New Holland Workmaster 50 Operator's Manual page 53

Head Light Switch Positions
The head light switch (8), see 1 consists of four positions,
Position (1) - Off
Position (2) - Parking lights on.
Position (3) - Head lamp low beam.
Position (4) - Head lamp high beam.
Key start/stop switch
The key switch (9) activates electrical equipment, lights,
gauges, and starter motor.
3 - CONTROLS AND INSTRUMENTS
3-9
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