Mike, it is on a 72 duster with a 360 crate engine,had stock electronic ignition, the system is simple just plug in the master plug to the boc 2 wires to the coil, the wires to the dist, ground to the battery, positivwe to the batt hot, ignition 12v from the switch,i know i have installed many of the 6al,7al, but something is just not right thanks for the reply
Thad