We don’t use the ring and I don’t have one for the 50 amp connection. With the 30 amp connection I have a locking ring on it but I don’t use it. After I twist on it seems to be locked in ok and I’ve never had it to come out. The ring it ‘self don’t act like it will work anyway on my set up. It acted like it was too hard to fool with so I just haven’t tried to use it.
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2011 GMC 4X4 dually CC, 6.6 Duramax with Allison Transmission. Formally 2001 Montana,2007 3400RL Montana, presently 2018 3401RS Alpine.
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