* Pre-Facelift (roughly early 1989 models): The fuse panel is typically located under the hood, near the battery.
* Post-Facelift (roughly late 1989 models and later): The fuse panel is usually located inside the vehicle, on the driver's side, often under the dashboard.
To be absolutely certain, check your owner's manual. It will have a diagram showing the exact location of the fuse panel and what each fuse controls. If you don't have the owner's manual, you can often find a PDF version online through a Jeep forum or a parts website.
Looking at both locations is your best bet.