So lets check the fuse in the CJB. it should be F11. If that has power then check that the grounds to the reverse lights have very little resistance to a known good ground point. if you have power at the fuse but no power to the rear and the ground is good then we are probably looking at a broken wire. 1. Quote. The most common reasons a car radio may turn on or off by itself are a faulty ignition switch, the radio getting old, faulty wiring, incorrect radio installation, a blown fuse, loose wire connections, loose faceplate, or a faulty battery. To fix this issue, you need to begin by determining the exact root cause of the issue and address that. Hi, if anyone can help, I've got a 2016 Mondeo, the heated front windscreen isn't working. I've checked left and right side fuses, both appear ok. Can anyone help on further things I can check. Cheers in advance! does your stop start work if not can be battery mine was intermittent before battery replacement. TreborB. Ford Mondeo: Heater blower not working mk4 mondeo titanium Heater blower not working mk4 mondeo titanium x, 08. Reg, we have changed the fuse checked the relays, been to fords gates Stevenage, car dosnt come with a resistor pack, apparently it's auto. … 1. Dead Battery. The most common reason a key fob isn’t working is that the battery has died and needs to be replaced . Some vehicles will display a warning message that the key fob battery is about to die. Depending on your Ford Mondeo’s model year, it may or may not warn you. To replace your Mondeo’s key fob battery, you’ll have to .

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