Why does my Ford Mondeo battery warning light keep coming on?
Why does my Ford Mondeo battery warning light keep coming on? See Ford Mondeo Auto High Beam for activating the system, how it works, what makes it stop working and maintenance. If the battery warning light stays on after ignition or comes on when driving, there is a battery charging fault. This can be related to: 1. faulty battery, 2. faulty wiring / battery terminals, 3. faulty alternator. What kind of battery does a Ford Mondeo use? Whilst that was charging I fitted an old Halfords Calcium battery that I removed from my old ST24 (bought new in 2012 but...