Charging issue. - SV650.org

04-10-12, 05:59 PM

Eventually got round to checking the output from the alternator, I know f*** all about electric, so AC coming out the alternator (3 yellow wires) at idle was 26AC across all three yellow wires, at increases to 48 AC at 3500 rpm across all three yellow wires. I checked the DC coming out of reg/rec and was 0.86 volts, the reg/rec after 10 mins was very hot to the touch. Now I've charged the battery and it held charge, the battery and reg/reg are a month old and were brand new

does this confirm reg/r
ec? Cheers

04-10-12, 07:21 PM

Anyone alive?

Stuuk1 · 04-10-12, 07:35 PM

I don't know.

However, explain what your problem is and why you are all of a sudden testing your rec/reg.

Tell us a story rather than wanting an instant answer...

Good luck.

04-10-12, 07:38 PM

Previous posts explain all

battery receives charge at idle fine apart from that with and without lights its just drains the power from the battery.

Stuuk1 · 04-10-12, 07:59 PM

Would have made more sense to keep it all in one thread for future references.

Good luck with your fault...! Hopefully someone will answer shortly

05-10-12, 06:19 AM

Sv650 99 curvy :-

Sid Squid · 05-10-12, 07:01 AM

From the results you have it sounds as if the alternator is OK, but to be certain check the AC output again at 5000 rpm, you should get 70 VAC on all three phases, and whatever the exact result all three should be substantially the same +/- a few volts, but no more. If that checks out OK check all the wiring carefully for continuity and insulation, but from what you say the regulator is suspect.

Geodude · 05-10-12, 08:01 AM

Do exactly as Sid has told you (1st rule of sv club, always listen to Sid

) and if you get the 70 vac and you still have hastle have a look through my old thread http://forums.sv650.org/showthread.php?t=164281 just incase its of any use. HTH

xGx

05-10-12, 08:24 AM

Quote:

Originally Posted by JonGeorge

Eventually got round to checking the output from the alternator, I know f*** all about electric, so AC coming out the alternator (3 yellow wires) at idle was 26AC across all three yellow wires, at increases to 48 AC at 3500 rpm across all three yellow wires. I checked the DC coming out of reg/rec and was 0.86 volts, the reg/rec after 10 mins was very hot to the touch. Now I've charged the battery and it held charge, the battery and reg/reg are a month old and were brand new

does this confirm reg/r
ec? Cheers

Did you remember to change your multimeter to read DC??

If you did and your only getting 0.86V DC out of the rec/reg it's duff, should be spitting out around 13,5-14,4V DC

05-10-12, 09:30 AM

Quote:

Originally Posted by speedyandypandy

Did you remember to change your multimeter to read DC??

If you did and your only getting 0.86V DC out of the rec/reg it's duff, should be spitting out around 13,5-14,4V DC

That's kinda the answer I was looking for! Yeah it was on DC

04-10-12, 05:59 PM	#1
JonGeorge Guest Posts: n/a	Charging issue. Eventually got round to checking the output from the alternator, I know f*** all about electric, so AC coming out the alternator (3 yellow wires) at idle was 26AC across all three yellow wires, at increases to 48 AC at 3500 rpm across all three yellow wires. I checked the DC coming out of reg/rec and was 0.86 volts, the reg/rec after 10 mins was very hot to the touch. Now I've charged the battery and it held charge, the battery and reg/reg are a month old and were brand new does this confirm reg/r ec? Cheers

04-10-12, 07:21 PM	#2
JonGeorge Guest Posts: n/a	Re: Charging issue.. Anyone alive?

04-10-12, 07:35 PM	#3
Stuuk1 Member Join Date: May 2009 Location: Tunbridge Wells Posts: 494	I don't know. However, explain what your problem is and why you are all of a sudden testing your rec/reg. Tell us a story rather than wanting an instant answer... Good luck. __________________ RIP Reeder 20/07/1988 - 21/03/2012

04-10-12, 07:38 PM	#4
JonGeorge Guest Posts: n/a	Re: Charging issue.. Previous posts explain all battery receives charge at idle fine apart from that with and without lights its just drains the power from the battery.

04-10-12, 07:59 PM	#5
Stuuk1 Member Join Date: May 2009 Location: Tunbridge Wells Posts: 494	Would have made more sense to keep it all in one thread for future references. Good luck with your fault...! Hopefully someone will answer shortly __________________ RIP Reeder 20/07/1988 - 21/03/2012

05-10-12, 06:19 AM	#6
JonGeorge Guest Posts: n/a	Re: Charging issue. Sv650 99 curvy :-

05-10-12, 07:01 AM	#7
Sid Squid No, I don't lend tools. Mega Poster Join Date: Jul 2003 Location: Skunk Works, Nth London Posts: 8,680	Re: Charging issue. From the results you have it sounds as if the alternator is OK, but to be certain check the AC output again at 5000 rpm, you should get 70 VAC on all three phases, and whatever the exact result all three should be substantially the same +/- a few volts, but no more. If that checks out OK check all the wiring carefully for continuity and insulation, but from what you say the regulator is suspect. __________________ If an SV650 has a flat tyre in the forest and no-one is there to blow it up, how long will it be 'til someone posts that the reg/rec is duff and the world will end unless a CBR unit is fitted? A little bit of knowledge = a dangerous thing. "a deathless anthem of nuclear-strength romantic angst"

05-10-12, 08:01 AM	#8
Geodude Member Mega Poster Join Date: Jun 2009 Location: Durham Posts: 2,669	Re: Charging issue. Do exactly as Sid has told you (1st rule of sv club, always listen to Sid ) and if you get the 70 vac and you still have hastle have a look through my old thread http://forums.sv650.org/showthread.php?t=164281 just incase its of any use. HTH xGx __________________ Black naked 1999 sv650 which im trying to keep happy Custom paintwork *Saragon Customs* Spray painting *Electrical fault finding guide* and *Regulator rectifier test* Only a biker knows why a dog sticks his head out of a car window.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
2008 sv650 clutch issue & abs issue	my_galaxy	Bikes - Talk & Issues	4	29-06-11 12:03 PM
Charging issue.	kellyjo	SV Talk, Tuning & Tweaking	7	08-03-10 03:02 PM
its that charging issue again :)	AndyBrad	SV Talk, Tuning & Tweaking	22	12-10-09 03:24 PM
Charging - AGAIN	Tris	SV Talk, Tuning & Tweaking	7	15-04-08 04:15 PM
Over charging	Tris	SV Talk, Tuning & Tweaking	8	21-02-06 12:13 PM