wiring diagram: (page 4 is power dist.)


https://www.startekinfo.com/StarTek/outside/12253/disc%202/program/ETM/126gas83-85.pdf


are your hazard lights working?


Trace the wires in the diagram to see if you really don't get power to various systems


If you don't then the only thing I can think of that's wrong is in the fuse box itself.