You should state what truck you are working on. If it's an AD or TF truck the top of the box is held on with screws. There is a cap in the top that will pry off. You can't see much through that hole though.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.