By
Guest Rick K, January 23, 2012 in Pre-1997 Toyota Corolla and Geo Prizm
Hi All,
I have an old 1991 Corolla and the wipers quit. It is not the wiper motor. Does this car have a wiper relay? If so, where is it?
The local dealership shows no part location or number.
I looked all through a car at the Pick And Pull, but found no relay.
TIA,
Rick
Read somewhere that '91 Corollas had some problems with corrosion on the wiper mechanisms. You may want to do a mechanical check first, and if the mechanisms are okay, you can assume the problem is in the electrical system.
I found an electrical schematic online and downloaded it (PDF File). As far as I can tell, the wiper relay is integrated into the
combination switch somehow. I will be going back to the dismantlers tomorrow and take one apart.
Much better to screw up on a car going to the crusher, than a daily driver. 
Rick
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