Posted January 7, 2018. u need to remove the heater selector then reclip the connecting cable to the back of the selector quite fiddly though. first u need to remove gear stick surround then i think its a couple of torx screws holding the heating controls in place. suggest u buy the Haynes manual u cant go wrong then. Name: Nathan. Ford Model: Ford Fiesta MK7.5 ST3. Ford Year: 2014. UK/Ireland Location: Lancashire. Posted June 8, 2014. Just been driving in my mk7.5 ecoboost and I booted it to pull out at a junction and my car pulled back almost and flashed up with engine malfunction and the spanner light. Got across safely and pulled over, turned the car off The screen wash pump is controlled by the BCM (body control module). The same pump does the front and rear screen. It runs clockwise for one screen and anti-clocwise for the other. The common fault when these stop working is a fault with the BCM, normally water gets in to the connectors and the pins corrode. Quote. The most common causes for AC fan blower motor not working in Ford Fiesta are blown fuse, bad relay, resistor or control module malfunction and faulty blower motor. However, a bad electrical connector or broken wire, or a defect in the climate control unit can also cause the blower motor to stop working. 1. Best Answer. Copy. You should check your car manual to see if any fuse controls both of these and replace the fuse. Since you had to ask the question, you probably don't know how to do this Due to not being able to find any help on this post I thought I would join you all and hopefully help anyone who is having climate control heater problems My mk7 Fiesta with automatic climate control came up with a fault of only blowing cold air through all the temperature settings and what ever A bad temperature sending unit (the second most common reason) A problem in the temperature gauge's electrical circuit. A fault in the control circuit from the car's computer (depending on vehicle model) A bad temperature gauge. Any of these conditions may cause the temperature gauge to: Read low. Read high. 1. Faulty sensor. One of the most common reasons for the airbag light to turn on in Fiesta is a faulty sensor. The airbag system relies on a network of sensors to detect a crash and deploy the airbags. If one of these sensors is damaged or malfunctioning, it can cause the airbag light to turn on. 2012 FORD FIESTA. 1.6L. 4 CYL. FWD. AUTOMATIC. 74,163 MILES. All of the dashboard lights come on when I start the car and they stay on. Every thing from the abs light to the check engine light comes on and doesnt go off until the vehicle is shut off. Any info on what would cause this would be helpful. mPESpW.