Vehicle Zoning Strategy
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
All grounds, in-line connectors, and splices have identifying numbers that correspond to where they are located in the vehicle. The following table explains the numbering system.
| Callout Numbers | Zone Description |
|---|---|
| 100-199 | Engine compartment (all forward of the instrument panel) |
| 200-299 | Within the instrument panel area (between the bulkhead and the front plane of the instrument panel) |
| 300-399 | Passenger compartment (from instrument panel to the back of the 2nd row seats) |
| 400-499 | Luggage compartment (from the back of the 2nd row seats to the rear of the vehicle, including any additional rows of seating rear of the 2nd row seats) |
| 500-599 | Inline harness connectors to or within the driver door |
| 600-699 | Inline harness connectors to or within the front passenger door |
| 700-799 | Inline harness connectors to or within the left rear door |
| 800-899 | Inline harness connectors to or within the right rear door |
| 900-999 | Inline harness connectors to or within the liftgate, lift window, endgate, or rear doors |