There are two extra wires at the battery postive post that looks like fuses. Need to know what they are for. 2016 L3901 Kubota tractor.
Extra wires at the battery.
- Thread starter kenskat1
- Start date
I don't know if this is true or not, but Grok found this. Look to see if it makes sense.
Those are the two main slow-blow fuses (50A BATTERY and 40A LOAD) for the 2016 Kubota L3901.
They sit next to the battery (under the hood) and connect into the positive side of the circuit via short harness wires or terminals. They look like larger blade/cartridge-style fuses or fuse links and are the primary protection for the main electrical cabling.
What each does
No code has to be inserted here.
These are separate from the smaller blade fuses (mostly 5A/10A/20A) in the regular fuse box that protect individual circuits (Engine ECU, Main ECU, meter panel, combination switch, work lights, starter relay, hazard lights, etc.).
The workshop manual notes that the slow-blow fuses protect the electrical cabling. If one blows, find and fix the cause (short, overload, or damaged wiring) before replacing it—use only a genuine Kubota part of the correct rating.
Owners commonly refer to “the 40 and 50 amp fuses next to the battery,” which matches exactly what you’re seeing.
If they appear damaged, corroded, or you’re troubleshooting a no-power or intermittent issue, pull them carefully and check continuity/resistance (or just swap in known-good ones after confirming the root cause). The main positive cable from the battery still needs to stay clean and tight as well.
Those are the two main slow-blow fuses (50A BATTERY and 40A LOAD) for the 2016 Kubota L3901.
They sit next to the battery (under the hood) and connect into the positive side of the circuit via short harness wires or terminals. They look like larger blade/cartridge-style fuses or fuse links and are the primary protection for the main electrical cabling.
What each does
No code has to be inserted here.
These are separate from the smaller blade fuses (mostly 5A/10A/20A) in the regular fuse box that protect individual circuits (Engine ECU, Main ECU, meter panel, combination switch, work lights, starter relay, hazard lights, etc.).
The workshop manual notes that the slow-blow fuses protect the electrical cabling. If one blows, find and fix the cause (short, overload, or damaged wiring) before replacing it—use only a genuine Kubota part of the correct rating.
Owners commonly refer to “the 40 and 50 amp fuses next to the battery,” which matches exactly what you’re seeing.
If they appear damaged, corroded, or you’re troubleshooting a no-power or intermittent issue, pull them carefully and check continuity/resistance (or just swap in known-good ones after confirming the root cause). The main positive cable from the battery still needs to stay clean and tight as well.
oem or aftermarket?
if oem they should be branch lines feeding positive energy to load center(s) / fuse block(s) whic then lead to key switch and other electronics.
whitetiger
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Kubota tech..BX2370, RCK60, B7100HST, RTV900 w plow, Ford 1100 FWA
If you are asking about the connectors right at the battery post clamp, they are connectors for positive current to the harness. They go from the battery post to slow-blow fuses mounted to the radiator support.