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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 768 (Wiring Systems (General Information)) >> Diagnostic Information & Procedures >> Vehicle Zoning

Vehicle Zoning

WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

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.

Fig 1: Vehicle Zoning
G02505663Courtesy of GENERAL MOTORS CORP.
Vehicle Zoning

Callout Numbers Zone Description
100-199 Engine compartment (All forward of the dash panel) 001-099 are additional for the engine compartment (Only to be used if all 100-199 items are used)
200-299 Within the instrument panel area
300-399 Passenger compartment (From instrument panel to the rear wheelhouse)
400-499 Luggage compartment (From the rear wheelhouse to the rear of the vehicle
500-599 Within the left front door
600-699 Within the right front door
700-799 Within the left rear door
800-899 Within the right rear door
900-999 Within the liftgate or endgate door