Wipers sometimes do not work on 1997 Bonneville SE

Windshield wiper motors are generally easy to replace. You need to remove the windshield wipers and take off the small grill panel above the hood and under the windshield. You should see the motor in there. It simply unbolts and unplug the electrical connector and replace it with a new one.

1997 Pontiac firing order is 165432

It can be faulty wiper controlling switch or the wiper switch wires are shorting.

There are few solved solution help links related to wiper problem on various car brands and models.Select the required links and go through its troubleshooting procedure.
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1993 Ford F350 wipers not working?

http://repairhelpcenter.blogspot.in/2012/02/1993-ford-f350-wipers-not-working.html
--------- How to Replace a Windshield Wiper Motor

http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-windshield-wiper-motor.html

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Wipers not working, but hear relay click on Lincoln LS? http://schematicsdiagram.blogspot.com/2011/12/wipers-not-workingbut-hear-relay-click.html
--------- Car windshield wiper gets power for movement and stops?

http://schematicsdiagram.blogspot.com/2011/12/car-windshield-wiper-gets-power-for.html

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How does cars Windshield Wiper System Works

http://technoanswers.blogspot.com/2011/11/how-does-cars-windshield-wiper-system.html

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1997 Honda Protege: Replace Wiper Transmission? http://technoanswers.blogspot.in/2012/06/1997-honda-protege-replace-wiper.html

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For more help,keep updated.
Thanks.

48-55 psi.

On your wiper switch you have a park position and on your wiper motor the same.It takes a little experience to mess with this problem.
without looking at it I would say your switch is no working allowing the arms to rest in the park position.

you have a bad starter or wire going to the starter

CLICK HERE - as you did not indicate the accessories installed.

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8th digit of your vin# needed. Is it an "L", "C" or "K" ?

if you had your windshield replaced they may not have been put back on in the proper location

the "horizontal park" mechanism is in the actual wiper motor assy.