On Thu, 26 Sep 2013 02:37:23 +0000 (UTC),
wrote:

Which part of the part number really matters?
York Borg Warner 0120G-D1N W07625 1965 Gas Furnace 120 kBTU/HR (96 max
bonnet)

How might i get schematics/manual/parts?
(eg, I think I need a new fan)


You may find the electrical schematic pasted on one of the panels.

I've never see a fan go bad. Usually, it is the motor that turns the
fan. That should be easy enough to check by putting power to it.