Sierra 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
Brake Switch - TCC: Diagram Information and Instructions
Truck Zoning
TRUCK ZONING
Truck Zoning
All grounds, in-line connectors, pass-through grommets, and splices have identifying numbers that corresponds to where they are located in the vehicle.
The table explains the numbering system.
