Rectifier/Regulator?? - ATV Enthusiast Community

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Old 12-09-2002, 06:07 PM
Weekend Warrior
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Join Date: Dec 2002
Posts: 2
Default Rectifier/Regulator??

Hello All,

I'm looking for some help and some answers from people that undoubtedly know more about 4 wheelers than I do. The other day I went out to start my 2001 Polaris Xplorer 400 4X4. It hadn't been started for a month or so. The battery was dead and I had to pull start it. I rode for about 5 minutes than shut it off. The next day I took the battery to get it tested and it was bad. I bought a brand new Diehard from Sears and charged it up overnight and installed it the next day. Started very quickly and I rode it long enough to plow my driveway. The next day I went out and it wouldn't start again. The green neutral light comes on as does the tail/brake light, but when I push up the button to start it it just goes click... and doesn't turn over. I called Polaris and they said $50 to diagnose the problem then parts and labor to fix it. I asked what possible problems might be and he immediately said the voltage regulator. I asked him how much that was and he said "Well it might not be that we'd have to look at it. It might also be a loose wire." I looked through a parts manual that I bought for my wheeler and I think the regulator is also called a rectifier?? I tried looking up a price on the net to get an idea but didn't really find what I was looking for. I replaced the fan already and I believe the rectifier is the little black box attached to the grill. If it is I could easily install it myself. What I needed to know was 1.) Is the voltage regulator and the rectifier the same thing? 2.) Is the little black box attached to the fan the rectifier/regulator? 3.) Is there a way to test it to see if that's it? I don't have the cash right now to take it to Polaris (just bought a house and paid out $6000 for closing and prepays) but I have to have my wheeler because that is what I plow with. Thank you for any help or advice you can give me.
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Old 12-09-2002, 06:27 PM
Pro Rider
Join Date: Jul 1999
Posts: 715
Default Rectifier/Regulator??

I'd sugegst calling or e-mailing Ricky Stator. He's the pro when it coms to stuff like this!

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Old 12-09-2002, 06:30 PM
Join Date: Jan 2002
Posts: 86
Default Rectifier/Regulator??

The rectifier/regulator is the black box in front of your radiator.
Read the post Oh no, my first problem!
If you have a voltmeter, you can troubleshoot the electrical system yourself. It is actually quite easy. There is also an excellent troubleshooting guide for motorcycle type electrical charging systems at ElectrexUSA's website.

Good Luck.
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Old 12-09-2002, 09:21 PM
ftwflh's Avatar
Quad Patrol
Don't let the hp numbers fool you. Its all in how you get it to the ground. Clutching clutching clutching!
Join Date: Apr 2000
Posts: 6,688
Default Rectifier/Regulator??

OK first get you a multi meter and set it for 20v dc and check your battry.It should have 12+ volts.If so unhook your cables and clean all the wire ends. Now start it up and put the meter on the battry and it should show 13 - 14 volts.If not then change the regulator.hope this helps .BTW it would be a good investment to get a manual for this thing.
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Old 12-10-2002, 03:32 AM
Weekend Warrior
Thread Starter
Join Date: Dec 2002
Posts: 2
Default Rectifier/Regulator??

Thank you for the help and the quick replies. I will try out the info you gave me tomorrow. If it works I'll post back and let you know. Thanx again.
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2001 , 2003 , 400 , 4x4 , atv , electric , install , polaris , pull , rectification , rectifier , regulator , start , testing , wires , xplorer

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