What's behind the wall in the bath
I have a 2009 Passport 245RB. The bathroom is very small without any provisions for hanging towels or a shelf for placing clean clothes, toiletries, etc. The rear wall is blank between the shower and the side wall. I would like to add a shelf to that wall (which would be above the toilet). However, I don't know what may be in the way behind the wall. I don't want to screw into any wiring. I would like any suggestions on how to install a shelf and if there is a risk of hitting wiring.
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