intermittent temperature according to the condition
2000 buick regal wiper pulse board /timing wipers
how do you replace the wiper motor pulse board on a 1999 Chevy Silverado 2500
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 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.
If you are having trouble with the wipers, chances are it is the wiper pulse board that is attached to the wiper motor. This part is available from your local auto parts store and is relatively easy to replace. The part should cost aprox $25-$30.
I have found that most S10 (GM) wiper motor trouble is caused by a faulty pulse board, not the motor itself. It is easy to replace and your local auto parts store can sell you an aftermarket pulse board for aprox $20. The wiper motor does not have to be removed to change the pulse board. Unplug the wire harness from the motor, remove the three small screws holding the cover to expose the pulse board then wiggle the board straight out. Reverse order to install.
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.
On top of 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 is attached to the wiper motor. The pulse board can be changed without removing the wiper motor. Unplug wire harness to wiper motor, remove the three small screws that holds the black plastic cover, remove cover, gently pull out the board.