Where is 2003 Gmc Yukon brake light fuse?

In a 2003 GMC Yukon, the brake light fuse is located in the fuse box under the dashboard on the driver's side. You can access it by removing the cover of the fuse box. The specific fuse for the brake lights is typically labeled in the diagram found on the inside of the fuse box cover. Always consult the owner's manual for the exact location and specifications.