burning out rotor cap on 1997 GMC Yukon

changed rotor cap and dist cap three weeks later same thing purchased best one they had, burned out rotor cap 1 week. im thinking change out rotor cap and dist cap, wires and plugs. any other ideas?

Asked by for the 1997 GMC Yukon
High resistance in the coil high tension wire could cause a high voltage requirement /extra current transferred by rotor to ignition distributor cap.