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Old 02-16-2013, 02:54 PM   #11
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Join Date: Oct 2012
Location: Western Connecticut
Posts: 1,554
Mine don't wanna tighten up either. I chalked it up as a POS.

2010 Cedar Creek 5th Wheel 34SATS "The Beast"
2006 Ford F350 Lariat 6.0L Diesel
2003 Harley Heritage Softail "Hogzilla"
1988 Harley Softail Custom "The Fireman"
1986 Marriage to "Wifey" (patience of a saint)
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Old 02-16-2013, 05:58 PM   #12
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Join Date: May 2010
Posts: 203
You are correct

Originally Posted by BigTJohn View Post
Same thing as boats - try to use BOTH hands when tightening the sealing ring. For some reason, known only to engineers with whom the developers are friendly, using both hands will allow you to maintain alignment and keep the ring even when getting it started. Try it one day, you'll be surprised.
You are correct that if I use both hands, and lots of pressure, I can get a few threads to grab hold and secure the connection.. but not like the Marinco 15a connector grabs hold and threads in. I believe that the connector on my 30a cord is an aftermarket (non Marinco) type and just doesn't have the depth on the locking ring to do the job correctly. I am going to try to swap the locking rings and see what happens.. A new Marinco plug is an option or even a new cable all together and make the old one into a 30a extension by changing the questionable connector with an extension type.

2010 T25KS Wildwood
2006 F-250 SD
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