windsheld washer pump

[ecurb55]

is the pump controlled by the float

 

[99WhiteC5Coupe]

is the pump controlled by the float

Year, make and model?

 

[JamaicaJoe]

Probably not, the float gives you a low washer fluid level warning and if it comes on there should still be some reserve. Maybe your pump is failing. In my 2013 the tank and pump are buried under the battery. I think access can be had by removing passenger side headlight assembly.