Circuit/System Description
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.
For an overview of the component/system, refer to : Horns System Description and Operation
| Circuit | Description |
|---|---|
| Control - Relay Coil | The output circuit is switched to ground to activate the component. |
| Component | Description |
|---|---|
| X50A Fuse Block - Underhood | The fuse block houses various fuses and relays. |
| K9 Body Control Module | The module controls various vehicle functions like lighting, central door locking, power windows, etc. |