CTS V8-5.7L VIN S (2005)
Fuse Block: Locations
Battery And Fuse Blocks
Fuse Block - Left Rear: In the passenger compartment, under the left side of the rear seat.
Fuse Block - Right Rear: In the passenger compartment, under the right side of the rear seat.
Fuse Block - Steering Column: In the passenger compartment, behind the driver knee bolster, at the base of the steering column.
Fuse Block - Underhood: In the engine compartment, in the RF corner.