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Old 06-25-2010, 07:56 AM   #1
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7-pin electrical on my '58. What would you do?

As you can see in the pic, the pigtail on my '58 Overlander is toast. Right now it's wired for the old-style round 6-pin and I want to convert it to the 7-pin. The wires run up directly through the floor on the other side of the belly pan rubber grommet as seen in the pic.

I need to terminate these wires, somehow, and I'm not sure exactly how to go about doing it. I'm thinking about mounting an external junction box to connect my new pigtail with these wires. That would be functional, but probably won't look too pretty, so I'm looking for any other ideas.

Also, I thought all of the external wires were red? This batch of wiring is multicolored. Was this installed later? Also, anybody know what these two separate green wires are for?
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Old 06-25-2010, 08:20 AM   #2
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Mike ~

I just sent you a PM. I have some ideas on this electrical issue.

Brad
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Old 06-25-2010, 08:24 AM   #3
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I'm thinking of doing something like this.

http://www.airforums.com/forums/f37/...plug-9666.html
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Old 06-25-2010, 08:25 AM   #4
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Brad,

I'm interested also. I added a link to one idea.
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Old 06-25-2010, 08:33 AM   #5
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SilverHoot ~

That is very close to my plan for the TradeWind although I want to put it under the banana wrap and make a wedge shaped aluminum box to house the metal 7 way female connector. That way the cord can be unhooked from the TV as well as the trailer and taken completely out of the elements. Our heat and sun is ridiculously hard on these as I have replaced mine twice and it is needing it again. I just need to figure out how to deal with the emergency break-away switch's battery connection that is connected to the umbilical mid-point.

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Old 06-25-2010, 09:23 AM   #6
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Here's a rendition of what I was thinking when referring to a wedge shape.

Mike - in an effort to solve the problem, I took the green wires out.

Brad
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Old 06-25-2010, 10:04 AM   #7
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That's great. I was just thinking that it might be better up a bit higher, easier on the back and might get a bit less grimy. Like your idea. How did you do that rendition?
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Old 06-25-2010, 10:10 AM   #8
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I did it in PhotoShop with layers. I want to put it down low so that it is out of sight unless you lean down, in an effort to keep its vintage look.

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Old 06-25-2010, 10:14 AM   #9
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I don't have any access to these wires from the inside of the trailer. Some Vintage Airstreams I have seen have an access panel just above where these wires enter between the skins. The wedge shape is to keep the wooden floor intact as the plug is fairly deep. That's another reason for not putting it up higher since it would interfere with the fresh water tank that's inside the interior skin at that point and it would be a bear to work on in that tight of a space.

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Old 06-25-2010, 10:32 AM   #10
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Got ya. Mines a bit different situation as mine is gutted so access is easy and I'll go to one side of the water tank near where the water pump was originally. How deep is the plug receptacle? If deeper than the wall is thick I may have make a cover on the interior. Hoping that I can find one to look at locally.
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Old 06-25-2010, 10:43 AM   #11
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Quote:
Originally Posted by flyfshr View Post
Here's a rendition of what I was thinking when referring to a wedge shape.

Mike - in an effort to solve the problem, I took the green wires out.

Brad
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Brad,
That's a great idea. I LIKE IT! That way I can disconnect the pigtail when it's not in use (deters theft and keeps the pigtail out of the sun).
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Old 06-25-2010, 12:01 PM   #12
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Quote:
Originally Posted by SilverHoot View Post
How deep is the plug receptacle? If deeper than the wall is thick I may have make a cover on the interior. Hoping that I can find one to look at locally.
The depth of the female plug is about three inches from the exterior wall it would be mounted to plus the amount of space it takes the wires to make their turn. I would allow about 4.5 to 5 inches so you'll have access for connecting and troubleshooting. You'll need an interior cover if you're going to put it up above the banana wrap.

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Old 06-25-2010, 02:28 PM   #13
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Mike,

The six-pin round connector may be "old style" but it is what I have on my traylah and tow vehicle. They are more reliable than the 7-blade connector, carry more current, and require a smaller mounting hole. There is also a 7-conductor round pin connector, as you may be aware, that performs well.

Also, although I realize it's extra work, I would suggest that you replace the entire length of the umbilical, given its condition, rather than trying to splice it or install a connector on the relatively less damaged portion of it. It is in poor condition and likely to produce shorts, which could cause lighting and brake failures, compromising safety.
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Old 06-25-2010, 02:43 PM   #14
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Jammer,
The 7-pin is the defacto standard now, so it's something I want to go with (even though I won't need the backup light wire in my Overlander). As for the pigtail itself, I will definately be replacing the entire thing. The old one had several cuts with wires exposed all along the length.


Quote:
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Mike,

The six-pin round connector may be "old style" but it is what I have on my traylah and tow vehicle. They are more reliable than the 7-blade connector, carry more current, and require a smaller mounting hole. There is also a 7-conductor round pin connector, as you may be aware, that performs well.

Also, although I realize it's extra work, I would suggest that you replace the entire length of the umbilical, given its condition, rather than trying to splice it or install a connector on the relatively less damaged portion of it. It is in poor condition and likely to produce shorts, which could cause lighting and brake failures, compromising safety.
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