 06:44 AM   #10
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Solar charger

I have access to the controller. I didn't know if I could make a splice or junction on the positive and negative wire coming from the roof top.
I have an unused mc4 connector on the roof but haven't figured out a way to use it with a suitcase.
I can buy a controller with the suitcase, probably the easiest solution, but if I upgrade the battery monitor, it's output will not be shown.
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Old Yesterday, 05:08 PM   #11
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If you want to tie a portable panel without a controller in parallel with ones on the roof then, yes, you would rewire the front Zamp connector to the right polarity and wire it in parallel with the roof wires.

If you don’t have roof panels then you may as well get a portable panel with a controller and use the front Zamp connector to connect directly to the batteries.

Note, if you don’t buy a Zamp brand panel the connector on the airstream may be reversed polarity from your panel. You’ll need to flip those wires if so.
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