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700 XP Battery charging issue

This is a discussion on 700 XP Battery charging issue within the General Discussion forums, part of the Polaris Ranger Forum category; I have a 2006 700 XP with battery recharging issues. When testing the battery disconnected it shows 12.8 volts. When tesing with the cables connected ...

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Old 05-27-2008, 01:23 PM   #1
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700 XP Battery charging issue

I have a 2006 700 XP with battery recharging issues. When testing the battery disconnected it shows 12.8 volts. When tesing with the cables connected and the engine running it reads only 12.1 volts. That tells me that the charging syestem is not working. I have burned through 2 batteries. Are there fuses that could have blown? Where should I start the diagnosics?
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Old 05-27-2008, 08:37 PM   #2
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Re: 700 XP Battery charging issue

I'm not 100% on this but I do think the engine has to be at an RPM a little higher then idle to show much difference in the voltage at charge.

Someone instructed me a while back but I'm not sure if this is correct. To check the charge rate I believe the meter needs to be in line with the positive terminal and not just connected to both + & - at the battery.

Others here will know better how to check it but if memory serves me right (often doesn't) I had to check to see if a battery charger was putting a charge into a battery and connected both the meter leads, positive to the charger battery clip and negative to the positive side of the battery then turn on the charger. Negative from the charger went direct to neg on the battery. This way the meter was in line and gave an accurate reading.

Not sure how you could do that on the machine or if it is even adviseable but I don't believe you get an accurate reading while the battery is connected and you place the meter leads to + & -.

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Old 05-27-2008, 09:03 PM   #3
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Re: 700 XP Battery charging issue

Quote:
Originally Posted by az
I have a 2006 700 XP with battery recharging issues. When testing the battery disconnected it shows 12.8 volts. When tesing with the cables connected and the engine running it reads only 12.1 volts. That tells me that the charging syestem is not working. I have burned through 2 batteries. Are there fuses that could have blown? Where should I start the diagnosics?
With the engine off & all electrical equipment off, disconnect the positive lead from the battery & connect an ampmeter in series. Red lead of the meter to the battery, black lead of the meter to the battery positive cable. The amount of current you read should be a very negligable amount since the only item that should be drawing any current would be the clock. A good indication of an electrical short that would be draining your battery is a reading of .10 ampere or more. Another way to determine if you have an electrical short would be disconnecting the positive battery cable from the battery. Then touch the positive battery cable to the battery. If the sparks fly you have a short.

If you have any electrical equipment not working then you could have a burnt fuse. A burnt fuse will not drain the battery. I agree w/ Grazor the engine has to be running above idle to charge the battery.

Your alternator may not be charging. You should be ableto take the alternator to any parts store to have then test it for you.
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Old 05-28-2008, 01:13 PM   #4
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Re: 700 XP Battery charging issue

Thanks for the responses.

To be more specific, the battery only loses a charge while driving. Once the voltage drops to a certain level, the Ranger stops running. My guess is there is not enough juice to power the EFI system, ect.

I know it has a stator / magnetto type charging system. Is there a way to test it?

Also, there has to be fuses on this thing. Where are they?

Thanks in advanced for any help.
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