I'd plug the hole.
If you can see light then water can get in also.
Maybe you could use a little Pond Foam if the hole is not too big.
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Craig & Cath
2018 2902WS Rockwood Ultra Lite (with tons of Mods)
2022 F250 Lariat Super Cab, 7.3 gas w/10 Spd Xmsn
Equalizer Hitch w/4-Point Sway Control
Days camped since 2015(retirement): 1689
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