Ford Kuga Blower Motor Relay Problems

radio did a loud crackling noise and all sound gone now. cd bluetooth radio sat nav - nothing works

Radio not woking no audio no display no audio from hands free

Nothing on radio dash working won’t turn on can’t use satnav or phone either but engine all ok & headlights ok

Press start button ,all ignition lights are working but will not crank. It will start with a short tow and run fine ??? Replaced starter, Battery ok, ECU professionally checked as ok