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Engine control module
attached to the windshield wiper motor. Its the plastic box with 4 torx screws. The wiring harness plugs into the pulse module
Mounts on top of the wiper motor
it is located on the front of the wiper motor.
The Ford Explorer was produced from the years 1990 to present. The wiper motor pulse board module in a 1998 Ford Explorer 4.0 L is located on the firewall, behind the engine in the middle.
It is attached directly to the wiper motor.
under the air vent next to the windshield on the outside of your car
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
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.
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 located inside the frame that contains the wiper motor and reduction gear. You should take the whole wiper system off in order to get an access to the board.
Your computer or Module is faulty.