Silverado, Sierra 2500 HD. Gas. Battery main. Dual generator. Silverado, Sierra 3500 HD.

Terminal

With auxiliary battery, without dual alternator. Excellent conductivity helps power vehicle electrical components

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

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

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

Junction Block Cover

Driver side instrument panel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors