With auxiliary battery, without dual alternator, primary battery. Silverado, Sierra 2500 HD. Gas. Single generator. Diesel. Main. Silverado, Sierra 3500 HD. Dual generator.

Battery Cable Terminal End, Right

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Silverado, Sierra 2500 HD. Starter solenoid. Silverado, Sierra 3500 HD. With auxiliary battery, without dual alternator, starter, 6.6L gas.

With auxiliary battery, with dual alternator, aux alternator jumper, 6.6L gas.

Battery Ground Strap

With auxiliary battery, without dual alternator, #2, 6.6L gas.

With auxiliary battery, without dual alternator, primary battery, 6.6L diesel.

Junction Block

With auxiliary battery, without dual alternator, aux battery, 6.6L gas. This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Junction Block Cover

With auxiliary battery, without dual alternator, aux battery. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors