850 XP Help (EPS) - Polaris ATV Forum
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post #1 of 6 (permalink) Old 04-08-2012, 06:27 AM Thread Starter
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850 XP Help (EPS)

I am having some issues with my eps and wondered if anyone could help. I bought the atv used 2 months ago. The eps light came on about a week after I got it. The light was on for a little bit and went off. Yesterday it came back(4 weeks after it came on the last time) on right when I started the atv up. The battery light came on too. After about five minutes it went out and stayed out the remainder of the ride. I started reading some info on here and some people had issues with the battery and relays. When I was checking the battery I saw a relay that was wired right before the fuse box that looked rusty. When I unplugged it one of the prongs was almost rusted off. Is this the relay for the eps? Also, what is the white clip half way down on the plug for the relay? And lastly, is there any advantage/disadvantage to getting the relay at an auto parts store vs. a polaris shop? Thanks for your help.
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post #2 of 6 (permalink) Old 04-10-2012, 04:25 AM Thread Starter
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Update

I got a new relay and I am going to put it in tonight. I will let everyone know how I make out.
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post #3 of 6 (permalink) Old 05-30-2012, 07:47 AM
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What was the result of the relay? did you get it at a parts store? Did it fix your problems?

Preston

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post #4 of 6 (permalink) Old 05-30-2012, 05:32 PM
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get a multi meter and start checking voltage.

Start at the battery and go from there.

14v+ at idle.

12.5v or better with no load and machine off.

The EPS is the 1st thing the ecu shuts down when voltage drops.

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post #5 of 6 (permalink) Old 05-30-2012, 05:36 PM
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did the new relay fix your issues?
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post #6 of 6 (permalink) Old 05-30-2012, 05:40 PM
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Also if the light is coming on then it should throw a code. Dont turn it off and toggle thow your trip meters and stuff and the code will come up there and look like this.

Take a look at your owners manual and it will tell you what the nubers mean. More then likely you have a bad battier or something like that and its shutting your eps down. GL and keep up posted

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