4A-GZE MK1 Engine fuel selection switch retrofit

4A-GZE MK1 Engine, switch, factory, diagram, fuel, link, wiring, selection, resistor, swapped, harness, dash, http://www.mr2oc.com/showthread.php?s=&threadid=61430, hold, mounted, wire, signal, grounded, diagrams, find, rolleyes, google, hard, boards, stock, cheap, crude, load, forgot, buying, slight, technical, information, found, flaw, dashboard, connection, install, needed, retrofit, 4agze, play, plug, involved, hesitant, circuit, hole, means, wires, concern

im looking into what is needed to install a fuel selection switch on my 4agze swapped 87 mr2. since it was swapped, i dont have the plug and play connection in my dashboard. im looking into buying the switch, but forgot about that slight technical flaw. ive found information on the wiring involved, and looking at the diagram brings room for concern. the wires they mention are for the factory switch in this application. it appears the switch contains a resistor, which means it is a load in a