I have also had that issue as well. The pump motor is at the bottom of the jug/container in the fender. There has been times when I have exposed them and the connector was dirty and not making good contact. I pulled the connector and cleaned both areas, then applied some dielectric grease for a water seal to the connectors, and it was operational again. If that is not the problem, check the Battery and ground to see if it is good before condemning the pump itself.