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Old 09-09-2010, 05:03 AM   #1
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1975 31' Sovereign
Waterloo , Iowa
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replacement plug socket- 1975 airstream

the trailer plug socket to the tow vehicle needs replacement. where ca find a similar replacement. (aluminum with hinged cover and round pins. also where to find the male end of this receptacle?

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Old 09-09-2010, 06:10 AM   #2
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1971 27' Overlander
Antlers , Oklahoma
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Most any autoparts store has the TV plugs you are needing. The problem comes when you are trying to wire it to an older AS. for one has the AS plugs both male and female. Just look under towing. I am sure others have the plug also. (i.e. and


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Old 09-09-2010, 09:02 AM   #3
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Originally Posted by robertel View Post
the trailer plug socket to the tow vehicle needs replacement. where ca find a similar replacement. (aluminum with hinged cover and round pins. also where to find the male end of this receptacle?

On my trailer, the previous owner replaced the 7-way trailer plug, removed the fuse block, and disabled the break away switch. I kept the 7-way fixture but I replaced the fuse block, replaced the break away switch, and re-wired it.

I used a 7-way tester to wire the trailer plug as well as to test both of my tow vehicle plugs. I wired the trailer plug to function without respect to color of wires. I wanted my trailer to agree with any standard correctly wired 7-way plug. I have three other trailers, two tandems with electric brakes, and two tow vehicles, and I so desire a simple, predictable, compatible life.

I added a new fuse panel with appropriate sized fuses to the Airstream according to the Airstream Service Manual. I bought a new molded end umbilical cord and I tested that cord by reversing the cord. Now both of my tow vehicles work with all 4 of my trailers and any correctly wired 7-way tow vehicle will be comparable with any of my trailers.

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Old 09-09-2010, 10:00 AM   #4
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replacement plug socket- 1975 airstream

A little more than a year ago, I decided to change my Airstreams and tow vehicles over to the aircraft style round-pin connectors. At that time, I spent considerable time looking for just the parts that I wanted. I chose to go with Dell City as the quality was high and the price was right. The components that I purchased can be found at this link. This was the first season that I can remember that I didn't spend time trying to get the Bargman connector to make connections . . . I am convinced that the round-pin design is less temperamental than the blade type.

As a concession to the modern blade design connectors, I purchased an adapter to go from my coaches' round-pin connector to a blade style tow vehicle connector at this link. I also purchased an adapter that allow me to go from my 7-pin to a 7-blade trailer connector at this link. I am convinced that it is worth the inconvenience of dealing with adapters if I can get away from the annual headache of trying to make my flat-blade connectors work.

Good luck with your project!

Kevin D. Allen
WBCCI (Lifetime Member)/VAC/Free Wheelers #6359
AIR #827
1964 Overlander International/1999 GMC K2500 Suburban (7400 VORTEC/4.11 Differentials)
1978 Argosy Minuet 6.0 Metre/1975 Cadillac Eldorado Convertible (8.2 Liter V8/2.70 Final Drive)
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Old 09-09-2010, 01:58 PM   #5
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Pollak makes the type of umbilical plugs you're looking for. You can find them all over the web and at your local RV Parts store. The quality of Pollak is excellent and I've installed a 7-wire plug in my Sovereign and a 6-wire plug in my Overlander.
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