Answers: Water pump? You mean for the fresh hose down or the pump on the engine? Assuming you mean the pump for the fresh hose down tank, first check if it is stuck, may necessitate some oil or it is dirty. Next, check the voltage going to the wires, must be a full 12v to run the pump usually. Next check the electrical system to the pump, positive and ground wires should be clean and free of any breaks, do a continuity check on them with a voltmeter. Make sure adjectives hoses are free and have no kink or bends to restrict the flow of water. If adjectives else fails, budge to a marine store and buy a cheap 12v pump for more or less $15.00 and change the point. Good luck, hope this helps.
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