Case 580SR Service Manual page 1025

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ATTACHMENT SWITCH (1)
At start-up, the switch must have 12 V.
When the switch is operated, there must be 12 V at
pin 5.
REVERSING BUZZER
Activated by 12 V at key start when reverse gear is
selected.
With reverse travel selected, there must be 12 V at
pin connector.
Resistance of the buzzer 162 Ω.
SECTION 55 - ELECTRICAL SYSTEM
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1: C/N1
5: V1
M/B
N
197
F28483
F28487 F28485
F28488