Manuals
Fuse block diagram
1978 Sill dimensions
Image

Above shows the 2-layer channel, heaver 14GA steel with thinner 18GA cover.
Image

Where the factory welds show up on the main sill structure.
Image

Where the sill meets the bed and welds to the floor.
Image

Location of the bottom door latch and the sill dimple where it rests.
Image

Valve Adjustment diagram
Image
