2203348 ECM Controller Module Compatible with 2004-2006 Polaris Scrambler 500, Sportsman 500 6X6, 2004-2005 Sportsman 400, 2006 Sportsman 450, 2005 Sportsman 500 6X6 MV

Worked perfect took care of the no spark and no power problem

Won't run fan when motor is hot

The 2203348 ECM Controller Module is a dependable replacement for several Polaris ATV models, including Scrambler 500 (2004–2006), Sportsman 500 6x6, Sportsman 500 HO, Sportsman 400 (2004–2005), Sportsman 450 (2006), and Sportsman 500 6x6 MV (2005). Installation was straightforward, and the module fit perfectly with factory connectors, making the process hassle-free. Once installed, the ATV started and ran smoothly, with improved engine performance and consistent operation. The build quality feels durable and reliable, suitable for off-road conditions. Overall, this ECM controller is easy to install, well-made, and restores proper engine function, making it a great replacement option for Polaris ATV owners.

This does not fit 2006 sportsman 500 H.O.

I replaced my failed factory ECM controller module with this replacement on my 2005 Polaris Sportsman 500. The original unit failed, causing intermittent starting and charging issues before finally failing completely. This controller matched the factory connectors and bolt holes and was installed directly onto the current wiring harness with no changes to the wiring. Once installed, my ATV started right up and has operated normally ever since, with no warning lights or electrical issues. The replacement module is a solidly built unit; its case feels well-made, and the connectors are secure. So far, it has been a good replacement for my Sportsman 500, and I am happy with the way it has restored normal operation to my ATV.

work properly wont run the fan when motor get hot