It was more than just GM that designed that connector - it should be just fine.I just worry about getting water spray in the contact. Hopefully GM has thought about this as well.
No it's partially open towards the end of the wash cycle during rinse and blow down.It was more than just GM that designed that connector - it should be just fine.
I'd worry much more about the door itself if there are still spinning brushes hitting it when it opens (does it open fully?).