H hel123 Member Nov 19, 2019 #1 Have a 6420 with no lights at all, checked fuses and there OK. What could it be?
T traineefarmer Member Mixed Farmer Location Mid Norfolk Nov 19, 2019 #2 The rotary switch on the dash has probably melted.
T tweedale terrier Member Location The Hills Nov 20, 2019 #3 Double check the fuses then check the relays.