that switch is controlled by the temperature, its a thermo temperature switch.. if its stuck on hot... it'll tell you its hot all the time

 

Thanks for all the info, I'll look into replacing the switch first.

Also, it looks like this switch is the same thing as the sensor 2manytoys was talking about. Polaris part number 3089246

 

There is a service bulletin on some of these machine about a bad ECU causing that condition you need to see if you falls it to that first. If it does the repair is free for a 200.00 part and the labor.

If you contact me I can check and see if yours needs the update

 

call polaris. they will tell you how to reset the computer

 

Hydro, PM sent.

 

Reply has been sent.

 

Hydro, nothing in my PM inbox, try again or email me at jstapf@yahoo.com

Thanks.

John

 

I sent one again but in case you don't get it. I check the bulletin and yours does not fall within the serial number range, but the problem you having is very common with a failed ECU. You may want to take it to the dealer they have a module that can test it. Also the ECU is NOT resetable it either good or bad. Hope this helps---Hydro[img]i/expressions/face-icon-small-smile.gif[/img]

 

I own a 500 sportsman and also have an overheating problem. Manufactured: 08/05/2003

The temperature sensor has 5 kb and even with it unplugged, no hot light nor fan turning.
The fan itself is OK (provided 12V at the fan connector as a test)

There was a relay mentioned? Where is that located? How can I test? Does anybody have a electric diagram of the fan and the temp sensor?

Other suggestions?

Thanks,
JHEdmonton

 

on mine its right below the ecu, its a black box maybe 5x5in.. although i read that on the newer models there is a capacitor that will go first so that you dont burn out the relay like i had.