Haven't done one myself, so this is speculation. First I'd try turning the socket a quarter turn. Second I'd try removing the screws and see if you get access that way.
Good luck, sorry I don't know more!
Walt
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Walt & Bonnie
2006 Monaco Camelot 40PAQ, Cummins 400 ISL
'22 Ford Escape PHEV, Roadmaster BP, Sterling towbar
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