I have a mid 80s Ebbtide 16' bass boat. It has three tilt and trim switches. One up front in the bow panel, one on the control handle mid ship and one on the stern. The stern one is very useful when raising the motor up to put a brace under the motor. My issue is my stern switch no longer works, but the other two do. Anyone have a hint on testing this switch or rewiring. I assume they are wired together somehow because they all three work the same electric motor but I know NOTHING. I could have even kicked off a wire under the console but I dont think so. This just happened, no pre indications of trouble.... Thanks