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charging system irregularity
About 2 months back I added a venco voltmeter to my 1984 interstate and rewired the system with a relay according to the suggested way to allow the regulator to sense the battery voltage correctly. after the rework the voltmeter showed 14.1 almost all of the time except with the brake applied it would drop down to about 13.3 to 13.5. with key on the voltmeter was about 11.9 to 12.4. Sounded pretty good to me according to the recommendations. The battery was new last year. The bike sat for about a week and a half while I was away and when I came back to riding the wing it now shows anywhere from 16.5 to 17.5 which has me confused. Nothing changed on the bike to make the difference. Is the regulator going a little wonky??? I checked all of the connections briefly last night but will give everything a more thorough going over this evening. As always any advice is gratefully acknowledged to keep this classic behaving properly. Cheers.
Jim Penner
Walkerton, Ontario
84 Interstate
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#1 08-27-2009, 01:00 PM,
To me it looks normal your bike has been sitting for awhile so the basttery needs charging ... ride it for awhile and it should charge and go back to normal ...
You could also check the battery acid level, make sure its UP ..
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#2 08-27-2009, 01:23 PM,
It should not charge that high at any time. That high of a charge will boil the battery. The regulator should keep it below 15. Could be a bad ground or the regulator could be acting up. Poorboy
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#3 08-27-2009, 01:33 PM,
Poorboy is right.
If it's charging that high it's either the regulator or a wiring problem.
I had to change out my regulator last year for exactly the same problem.

Ken
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#4 08-27-2009, 01:45 PM,
Jim Penner Wrote:rewired the system with a relay according to the suggested way to allow the regulator to sense the battery voltage correctly. after the rework the voltmeter showed 14.1 almost all of the time except with the brake applied it would drop down to about 13.3 to 13.5. with key on the voltmeter was about 11.9 to 12.4. Sounded pretty good to me according to the recommendations.

Double check the actual battery voltage with a voltmeter at the battery to make sure you don't have a gauge malfunction.
Check for voltage supplied to the regulator on the black wire. If you have more than 14.5 volts supplied, then the regulator is faulty.
If you don't have voltage on the black wire, you'll need to back track the system to find out why.
15.0 volts is too high. 17.5 is off the map!
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#5 08-27-2009, 02:47 PM,
Ditto on bovers...
Ed Zogg
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#6 08-28-2009, 09:11 AM,
Well this morning I had a chance to check all of the connections and everything was good. Battery acid level was proper. Battery volts when off were 11.9 to 12.1. A separate meter hooked up to the black wire read almost identical to the venco voltmeter.
When I start the bike and let idle ( when warm) the meters read around 13.7 to 14.1 but then they gradually creep up to around 15.5 to 16 while just idling. Reving the engine puts it up around 17.
Earlier this morning I went for a short ride to Hanover and it almost seemed to appear normal around 14 but later I noticed it back up around 16 to 17. Perhaps something is happening when it warms up. The regulator appears warm to the touch. The ground connections were loosened and tightened again on that but no difference. Still looking for answers.
Thanks in advance for all the help.
Jim Penner
Walkerton, Ontario
84 Interstate
Reply
#7 08-28-2009, 10:15 AM,
That's exactly what mine was doing.
The fix was a new/used regulator.

Ken
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#8 08-28-2009, 10:44 AM,
It appears that fellow wingers recommend the OEM rectifier which lists at $171 on Honda online. Perhaps after the weekend I will double check the readings again and then make a decision. My stator is hard wired and I don't want to cook another battery.

Cheers
Jim Penner
Walkerton, Ontario
84 Interstate
Reply
#9 08-28-2009, 11:18 AM,
Jim, I am having the oppisite problem with my regulator, after about 140 miles it gets hot enough and drops voltage to 12.1, I kicked it around and decided rather than $107.00 (Dennis Kirk) to go ahead and do the poorboy conversion, I cant see putting that much money into something that still at best is going to be weak ,and still have to worry everytime my wife and I head out any distance that the stator is next. I have already contacted Don and he is shipping me the kit so I can get started. Might want to consider the poorboy while your considering.
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#10 08-28-2009, 12:04 PM,
just got done a 3000+ mile checkout run on my poorboy installation w/o a glitch

go for it you will be glad u did the next time u want to turn on your driving or foglights w/o worry
1987 Aspencade 129K
1986 SEI 93K
2014 Tri-Glide HD 17K

Hancock,MD
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#11 08-28-2009, 01:18 PM,
Jim Penner Wrote:It appears that fellow wingers recommend the OEM rectifier which lists at $171 on Honda online. Perhaps after the weekend I will double check the readings again and then make a decision. My stator is hard wired and I don't want to cook another battery.

Cheers


Check these people out: <!-- m --><a class="postlink" href="http://www.regulatorrectifier.com/catalog/">http://www.regulatorrectifier.com/catalog/</a><!-- m -->

From what I've heard they carry the OEM (Shindigen) regulator at a much better price! Couldn't hurt to call them and ask!!
1985 Limited Edition
Reply
#12 08-28-2009, 11:06 PM,
Just had a thought... I'd check the regulators path to ground... I'd remove it from the bike and clean the contact area (where bolts go) and insure the bracket it mounts to also has ground clean ground to the frame... Also verify the connection at the solinoid is good (red wires in the plug)...
Ed Zogg
Reply
#13 08-29-2009, 08:50 AM,
One of the things I did to check the system out was to remove and replace the bolts holding the regulator in place. I did not remove the regulator and clean the contact areas. I also did not check the red wire at the plug at the solinoid. I will do that when I am back home on Monday.

The previous owner of the motor I have now ( I am on my 3rd motor)did have a poor kit on the bike. The timing belt covers still have the hole in them. So I could get by this fall with the way it is now and perhaps this winter do a poorboy conversion. I like the idea of an easier to replace alternator if you are hundreds of miles from home. And less expensive as well. And I see there is a multitude of information here on this site to do the conversion.

There is a bike salvage yard in Kitchener that I could see if he has a used cheepo regulator to try for now. I would not spend a lot of money if they had one.

A few more checks of the system on monday before I do anything.

Thanks fellow wingers. A lot of great advice out there.
Jim Penner
Walkerton, Ontario
84 Interstate
Reply
#14 08-29-2009, 04:38 PM,
Jim, put a regulator on it. There is no reason for the voltage to change that dramatically, other than an internal malfunction of the regulator. Most likely an open after it gets hot that doesn't allow the regulator to see system voltage. The voltage supplied to the regulator isn't going to mysteriously appear and disappear. The two large green wires on the regulator provide the ground. It could hang in the wind and function correctly. Throw a regulator at it.
Reply
#15 08-29-2009, 05:00 PM,


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