pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 466 > < Engine Controls - Aftermarket Accessory Usage|Page 463
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Engine Control Module: Diagram Information and Instructions

Utility/Van Zoning

All grounds, in-line connectors, pass-through grommets, and splices have identifying numbers that correspond to where they are located in the vehicle.
The following table explains the numbering system.

Electrical Symbols

Diagram Information and Instructions|Page 466 > < Engine Controls - Aftermarket Accessory Usage|Page 463