More then likely this is a TIPM issue. This is called the Totally Integrated Power Module. Basically it takes all the inputs from the different switches and sends voltage to the components like the headlights.
I would replace this as I have seen these odd issues multiple times from these modules.
I attached the info below on how to replace it. If we want to confirm this, we need to test the voltage coming from the TIPM to the wiper motor. I attached the wiring diagram for this as well. Here is a guide that will help with this type of testing.
https://www.2carpros.com/articles/how-to-check-wiring
Let us know what you find with this.
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Monday, February 22nd, 2021 AT 5:18 PM