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Old 06-12-2009, 07:26 PM   #1
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1968 30' Sovereign
Pelzer , South Carolina
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Umbilical Cord Replacement

My umbilical cord was cut (torn) into and repaired when I bought the camper. I want to replace the cord. I went to a local ma and pa hardware store that carries some camping supplies. The cords they had were too short and way over priced. Can I get the 7 wire electrical cord at Lowe's or Home Depot? Is the color code standard and how about the gage? I'm sure someone out there can give me some good advice. Thanks!

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Old 06-12-2009, 07:46 PM   #2
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The 7 way wiring now is standard but was not in 68. This means unless a PO has rewired the 7 way connection to match the new standard you will get strange results especially with the signal lights. This correction can also be made in the TV plug or the umbilical itself.

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Old 06-12-2009, 07:51 PM   #3
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Umbilical cord

If your trailer still has the original connector (7 round pin female). You can just cut the cord and use the old 7 wires to note the location (color) in the plug. Then remove the access panel from your belly skin and note what color wire goes where. Clean the connectors in the plug and convert the recepticle on your tow vehicle to a 7 pin male. (The round connectors don't corode and lose contact as easily as the flat blade connectors do). Hook it all back up after lubing the connector pins with dielectric grease and you should be good to go. Ed
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Old 06-12-2009, 08:05 PM   #4
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This graphic should help assist you in getting the right wires in the right location. I have planned to put a female receptacle on the trailer as well so i can remove the umbilical cord altogether. In the Arizona desert, the sun really does a number on an electrical cord after about two years.

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Old 06-12-2009, 08:08 PM   #5
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Northern had 7 pin flat blade umbilical cords for a great price last winter.

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Old 06-13-2009, 06:39 AM   #6
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Pelzer , South Carolina
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Thanks everyone for your knowledge an ideas. I will follow up with a trip to Northern Hydraulics to look at their cords, round pin and flat connectors, etc. Again Thanks!

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