gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 6553 > < Automatic Transmission - 4L80-E/4L85-E|Page 6547
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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.

Diagram Information and Instructions|Page 6553 > < Automatic Transmission - 4L80-E/4L85-E|Page 6547