2024 Chevy Silverado 3500hd Dual Battery. On the 18 and now 24, with about 5 min of prep to get to where you. Detailed specs and features for the 2024 chevrolet silverado 3500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type,.

2nd battery is isolated from the factory and is only used when the alternator is not able to produce. I purchased my holder (p/n 19116352) and cover (p/n 15881616) from gmpartseast.