Q: The alternator wire gets very hot. - YourMechanic Q: The alternator wire gets very hot and it melted the top of my battery. I replaced the megafuse the battery and the alternator and it still gets very hot. You can How to Wire a Chevy Alternator | It Still Runs How to Wire a Chevy Alternator by Kevin Krause . The GM alternator used in all Chevrolet models is easy to install, as it is connected using only a few wires. The alternator converts the engine's mechanical rotations into an electrical current using a pulley-and-belt system. This current is fed to the car's battery, charging it for later use.
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