Protect Monitor and Control System From High Voltage
IMPORTANT:
Components of the monitor and control system are designed for operation in a 12-volt, negative ground, electrical system. Connection to a 24-volt electrical system will result in component failure.
GREENSTAR
®
display and SEEDSTAR
®
controller are both voltage sensitive electronic devices that must be protected from transient (momentary) voltage surges. If not protected, a high-voltage surge can cause the monitor/control system to reset or may result in component failure (i.e., read burn on display screen).
Most electronic components are not designed to absorb high-energy voltage surges.
Most newer John Deere tractors have transient voltage protection (TVP) circuitry designed into the electrical system to protect not only the tractor's electronic devices, but also accessories connected to the convenience outlet and/or 7-pin power plug.
If in doubt that tractor has internal TVP circuitry, or if tractor is known to have TVP circuitry but its voltage protection rating (40 volt maximum) cannot be determined, a voltage protected should be installed. Order tractor harness BA28418. The additional protection provided by the external TVP module will not harm or have any effect on the operation of the monitor and control system.
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