Bill, it might work.
Here's the schematic for the 'parking' of the wipers.
The power still goes through the wiper (and not the switch) until the parking pawl disconnects ground. If the diodes don't let 12 volts back into the wiper (keeping it rotating) it could work.
__________________
John Wallace - johnta1
Pontiac Power RULES !!!
www.wallaceracing.com
Winner of Top Class at Pontiac Nationals, 2004 Cordova
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KRE's MR-1 - 1st 5 second Pontiac block ever!
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