Originally Posted by
raycow
Before you rush out and buy a switch, run a couple of simple tests first.
Unplug the three-terminal connector at the wiper motor. Turn on the ignition switch and check for power on the yellow wire. If no power, check at both sides of the wiper fuse and fix this problem before going any further.
If you have power on the yellow wire, reconnect the plug. Unplug the connector at the wiper switch. Ground the light blue wire only. If the wiper motor runs now, you can use a normal on-off switch as a patch (high speed only, and no washer). If the motor doesn't run, you have a problem in the motor or in the connecting wire between the motor and the switch.
Ray
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