flick it against the wind shield
motor is working but wiper blades do not move.
The wiper motor may not be working properly or the combination switch may also be not working properly.
Check for broken or disconnected linkage Bad wiper transmission?
First check if your fuse , have gain bad , \if its alright , then check the wiper motor .
It has an electrical problem. Take it to a garage,
First check the nut at the bottom of the wiper arm to seee if it's loose. If tight, fault is in wiper likage to wiper arm not working
To fix the rear wiper on a Mercury Mountaineer, first check the wiper blade for wear or damage and replace it if necessary. Next, inspect the wiper motor and fuse; replace the fuse if it's blown and test the motor for functionality. If the motor is not working, it may need to be replaced. Additionally, ensure the wiper arm is properly attached and not loose.
The wiper transmission has broken due to the linkage seizing. You need to replace the transmission......To do this you nedd to remove the top of the dash as there are 2 bolts hidden on the indise of the car to get it out
The rear wiper sometimes stop in cycle. Try turning on the switch and then gently move the arm slowing to trigger the motor.
This might be a very simple fix - check the wiper arm linkage for having come disconnected. See "Related Questions" below for detailed instructions on accessing the linkage.
YOUR WIPERS ARE NOT WORKING AND IT IS NOT THE FUSE. 1- MAKE SURE YOU ARE GETTING POWER TO THE WIPER MOTOR, DISCONNECT WIPER MOTOR FROM LINKAGE AND OPERATE, IT SHOULD SPIN 2- MOVE WIPERS MANUALLY WITH MOTOR DISCONNECTED, IT SHOULD MOVE, IF NOT THEN YOUR WIPER LINKAGES ARE SIEZED. 3- LINKAGES SIEZED, REPAIRABLE AND ALSO REPLACEABLE, YOUR OPTION GOOD LUCK...... YOU CAN FIX IT.
change wiper switch