Heat fan not working. where is the resistor located on a ford escort. Sign in to reply. I found this on Repairpal Common problems page for you 97 ford. Order Ford Escort Blower Motor Resistor online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store. About a $15 part at your local Ford dealer. The resistor is exposed to outside moist air I have ford escort , heater fan not working, new fan motor is.