Bench test of reg will require Var V trigger ...you have Var power input for that at your bench?

The reason my test are In SITU is b/c we are concerned with the circuit LOAD conditions present as they are in the car. That is why you should have just jumpered the blu wire from the get-go instead of pulling the motor for a bench testing.
Lets do the test........in the order I post, please.

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A Dalton