1996 Ford Econoline Super Duty Engine: 5.8L V8; Blower Resistor; w/ Auto AC; Front;. 1997-1999 Ford Econoline Super Duty Engine: 5.4L V8; Blower Motor Resistor; Front; Position: Front;. 1997-1999 Ford Econoline Super Duty Engine: 5.4L V8; Blower Motor Resistor;.