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Old 09-03-2006, 10:00 PM   #1
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1972 27' Overlander
Belgrade , Montana
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9-pin connector on a '72

We recently bought my wife's grandfather's airstreme along with his tow vehicle. I would like to be able to tow the AS with my F150 but it has a new style trailer plug on it. The AShas a 9 pin cord (see attached pic) that is female at both ends. Odd thing is, as far as I knew, all AS'sup to the 80's had 7-pin cords. Is there a way to get an adapter for the 9-pin cord to my truck, or do I have to pull off the male end from the olds tow vehicle and have it installed?

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Old 09-03-2006, 11:53 PM   #2
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I have never seen a 9 to 7 pin adapter. You might just have to use the new 7 pin and connect the wires accordingly to match the standard wiring that is found on today's tow vehicles.

Lew Farber...RVIA Certified Master Tech...ABYC Certified Master Marine Electrician
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Old 09-04-2006, 08:05 AM   #3
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Hi, Steve,

Are all the pins used on both ends?

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Old 09-04-2006, 08:14 AM   #4
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Steve; Your pic is nice. The connectors you have are the new style 9 pins, larger pins in the center and at 12 oclock. These are still available.The 9 pins AS used in the 80's are different. large pins at 3 and 9 oclock, these are way hard to find, only in used bins! So you are sorta lucky, I'm thinking you can find a receptacle for your tv pretty easily. BUT knowing that you already have a non standard setup I would definately trace out all the circuits into tha trailer, geeze you wouldn't want to fry anything. I have a 86 excella with the factory 9 pin. Tim
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Old 09-04-2006, 09:32 AM   #5
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I seem to recall the 9 pin had something to do with the Reefer. When the TV was shut off it would shut off the Reefer gas for safety reason.

If it were mine I would wire to todays standards. That would allow 95% of the vehicles on the road with a plug top move the coach if your TV breaks down.
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Old 09-04-2006, 09:52 AM   #6
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Originally Posted by 59toaster

If it were mine I would wire to todays standards. That would allow 95% of the vehicles on the road with a plug top move the coach if your TV breaks down.
Vintage Airstreams are cool, vintage wiring isn't. I'd update.

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Old 09-04-2006, 12:49 PM   #7
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1972 27' Overlander
Belgrade , Montana
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So, from all your replies am I correct in the implication that the cord does more than just brakes and lights? That's news to me. Lamar asked if all the pins were used; I have no idea. How would I determine that. I'm the guy that can build a computer from scratch and fix it in my sleep, but ask me about wiring a plug in my house and I'll give you that "deer in the headlights" stare every time. Thanks for all the help guys...


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