A problem that I and others have had is the rubber grommet where the power leads go into the motor. Water has a way of getting in that opening and causing corrosion.
The rubber grommet deteriorates over time. I cleaned mine up when I saw the rubber torn and sealed it with Liquid Electrical tape.
2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS
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