Where is the alternator fuse on cts 2003?

On a 2003 Cadillac CTS, the alternator fuse is typically located in the fuse box under the hood. To find it, open the fuse box and look for the diagram on the cover that indicates the location and amperage of the alternator fuse. It is usually labeled as "ALT" or "Alternator." Always refer to the owner's manual for the most accurate information specific to your vehicle.