A W16W bulb is a 16-watt single-filament capless bulb on a W2.1×9.5d wedge base, used for reversing lamps, high-level brake lamps, and bright marker lamps.
A New Holland tractor lighting system uses headlamps, work lights, cab lights, beacons, and rear clusters drawn from the wider CNH Industrial parts catalogue, with
Tractor lighting faults follow a predictable diagnostic order. Bulb, fuse, earth, power feed, switch, relay, charging system. Working through those seven checks in sequence isolates