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Old 06-09-2010, 10:03 AM   #1
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1994 30' Excella
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new umbilical cord

The trailer I just purchased (89 Excella) is in need of a new umbilical cord. The old one looks like it was drug on the ground and with lots of electrical tape "fixes".
Looking for a recommendation here:
  1. Is it worthwhile to make a removable umbilical cord or just replace the existing hard wired cord?
  2. I was thinking about making a bracket to mount under center of the trailer frame and mount a female 7 blade receptacle and get a coiled umbilical cord as seen here: RVUpgradeStore - 7 Way Round(RV style connector) to 7 Way Round(RV style connector) With 5' Coiled Electrical Cable
  3. Should I take the extra time and make a hole in the front of the trailer for the female receptacle?
  4. Is is worthwhile to have round pins on the umbilical cord - my forum search shows there is a wide variety of opinions on this topic.
Thanks for your help - Steve
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Old 06-09-2010, 10:10 AM   #2
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Quote:
Originally Posted by crispyboy View Post
The trailer I just purchased (89 Excella) is in need of a new umbilical cord. The old one looks like it was drug on the ground and with lots of electrical tape "fixes".
Looking for a recommendation here:
  1. Is it worthwhile to make a removable umbilical cord or just replace the existing hard wired cord?
  2. I was thinking about making a bracket to mount under center of the trailer frame and mount a female 7 blade receptacle and get a coiled umbilical cord as seen here: RVUpgradeStore - 7 Way Round(RV style connector) to 7 Way Round(RV style connector) With 5' Coiled Electrical Cable
  3. Should I take the extra time and make a hole in the front of the trailer for the female receptacle?
  4. Is is worthwhile to have round pins on the umbilical cord - my forum search shows there is a wide variety of opinions on this topic.
Thanks for your help - Steve

Crispy,
Have you seen this post by Bob Fowler...

http://www.airforums.com/forums/f447...lem-64886.html

If I were in your shoes I would do what Bob did. But then again that's just my opinion.
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Old 06-09-2010, 10:21 AM   #3
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That is essentially the idea that I was thinking about but I need to mount the receptacle closer to the frame because the original cable was damaged closer to the trailer.

Bob has a good idea - thanks.
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1994 Classic 30'11" Excella - rear twin
2009 Dodge 2500, 6 Speed Auto, CTD, Quad Cab, Short Bed
Hensley with adjustable stinger
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Old 06-09-2010, 10:37 AM   #4
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I REALLY like the idea of this solution to the umbilical problem ... but it seems to me that there is one issue: if you were at a rest area and a vandal decided to walk off with your umbilical cord, he/she could do so and you'd be up the creek. The "usual" umbilical style is not so easily removable ...
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Old 06-09-2010, 03:30 PM   #5
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Factory Parts

Quote:
Originally Posted by crispyboy View Post
The trailer I just purchased (89 Excella) is in need of a new umbilical cord. I was thinking about making a bracket to mount under center of the trailer frame and mount a female 7 blade receptacle and get a coiled umbilical cord...Should I take the extra time and make a hole in the front of the trailer for the female receptacle...Is is worthwhile to have round pins on the umbilical cord - my forum search shows there is a wide variety of opinions on this topic.


On the '78 year model, the umbilical was removeable from the factory.

See Electrical Wiring and Front Photo below...

The interior terminations are in the lower left hand third of the last pic.

On the Round Pin question - I occasionally experience problems, but a shot of WD-40 usually solves any open circuit anomaly.

You may be able to get all of the necessary parts off of a salvage unit.
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Old 06-09-2010, 07:33 PM   #6
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Quote:
Originally Posted by 87MH View Post
On the '78 year model, the umbilical was removeable from the factory.

See Electrical Wiring and Front Photo below...

The interior terminations are in the lower left hand third of the last pic.

On the Round Pin question - I occasionally experience problems, but a shot of WD-40 usually solves any open circuit anomaly.

You may be able to get all of the necessary parts off of a salvage unit.
WOW !

Someone who actually used WD-40 for it's designed and intended purpose....... BRILLIANT!
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Old 06-09-2010, 08:59 PM   #7
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It doesn't say that he was using it to displace water ... maybe just rinsing away "crud."
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