Unless the voltage regulator in the alternator has been bypassed or subverted there is no way on earth a 1117437 or 1116413 Delco regulator can be over-riden and the stator sense lead regulator bridge between the rectifier and regulator will shut down the voltage regulator
The ECM controls the voltage. There is no regulator in the alternator.
There is a second plug on the alt that goes to the ECM..
Read here. This is an updated 2015 version.. I could not find it before..
RVC GM alternator voltage control RVC through ECM
