Cub Cadet Maximum fuse on Auxiliary Outlet

[Walt in Pittsburgh]

Does anyone know the maximum fuse you can use on this circuit? I was hoping a 7.5A or 10A. I tried to find a schematic without luck.

Tractor is a GT2544. I am trying to use a 25 gallon spot sprayer on the 12v auxiliary outlet, but the 5A fuse keeps blowing. The motor on the spot sprayer is rated 6A.

I have been hooking the sprayer direct to the battery with the aligator clips provided with the sprayer.

An alternate, as some users have indicated, would be to buy a separate battery for the sprayer and charge once in a while.

Any help would be appreciated. I don't want to up the fuse without knowing the maximum. I don't need burned out wiring.

 

[Gator6x4]

Stop at your favorite local auto parts house. Ask for a three prong relay. 12 volts in, 12 volts out with a ground. Place this in the circuit for the 12 volt auxillary outlet after the fuse and before the outlet. When you plug in your sprayer the relay will take the heat and give good service. Simple to wire and will give years of satisfaction.

 

[kebo]

I would suggest looking at the wire size that is wired to the auxilary circuit. If you can determine the wire gauge, looking at the standard wire charts will tell you the maximum dc current carrying capacity of that wire size. For safety's sake, once you determine what it is, you might go with a slightly lower rated fuse. All that is assuming there is nothing else wired to the same auxiliary circuit.

 

[Walt in Pittsburgh]

I agree. That's why I was hoping to get a schematic or wiring diagram. I would have to think a 7.5 amp fuse would be fine on the circuit. I can't imagine I would exceed the wiring capacity.

 

[Gator6x4]

Most spot sprayers have on demand electrical pumps. When you press the spray handle the motor starts. When an electric motor starts the amp draw increases, sometimes to double that of the rated run amp. For discussion let us say the motor on your sprayer is one that doubles. It is rated at 6 amp so on startup it is pulling 10-12 amps. As you use the sprayer you constantly start and stop the motor on the sprayer. This stresses the fuse and it blows. This is why on automobiles and other motor vehicles you will find relays on the lights, horn, AC and other start and stop devices. It is not a question of over stressing the wire, or the wire should be changed or you are exceeding the wiring capacity. Spending less than five dollars for a simple relay will solve your problem. Or you can re-do the wiring, place larger wiring and a twenty five or thirty amp fuse inline and accomplish the same thing.