Passenger Car 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.

Fig 1: Passenger Car Zoning

Courtesy of GENERAL MOTORS CORP.

Fig 2: Passenger Car Zoning Explanation Table (LHD)

Courtesy of GENERAL MOTORS CORP.