Can you ID this alternator?
FWIW
Alan's pictures show how the wiring was originally routed and supported.
Early and mid year Firewall harness clip
Here's mine which has some extra wires on the inner fender for the MSD ignition.
Someone commented earlier about the alternator Batt terminal's insulation.
Usually looked like this
and on the inside the terminal (left) is insulated with a mica washer
Repair and "rebuilt" will sometimes use a rectifier with a stud instead of a bolt.
and use a different insulator.
If the bearings are good, all the other parts on your squareback can be removed, cleaned up or replaced with basic socket set.