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Behind the plastic cover on the wiper motor.
Remove the rear wiper arm from the wiper motor. Remove the wiring harness from the wiper motor. Remove the wiper motor retaining bolts. Reverse the process to install the new wiper motor.
You will have to remove the wiper arms, then remove the cowl, and then the wiper motor.
Replace wiper motor with a new one. Do not install a rebuilt motor on this vehicle.
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.
2003 altima Nissan 2 5 where wiper relay locathion
The board is under the cap in the Wiper Motor.
Rear Wiper Motor R&R Remove the rear pivot arm. Lift the pivot arm to the upright position. Slide the locking tab out. Pull up and remove the pivot arm. Remove the rear wiper motor shaft nut cover. Remove the rear wiper motor shaft nut. Remove the rear wiper motor cover. Remove the rear wiper motor bracket nut. Remove the bolt and the rear wiper motor. Reverse these steps to install.
Rear Wiper Motor R&R Remove the rear pivot arm. Lift the pivot arm to the upright position. Slide the locking tab out. Pull up and remove the pivot arm. Remove the rear wiper motor shaft nut cover. Remove the rear wiper motor shaft nut. Remove the rear wiper motor cover. Remove the rear wiper motor bracket nut. Remove the bolt and the rear wiper motor. Reverse these steps to install.
Replace the wiper motor with a NEW one (do not use a rebuilt!)
You have to take off the wiper arm and then take the nut off of the post that the arm attaches to. On the inside of the van take the trim panel off of the tailgate,then you can get at the bolts that hold the wiper motor onto the tailgate.
It is likely the Wiper Control module mounted to the wiper motor. I had this problem on my CTS and since found out other CTSs have also had the problem.