How to Wire a Chevy Alternator | It Still Runs The GM alternator used in all Chevrolet models is easy to install, as it is connected using only a few wires. How to Wire a Chevy Alternator by Kevin Krause . Leaving the #2 terminal disconnected will simplify the wiring of the alternator. When left disconnected, regulation will be left to the alternator's internal regulator. Chevy 3 Wire Alternator Wiring Diagram - Wiring Diagram Apr 29, 2019Chevy 3 Wire Alternator Wiring Diagram (Apr 29, 2019) - Hello precious visitor. Searching for new choices is among the most exciting events but it can be also exhausted when we can not find the desired ideas.