Position 46 in interior fuse box. Open "glove box" panel by drivers door and then tug again gently to gain access to fuses behind. 7.5A replacement.
The interior light fuse on the 2003 GMC is located under the rear seat on the driver's side in the back fuse box. The fuse is number four.
There should not be one for the interior light.
you can pull the fuse
CHECK BOTH THE INTERIOR FUSE AND THE COURTSY FUSE
The fuse that says "room".
i was told its the same fuse as the interior light
interior light fuse
In the fuse box.
Fuse 15
Interior light
The interior light fuse can be found in the fuse box. The function and location of each fuse is listed on the inside cover of the fuse box.
Door lock fuse is the same as the interior light fuse its a 10amp fuse