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Old 03-06-2011, 06:39 PM   #15
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1967 22' Safari
1960 Caravel
Edmonds , Washington
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From the age of the Airstream the blue wire should be the charge line.

That said the wiring could have been changed by a previous owner.

Take a look the pic I posted above and this PDF.
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Old 03-12-2011, 10:33 PM   #16
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1966 24' Tradewind
oldham,co. , Kentucky
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Originally Posted by silverleeper
From the age of the Airstream the blue wire should be the charge line.

That said the wiring could have been changed by a previous owner.

Take a look the pic I posted above and this PDF.
Thanks for the info. I will put a meter to it.

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Old 03-17-2011, 08:15 AM   #17
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1969 31' Sovereign
1966 24' Tradewind
Franklin , North Carolina
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Smile How did you finally hook up your blue wire?

Originally Posted by gary larocca View Post goes to the....positive on the inverter...or neg.? It has a red(positive)&white(neg.)already hooked on the Inverter,which puts out 12v
Hi Gary,
This is my first post but second airstream. First airstream was a 1969 31 footer which I had in Idaho many years ago.
I now have a 1966 trade wind and am hooking up a new progressive dynamics charger/power supply to replace the old univolt which had three wires hooked up. Blue wire was labeled on old univolt "battery positive", Red wire labeled "load positive" and white labeled "ground"
Can I just combine red and blue wires into the positive dc connector on the new charger/power supply or do I need to rewire the low voltage fuse block somehow?
John Pittman
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Old 03-17-2011, 08:42 AM   #18
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When I replaced the old univolt here is the way I wired mine. You need protection on all of your branch circuits.
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