Any post on replacing complete wiring harness?

[Charlie57]

I have a 78 bus and a new wiring harness. I removed the old harness (and kept it) over 2 years ago. Is there any good post about anyone replacing the complete harness? For starters I'm just trying to figure out how to run the new harness.
Charlie

[telford dorr]

For a start, you'll have to run it exactly the same as the old one, for it to fit properly. As your old one is already out, you'll have to spend some quality time under the bus remembering and researching where it went (hint: it goes up the right side frame...) This will require fishing it through all of the small passages. Get a good steel fish tape from the hardware store and a roll of electrical tape. Tape the harness end to the fish tape and pull it through. You'll need someone to feed it from the other end. Make sure there are good rubber grommets where the harness passes through sheet metal (like the lower nose section).

I generally don't recommend replacing the harness unless you've really cooked it (like shorting the ignition coil feed to ground until the insulation melts). I have fabricated the whole engine compartment section before, which is the section most likely to get crispy and damaged.
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[Wildthings]

You might consider replacing the original tubes the harness ran through with a size or two larger piece of EMT conduit. I would think that this would make the job much easier.