I replaced my motor on my 96 for same reason, before they had the recalls expanded. To replace the bad circuit board is around $50 for the parts here. I bought a new wipe motor from Auto zone (or Advanced Auto...forgot which one) for $50.
Open hood
Disconnect battery
Wiper motor is on firewall almost in front of driver
Unplug the wiring from motor (2 connections if I rememebr right)
Remove the 3 bolts that hold it to firewall (metric I think)
Carefull start pulling motor out of the mounting hol until you see the arm little z-looking arm thingie that connect the motor to the wiper control arms.
Unbolt the z-arm from motor.
Pull motor
Move any rubber bushing and stuff to new motor
maneuver motor into place, hook up z-bar thingine and reverse all the rest of the steps.
These are not scientific terms, some probably are the wrong terms (z-bar thingie), but what I can remember. 20 mins of work for the old back-backyard mechanic compared to what they told me on how to repair of replace that circuit boiard and for the same price. 2 years and not a lick of problems so I'm happy.
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