I need a diagram of the locations to be check on a 2004 Polaris sportsman 500 ?

Question edited for clarity.
Question moved to a Polaris Category.

Normally, you would just drain the tank, remove the fitting and replace the gasket. I don't see a gasket though, unless it is just a standard O-ring. That is the way to do it though.

https://www.google.com/search?q=1999+polaris+sportsman+500+fuel+tank+gasket

https://www.google.com/search?q=1999+polaris+sportsman+500+fuel+tank+leaking+from+bottom

..

Page 85 of the Owner Manual for Fuses. It also says it has a circuit breaker, but doesn't say where?

https://cdn.polarisindustries.com/polaris/common/parts-manuals/9923420r01_lo_res.pdf

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Sportsman 400 H.O. Sportsman 500 H.O.

Polaris https://cdn.polarisindustries.com > parts-manuals PDF Your manual contains instructions for minor maintenance, but information about major repairs is outlined in the POLARIS Service Manual and should be performed ...
137 pages

Question edited for clarity and typos, and guessing it is a 'Polaris' and not a 'polar'.
Question moved to model category.

It is a known issue. You likely need a new switch, they burn the contacts with prolonged use.

https://www.google.com/search?q=1999+Polaris+Sportsman+500.+Why+will+it+not+turn+off

check fuses and connections https://quads.ddns.net/service-manuals/polaris/

Hey Danny, get one of these, it will be invaluable for the future..

Search Results Page 1 of 1 Clymer Manuals Polaris 400 450 and 500...

There is a fuse link at the Positive battery terminal wire. It will blow to protect the circuits if the battery is hooked up backwards.
It is a smaller gauge section in the wire that melts to save systems. any auto parts store has one
MDS

PDF]Sportsman 400 H.O. Sportsman 500 H.O. - Polaris

cdn.polarisindustries.com/polaris/.../parts-manuals/9923420r01_lo_res.p...

... parts and acces- sories, available through our online store at www.purepolaris.com. Have ... 2012 SPORTSMAN 400/500 HO Owner's Manual. P/N 9923420 ...

Polaris Sportsman 500 HO Owner's Manual - ManualsLib

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View and Download Polaris Sportsman 500 HO owner's manual online. PolarisIndustries All-Terrain Vehicles Owner's Manual. Sportsman 500 HO Offroad ...

2011 Sportsman 400/500 Service Manual - Polaris ATV Forum

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I'm attaching a picture that has 2 wiring diagrams side by side. The left side is the 2000 Polaris Sportsman 500 (Early) wiring diagram and the right side is the 2000 Polaris Sportsman 500 (Late). The Late wiring diagram for 2000 is more than likely either the same or extremely close to the 2001. And they may have just carried it over (the late wiring diagram). I've got a lot of hours on ATV's and Polaris especially - they stuck with what worked and didn't reinvent the wheel from one year to the next (usually). This may not be exact - but it should be extremely close. Hope this helps. Good Luck.

All The Best, Justin Lee

having same prob with my preditor 500 any advice