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2011 850 Sportsman fuse box question.

bodon

By bodon
in Polaris ATV Forum

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bodon Rookie

bodon

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Anyone know what the fuse terminal marked UNSWITCH  does  .  Even with the key off it is causing a drain on my battery and I'm trying to figure out  what that terminal goes to.  It's a 10 amp fuse. If I pull it the "short" goes away.  Thanks in advance.

  • 2 months later...
Frank Angerano Grand Master

Frank Angerano

Posted
Posted

Hey @bodon , that unswitched fuse is a power feed that is constantly energized even with the key off.  It generally is on the fan circuit or a safety circuit,  so when the engine is hot and the cooling fan is running and you shut the engine off the fan will continue to run until engine/coolant is satisfactory. Wish I would have seen this sooner and answered to help you along. 
 

The draw can be caused by a sensor that’s going bad, maybe a fan sensor.  It’s easy enough to isolate though.   
 

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