Put a bubble level on the shower floor to verify your floor is in fact level. Due to the changing addition and usage of water and fuel in addition to items coming and going a vessel will seldom be a true level. You can adjust the resting balance of ...
Check behind the dash to be sure the primary power cable for all of the gauges is tight. Never hurts to unplug the power cable and verify with a flashlight and mirror that the pins within the plug are clean of corrosion. Has any work been done in or ...