Image: The wiring harness,

    Album:Vegetable Oil Conversion:Wiring everything up.

Holes and grommets
The wiring harness,
the front half of the wires running up through the floor towards the front of the bus (see the Wiring Diagram)

And through the electrical panel,

Album created by photo album generator a MarginalHack written by David Ljung on Thu Jan 28 03:53:01 2016