The pulse board is what controls the intermitent wipers. It is also prone to failing at the most inopertune times in some chevrolets when it gets wet.
It is attached to the wiper motor.
attached to the windshield wiper motor. Its the plastic box with 4 torx screws. The wiring harness plugs into the pulse module
under the air vent next to the windshield on the outside of your car
replace the pulse board on wiper motor which is a black cover
remove wipers using small puller, remove plastic shield at bottom of the windshield. remove two 10mm bolts holding wiper assembly to chasis. Wiper pulse module is attached to (under) the wiper motor
If you are having problems with the wiper motor, I have found that almost all the time the problems can be solved by replacing the wiper motor pulse board. This can be done without removing the wiper motor. Your local auto parts store will have a replacement pulse board for aprox $30.
2000 buick regal wiper pulse board /timing wipers
It is attached directly to the wiper motor. Remove the three small screws that hold a black plastic cover on the wiper motor. The pulse board is under that cover. Most of your wiper motor problems are from a faulty pulse board.
how do you replace the wiper motor pulse board on a 1999 Chevy Silverado 2500
A bad pulse board or window wiper motor can cause your wipers to stay in the "up" position.
The board is under the cap in the Wiper Motor.
Mounts on top of the wiper motor