You need to check for voltage at the motor. If there is voltage but the motor does not run then the motor is faulty.
If there is no voltage then the switch or wiring is faulty.
I assume you have checked the relevant fuse.
When you pull the switch to operate the pump do the wipers work?
fred
November 2009
no there is no noise or and sort of movment or sound or anything
chez
November 2009
Can you hear the pump running when you switch them on? Do you know how to check for voltage at the pump?