2012 GMC Sierra Owner's Manual - Page 436

10-50 Top View Vehicle Care Harness Connector Wheels and Tires Usage Headliner HEADLINER 2 Harness Connector 2 Headliner HEADLINER 1 Harness Connector 1 SEO/ UPFITTER Special Equipment Option Upfitter Harness Connector Tires Every new GM vehicle has high-quality tires made by a leading tire manufacturer. See the warranty manual for information regarding the tire warranty and where to get service. For additional information refer to the tire manufacturer. Harness Connector BODY 2 BODY 1 BODY 3 Usage Body Harness Connector 2 Body Harness Connector 1 Body Harness Connector 3 Circuit Breaker CB1 CB2 CB3 CB4 Usage Passenger Side Power Window Circuit Breaker Passenger Seat Circuit Breaker Driver Seat Circuit Breaker Rear Sliding Window { WARNING . Poorly maintained and improperly used tires are dangerous. Overloading the tires can cause overheating as a result of too much flexing. There could be a blowout and a serious crash. See Vehicle Load Limits on page 9‑16. (Continued) . Headliner HEADLINER 3 Harness Connector 3