portable mini car washer 120W,DC12V,9A water flow:3.5-6.5L/min ... water from spray gun or presssure be smaller.Gun leaking, pump quick head connector leakingReasonPoor connection of power plug, fuse ... battery connectorVIII,Schematic diagramBefore each use, PLS check high-pressure pump whether the hose is normally no damaged, paying particular attention ... of cars, you can use it. portable mini car washer