I would also suggest reaching out to some of the guys that part out vehicles and see if they have the parts you need. You of course will need to know what is bad and/or needs replacing first unless you just shoot the whole harness assembly at...
so since i got tagged i will chime in with something i have seen in the past.
the 93 and 94s are known to have bad wiring for the starter and running another wire on a relay is an easy fix. i have done it myself on 3 different ones and it works...
Did you test continuity for the wiring harness I know this a huge pain but visually looking at wires will not tell you if there is a break somewhere else in the harness. Look in the parting out section to find a used distributor. @swamp-thing or...