215916 359 Revision A
Figure 5.31: Roof Relay Module
The roof relay module is located inside the cab’s headliner.
Preventing Electrical System Damage
Figure 5.32: Alternator
A - Negative Terminal B - Positive Terminal
To prevent electrical system damage, take the following
precautions:
• Carefully observe polarity when attaching
booster battery.
• Do NOT short across battery or alternator terminals or
allow battery positive (+) cable (B) or alternator wire to
become grounded.
• Be sure alternator connections are correct before
connecting the cables to the battery.
• When welding on any part of the machine, disconnect
battery cables. For instructions, refer to 1.8 Welding
Precaution, page 9.
• Always disconnect battery ground cables when working
with the alternator or regulator.
• Never attempt to polarize alternator or regulator.
• If wires are disconnected from the alternator, refer to Figure 5.32, page 359 to ensure proper connection.
• Never ground the alternator field terminal or field.
• Never connect or disconnect alternator or regulator wires with battery connected or alternator operating.
• Always disconnect cables from the battery when using a charger to charge battery in windrower.
• Ensure all cables are securely connected before operating engine.
• To avoid damage to circuit boards by static electricity, disconnect negative battery terminals when replacing
electronic control modules. Furthermore, when handling electronic control modules, avoid touching the connector
pins directly.
MAINTENANCE AND SERVICING
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