Ignition System Specifications
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
| Application | Specification |
|---|---|
| Ignition Type | Individual Ignition Coils |
| Firing Order | 1 - 8 - 7 - 2 - 6 - 5 - 4 - 3 |
| Spark Plug Wire Resistance | 170 - 220 Ω per 25.4 mm (1.0 in) |
| Spark Plug Torque | Refer to Fastener Specifications |
| Spark Plug Gap | Refer to Engine Mechanical Specifications (L83)Engine Mechanical Specifications (L86) |
| Spark Plug Type | Refer to Electronic Parts Catalog |