I'm thinking that it might be under the hood on the drivers side. I asume that you have scoured the dash and cab insides for it.
The other weird location might be behind the seat.
Get a Hatnes Manual. I had a 75 and a 79 and the manual was useful for both.
The fusebox on a 79 chevy is under the dash on the drivers side by the fire wall
Where is the fuse for the horn on a 2000 chevy silverado?
Where is the radio fuse on the 2008 Silverado
where is the fuse for heated driver seat on 2003 Chevy Silverado>
Should be located in the under hood fuse box. The 15 amp blue fuse is marked "radio".
"Which fuse controls the fan for the ac on a 2006 Chevy silverado?"
The fuse controls for the cargo light on a 2001 Chevy Silverado are located in the fuse panel just beside the brake pedal. It is labeled on the cover and can be replaced by the owner.
It is located in the main fuse box under the hood driver side labeled CIG LTR.
My 2003 Silverado Duramax has the fuse located located under the hood on the drivers side. The top of this fuse and wiring box can be removed by grasping the top on the inboard side and gently but firmly pulling up. Location of fuse will be noted on the underside of the cover.
The fuse for the power mirrors on a 96 Chevy Silverado K1500 are found under the hood.
In the fuse box.
Under the hood, drivers side, in the fuse/relay center.
If the chime won't stop on your Chevy Silverado, you can remove the chime fuse in order to make it stop. Open the fuse panel and choose the fuse that is marked 'chime module.'