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Re: Wiper Motor Hot to Touch
It could be low voltage to the motor. The voltage is easy to check. There are several threads on troubleshooting wiper motors and switches if you do a search. A bad ground can cause the voltage to be low too.
Or it could be too much resistance from the wiper arms and the bushing through the firewall. (Which I had on my Burban.) The resistance check would require removing the motor and running it disconnected from the arms to see if it runs cooler.
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help. 
RIP Bob Parks.
1967 Burban the WMB,1991 S(stink)-10 Blazer,1969 GTO, 1970 Javelin, 1952 F2 Ford 4X4, 29 Model A, 72 Firebird. 85 Alfa Romeo
If it breaks I didn't want it in the first place
The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377
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