New Holland WorkMaster 50 Service Manual page 558

Ground speed control - Test Transmission range safety switch
Workmaster™ 50
Workmaster™ 60
NOTE: Use an ohmmeter to test the transmission range safety switch for electrical continuity.
Extended position
1. With the transmission range safety switch plunger
in the extended position "A", there will be electrical
continuity across the terminal leads.
1. If continuity does not exist while the switch is in the
"Extended " position, the switch is defective and needs
replaced.
Retracted position (not shown)
1. With the switch plunger in retracted position, conti-
nuity will not exist between the terminal leads.
2. If continuity exits while the switch is in the "Retracted"
position, the switch is defective and needs replaced.
Electrical systems - Transmission control system
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