i have a fiat ducato 2.8 jtd motorhome today i was trying to fit a lighting board all went well untill i used the indicaors then they stopped working both indicators and emergancy flashers also when i now turn the ignition on it says (batt) on the instrument panel which flases for a few seconds then goes off. i have looked at the fuses both sides off dash and under the bonnet and can not see anything wrong with them, can anyone help on this matter please.