10
Step 3: Unplug the 4-pin connector
from the DC/DC converter.
• Place the voltmeter positive
lead in pin #1 (12 v + input).
• Place the negative lead in pin
#3 (ground).
• Read the approximate tractor
voltage.
• If there is a voltage reading,
proceed to the next step.
• If there is no voltage reading,
inspect the wiring and plug and
repair any issues.
Step 4: Next:
• Place the voltmeter negative
lead in pin #3 (ground).
• Place the positive lead in pin #4
(ignition).
• e voltage reading should be
greater than 10 volts.
• If the voltage is greater than 10
volts, proceed to the next step.
• If the voltage is not greater than
10 volts, inspect the wiring and
plug and repair any issues.
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