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replaced my stator, still not charging.

  • Thread starter Thread starter maddman
  • Start date Start date
M

maddman

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Okay, my stator tested bad. No ohms between three yellow wires. I replaced it and gasket today. Still not charging. Took a look at the regulator plugs, and they are black and slightly melted. Bad rectifier?:confused:
 
Black is from heat. Heat is from resistance. Resistance is caused by corrosion in the connectors. Clean or replace those connectors or the expensive new parts will fail right away.
 
Ordered new rectifier, it will be here Friday. It comes with a plug and connector for harness side as well.
 
My multimeter reads resistance just fine. I use it everyday at work, so don't just assume. It means there was no resistance between the three stator wires. Therefore, stator was bad.
 
Have you checked the stator output, open cct betwen phases at 5000 rpm. Looking for 80 volts ac ideally.
 
Yes. Nothing on the old one. Do not have my meter here. It's at work in my tool box.
 
My multimeter reads resistance just fine. I use it everyday at work, so don't just assume. It means there was no resistance between the three stator wires. Therefore, stator was bad.

No resistance means zero ohms. There should be very close to zero ohms resistance between the legs of the stator.

If you're saying that your stator read zero ohms from leg to leg, and that was your justification for replacing it, you've made a mistake.
 
Besides checking the resistance and AC output voltage between the three output wires did you check each wire to see if they were shorted to ground? More then likely going by your description of melted connectors. All connections must be clean or replaced to insure no resistance which causes heat as mentioned before and cause any of the new components to fail quickly. After insuring all connections are clean I run a ground directly from the R/R to the battery to insure a good path to ground for the R/R.
 
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Not according to the stator papers. Less than .5 ohms=bad stator. And as you can plainly see, its definitely a crispy critter....
 

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Just for the sake of curiosity, is there any way to bypass the r/r with diodes in an emergency? If only for a short time? If so, what size diodes should one keep on hand? After all, all a regulator does in convert Ac to Dc, and tone it down yes? Diode does the same thing.
 
Sure if you want to burn out your electronics with an unregulated supply. It is called a 3 phase full wave rectifier. Look it up on the web.
 
Why not just do it PERMANENTLY?? :-k

Get an SH775 regulator and be done with it. You can get a new one from any one of several Polaris dealers for about $90 or you can get a used one on eBay for about half of that.

Or you can get a brand-new stock replacement unit for about $135 that will burn up your new stator.

Your money, your choice, but the time and effort spent in bypassing the R/R could be put to MUCH better use.

.
 
Just for the sake of curiosity, is there any way to bypass the r/r with diodes in an emergency? If only for a short time? If so, what size diodes should one keep on hand? After all, all a regulator does in convert Ac to Dc, and tone it down yes? Diode does the same thing.

(for the sake of curiousity) old car alternators are a good source of BIG diodes...you can even punch them out and stick them into your own heat sink....that'll be something to do when you are broken down on the prairie and need a rest from that demanding "farmer's daughter" .....
 
okay, replaced my R/R. battery was shot as well, so replaced it. all is good.
 
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