Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Non-working dome light – why does multimeter show “OL” rather than voltage? › Non-working dome light – why does multimeter show “OL” rather than voltage? January 4, 2020 at 9:26 pm #895652 Richard KirshyParticipant If there is a short, I would think a fuse would blow. I’d go with a possible open / break in the circuit.