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Passenger Car Zoning

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. 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: Passenger Car Zoning View
GM160960Courtesy of GENERAL MOTORS CORP.
Vehicle Zoning Table

Callout Numbers Zone Description
100-199 Engine compartment- All forward of the dash panel
Note: 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 the 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 luggage compartment lid or hatch