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140 not charging


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#1 newtsmasseys OFFLINE  

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Posted May 11, 2016 - 06:18 AM

good morning, i have 140 h3 with 15 amp alternator, that will not charge.  i checked ac connections at regulator, and have 27.4v a\c at the leads, so the charging coil is producing, but plugged in i got 2.4 volts out of b+ on regulator.  so last year i install new regulator, thinking thats a no-brainer, and i still have the same values. any ideas?

thanks - terry



#2 boyscout862 ONLINE  

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Posted May 11, 2016 - 07:39 AM

Check the Troubleshooting Section of the appropriate engine manual. You can download it for free from our Manuals Section. Good Luck, Rick

#3 crittersf1 OFFLINE  

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Posted May 11, 2016 - 08:07 AM

Regulator have a good ground?



#4 newtsmasseys OFFLINE  

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Posted May 12, 2016 - 05:50 AM

i read about having good ground yesterday, i am going to run test lead from reg case to battery neg post, when i get a chance.

thanks - terry



#5 newtsmasseys OFFLINE  

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Posted May 19, 2016 - 06:09 AM

so i ran a ground from reg. case to battery neg.  no change, checked that there was no continuity to ground from alt. winding leads and output wire from reg. to ground, which came out good.  i guess i need to try another non-returnable $75 regulator.  i got 26 going up to 29 volts ac coming from alt. windings,  kinda frustrating the voltage is being made, but not getting rectified!



#6 KennyP ONLINE  

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Posted May 19, 2016 - 07:05 AM

Got any pics of this? May not be the correct regulator. And there are much cheaper ones out there. I think it should be similar to this.



#7 newtsmasseys OFFLINE  

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Posted May 19, 2016 - 12:00 PM

yup, that's the one I got,  from stens, which is 54$, but I was cursed enough to be born in Canada so I get to pay 54 x 1.34


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#8 JD318420 ONLINE  

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Posted May 19, 2016 - 01:33 PM

Something took out the rectifier/VR check / make sure the output is fused for proper protection.



#9 newtsmasseys OFFLINE  

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Posted July 04, 2016 - 06:03 AM

just an fyi on this topic, it seems obvious now, I took the plug of the ignition switch, the terminals were badly corroded, and the female ends inside the plug were corroded and or half broke off.  new key switch, new switch plug pigtail soldered in, and first new v\r back on and it charge between 8 to 10 amps on the gauge!  glad I didn't burn out the new regulator like I thought I did.  so I guess the moral of the story is never overlook the basics!

thanks for everyones input on this! - terry


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