* Under the hood: This is usually the larger fuse box and contains higher amperage fuses. It's typically located near the battery.
* Inside the cab: This is often a smaller box, sometimes in the dashboard (often near the steering column, or under the dash on the driver's side), or sometimes in the glove compartment.
To find the precise location for *your* year and model of Chevy S10, consult your owner's manual. This is the most reliable way to ensure you locate the correct fuse boxes and understand their contents. The manual will have diagrams showing the location and what each fuse controls.