Hi,
There is a chance the motor itself has shorted internally or the multiplex control unit under the dash has shorted. I have a few questions. First, when they are running, do you have control over the wiper speed? Does the washer pump work?
Next, I need to determine if there is a short to power at some point. What I want you to do is remove fuse 20 from the under-dash multiplex control unit. Do this and let me know if the wipers still run.
I attached the wiring schematic below, so you have a reference.
Let me know what you find.
Joe
See pic below. Note: I cut the schematic in two, so it is readable for you.
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Sunday, December 18th, 2022 AT 11:19 AM