Welcome to 2CarPros.
It sounds like a few different issues. Which fuse keeps blowing? Also, when you shift to awd, are you doing it while parked and in neutral?
I will say this. These vehicles have what is called a TIPM. That stands for totally integrated power module. From experience, I have found that most all electrical issues are related to the connection pins in the plugs. There are several plugs which attach to it with many pins. What seems to happen is they corrode, break, or for other reasons lose connection.
Let me know which fuses are the issue and if anything when shifting to 4wd works.
Take care,
Joe
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Sunday, October 6th, 2019 AT 7:37 PM