if you were putting the motor into a 72 chevy truck you would only have to hook up about 4 wires on the motor----i think you are over thinking the correct wire loom idea----you could use a gas truck loom---hook up the alternator---starter-oil pressure-water temp---hook both sides of the ballast into one wire to the injector pump solenoid----you dont need the grid heater in tucson but could easily run it off a push button switch----check with some 4x4 shops down there doing diesel conversions---it shouldnt be too hard---unless you meet the guy behind on his mortgage payments....bob