My windshield washer switch doesn't work on my 2006 Ford Focus.

Looks like a Body Control Module communication issue.

Windshield Washer
When the washer switch is pulled towards the driver, the SASM sends the washer request to the BCM over the LIN. The BCM activates the windshield wash relay (internal to the BCM) and sends a message to the driver side windshield wiper motor. When the BCM activates the windshield wash relay, voltage is provided to the washer pump, directing washer fluid to the windshield. When the switch is released, the windshield wiper motor continues to activate the windshield wipers for 3 additional wipes and then turns the windshield wipers off.

https://www.justanswer.com/ford/74red-focus-2012-ford-focus-se-need-wiring-diagram-washer-pump.html

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No separate fuse, runs on the wiper circuit. Probably pump bad. If your thinking of doing it yourself, this posting should help.

https://www.ifixit.com/Answers/View/77166/windshield+washer+pump+not+working

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Assuming you have washer fluid and you can hear the pump with no flow at the main line I would guess the turbine has separated from the pump shaft.

That involves airbag removal & a lot of delicate work. Let someone experienced handle it.

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1 - a tank of the hydraulic booster of a steering; 2 - a plug mouth oil-jellied; 3 - a tank of a working liquid of a braking system and clutch; 4 - the assembly block of safety locks and the relay; 5 - an air filter; 6 - a windshield washer reservoir; 7 - the accumulator battery; 8 - the identification tablet; 9 - a measuring instrument of level of oil; 10 - an expansion chamber of system of cooling.

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1 - a tank of the hydraulic booster of a steering; 2 - a plug mouth oil-jellied; 3 - a tank of a working liquid of a braking system and clutch; 4 - the assembly block of safety locks and the relay; 5 - an air filter; 6 - a windshield washer reservoir; 7 - the accumulator battery; 8 - the identification tablet; 9 - a measuring instrument of level of oil; 10 - an expansion chamber of system of cooling.

Sounds like a stripped gear/linkage between the motor and the wipers.

there is no fuse the switch or washer mottor went bad pull the motor out and hook it up to a battery if it comes on its your switch if not just replace the motor

check the fuse, if its ok youre gonna need a new pump.

check under your washer reservoir.