Table of Contents 1-1
Section 1
General Information
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3
Vehicle, Engine and Transmission ID and VIN
Location, Derivative and Usage . . . . . . . . . . . . . . . .
1-3
Vehicle Certification Label . . . . . . . . . . . . . . . . . . . . . . .
1-4
RPO Code List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-5
2021 - Silverado 4500HD, 5500HD, and 6500HD Electrical Body Builder Manual