They tended to fall apart when on the water or when used heavily.
Maxum boat speedometer not working. Turn on the boat and check if the tachometer receives a reading of revolutions per minute from the engine wiring. I just purchased a Maxum 2100SC Merc 50L Alpha 1 leg freshwater cooled. Engine Accessories Guidelines.
I was on the lake yesterday and all was well on my maiden voyage. The speedometer is not working at all now. If the light turns on then you know that the gauge is getting power from the battery.
This can result in bubbles in the laminate. If the gauge then reads full scale then the problem was with your sender. Get a new one.
If you are getting power to the gauge and it is still not working move on to the next step. Hourmeter TimeDate Cumulative Distance odometer Trip Distance tripmeter GPS Coordinates with. It does randomly show the accurate speed for a few minutes at a time but mostly it justs displays 0 MPH.
Keep all the wires in place and with the keyswitch in the ON position Engine not Running you must have 12 Vdc on the Battery and Ground Terminals. If not keyed power is not getting to the Tach. I was thinking of disconnecting the tube from the back of the gauge and then monitoring the flow of water coming through the tube while the boat is moving at varying speeds.
Also none of the backlights appear to work. I have a 2000 Maxum inboardoutboard boat with a 50L MerCruiser V8 engine. Boat owners take issue with the fiberglass layup.