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Kubota B7510 will not start

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Deb7510
Join Date: Apr 2023
Posts: 1
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2023-04-27          201574

White wire with clip on top of starter solenoid is not connected to anything. Cannot figure out where it connects. Kubota dealer said the wire should connect to the positive side of the battery, but there is no wire clip or single wire coming from the battery wire harness. The wire from the top of the solenoid is very short.

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Kubota B7510 will not start

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KubotaB7610
Join Date: May 2023
Posts: 0
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2023-05-06          201594

My Kubota is starting and running fine have never done any repairs since I bought it new. The white wire attaches to nothing on mine also. Could be a test lead ?? ....

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Kubota Tractors Kubota B7510 will not start
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Kubota B7510 will not start

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eborduas
Join Date: May 2012
Posts: 3 Southern California
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2023-05-09          201600

Have you checked the safety switches that could prevent the engine from starting.

Seat Switch and Reverse Seat Switch
These switches are located under the seat. When
sitting on the seat, the seat switch (1) is pushed in and
electrical circuit is closed. When the seat is vacant, this
switch is not pushed and electric circuit is opened.
Other reverse seat switch (2) is to detect tilting the seat.
When tilting the seat forward as shown in the figure, the
reverse seat switch (2) is pushed in and electrical circuit
is closed.

Main Gear Switch 1 and Main Gear Switch 2
These switches are located on the transmission case
upper cover. When the main speed change lever is not
in neutral, these switches are pushed in and electrical
circuits are opened

Rear PTO Switch
This switch is under the PTO gear shift lever. When
the PTO gear shift lever is in neutral, this switch is
pushed in and electric circuit is closed.

Clutch Pedal Switch
This switch detects the clutch pedal whether being
depressed. When the clutch pedal is depressed and the
clutch disengaged, this switch is pushed in and electric
circuit is closed

Starter Relay and Key Stop Timer
Starter relay and key stop timer are located at inside
of the fuel tank frame

Engine Starting Conditions
When the following conditions become complete, output current (12V) reaches coil terminal of the starter relay from
main switch AC terminal, and the engine can be started.

Clutch Pedal Switch Depressed
Rear PTO Switch: disengaged
Main Gear Switch 2: Transmission in neutral.

You can test the switches by replacing them, temporarily, with an automotive fuse. If the engine starts then the switch is likely bad. You should also check for continuity at the switch plugs.
....

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