There is a relay under the steering column inside the vehicle.
It is attached directly to the wiper motor.
it is located on the front of the wiper motor.
Mounts on top of the wiper motor
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
2000 buick regal wiper pulse board /timing wipers
Behind the plastic cover on the wiper motor.
It is located on the wiper motor. It can be changed with wiper motor in place. Unplug the wire harness at the wiper motor, remove the three small screws holding a black plastic cover, remove the cover and gently remove the pulse board.
It is attached to the wiper motor.
Inside the wiper motor. Easy to change without removing the wiper motor. Unplug the harness connected to the wiper motor, remove the three small screws that hold a black plastic cover on the front of the wiper motor, remove the cover, remove the pulse board. The pulse board is available from your local auto parts store.
It is attached to the wiper motor. It can be easily changed without removing the wiper motor. Unplug the wire harness to the wiper motor, remove the three small screws holding the cover in place, remove the cover, remove the pulse board.
In my experience it is rarely the wiper motor at fault, it is always a faulty pulse board. Your local auto parts store can sell you an aftermarket pulse board that will outlast the GM original. The pulse board can be easily changed without removing the wiper motor from the vehicle.