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03-20-2015, 07:04 AM
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#1
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2 Rivet Member
1972 31' Sovereign
Racine
, Wisconsin
Join Date: Feb 2015
Posts: 69
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Tow wire connections
I am wondering if there is a new adaptor that would convert the odd looking round pin female connection on the trailer to the 7 blade flat connector for modern tow vehicle?
I would like to avoid retro fitting the original tow wires to the newer style.
1972 Airstream International Land Yacht Sovereign
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03-20-2015, 07:08 AM
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#2
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Rivet Master
2006 23' Safari SE
Biloxi
, Mississippi
Join Date: Nov 2011
Posts: 8,278
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Yes, you can get them at almost any auto/trailer supply stop, Walmart or Amazon.
__________________
MICHAEL
Do you know what a learning experience is? A learning experience is one of those things that says "You know that thing that you just did? Don't do that."
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03-20-2015, 09:06 AM
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#3
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Rivet Master
1966 22' Safari
Hilltop Lakes
, Texas
Join Date: Jun 2008
Posts: 1,767
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If your trailer connector is the six pin version like we used to have, be careful to select the correct adapter--there are two versions. Know which pin carries the 12v power to keep the trailer's batteries charged before you go to the store.
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03-20-2015, 12:58 PM
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#4
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Rivet Master
1973 21' Globetrotter
Houston
, Texas
Join Date: Sep 2009
Posts: 3,320
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In addition to the physical plug connection compatibility (round vs flat, etc), when I started working on getting my '73 ready to tow, one thing I discovered was that the trailer wiring at the plug is not compatible with modern conventions. So you will need to figure out if the wiring at your plug is in its original configuration, or if it has already been reconfigured to modern standards, or if the "conversion" for 70's vintage AS wiring was built into the whip that goes from the tow vehicle to the wall of your AS by a PO. If you can get your hands on a wiring diagram for your year of trailer, you can see what color wires go to what lights/brakes/batteries, etc.
good luck!
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03-20-2015, 02:00 PM
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#5
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Rivet Master
1974 Argosy 20
2014 20' Flying Cloud
Kooskia
, Idaho
Join Date: Jul 2009
Posts: 4,591
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There is no real reason to keep the old round pin system. Yes, it is good enough, but running it through an adaptor to convert simply gives you more potential for poor connections and not working right when you need it. Brakes are especially critical.
Many of the early 70's trailers like yours had a round plug on the trailer itself and a cord which plugged into both the trailer and the tow vehicle. You can keep the round end on the trailer and make a new cord with the Bargman Stile flat pins on the tow vehicle side.
But I would recommend changing the end, rather than running through and adaptor. As noted by others, the color codes Airstream used then vs. the standard ones now are different. Be sure to know what you are doing to change from one plug type to the other.
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03-21-2015, 06:52 AM
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#6
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2 Rivet Member
1972 31' Sovereign
Racine
, Wisconsin
Join Date: Feb 2015
Posts: 69
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Ok, thanks. Yes it is 100% original. It was parked in 1978 and hasn't moved until I brought it home last week. Yes, I defiantly will not run an adaptor and I understand that the wire colors are different from original. I was just hoping to purchase a new conversion than having to retro fit the original 1972 wires.
1972 Airstream International Land Yacht Sovereign
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