charging problem?


Information and questions on GL1000 Goldwings (1975-1979)
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davebonaked51
Posts: 34
Joined: Sun Jun 26, 2011 3:44 pm
Location: washington
Motorcycle: honda goldwing 1977 gl1000

charging problem?

Postby davebonaked51 » Sun Jun 26, 2011 3:55 pm



Ok, i just bought this 1977 gl1000 , when i put the voltmeter on the battery before starting it says 12 volts. then i start the bike and it says 12volts. when i rev it up it does not go up or down , stays at 12 volts. do these bike charge while going down the road and the rpms higher? or do i have a charging problem? i also , had a 1982 cb750 with a charging problem , but once you started the bike volts would drop to 11 or 10. this bike does not move. i know am a rookie. need help though.



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trike lady
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Motorcycle: 1993 GL1500 Aspencade with Voyager (Sold)
1983 GL650I SilverWing Interstate

Re: charging problem?

Postby trike lady » Sun Jun 26, 2011 4:43 pm

Hello and welcome to the forum.
The usually culprit is the connector with the three yellow wires and over time the connectors get loose and corroded. Most Wing owners will remove the connector and solder and shrink tube the connections to prevent this.
The regulator rectifier may not be working.
As you ride the bike's charging system should be sending a charge back to the battery, it is normally 14.0 to 15.0 VDC and no more as the rest is dissipated.
All this can be tested from alternator output to IB test. You can also test the reg/rec.
When you rev the engine the voltage should increase on the meter.
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davebonaked51
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Re: charging problem?

Postby davebonaked51 » Sun Jun 26, 2011 5:05 pm

just went outside and took a look. on the left side of the battery there is a white plastic connecter with three male prongs and there is three yellow wires hooked to it. it is not pluged into anything. i can not see a female plug connector. were does this connector with three yellow wires connect to?

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trike lady
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1983 GL650I SilverWing Interstate

Re: charging problem?

Postby trike lady » Sun Jun 26, 2011 5:54 pm

The other 3 yellow wires should be coming from the reg/rec.
The other set from the stator.
It's certainly missing the other half with the three yellow wires. The PO may have removed them and tucked them in somewhere.
The bike is running on battery only.
See schematic for alternator.
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WingAdmin
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1982 GL1100A Aspencade (sold)
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Re: charging problem?

Postby WingAdmin » Sun Jun 26, 2011 9:04 pm

If I recall correctly, the three-prong male connector is the one that comes up from the stator. It should plug into the female connector, which goes up and connects to the regulator, which is underneath the false tank.

davebonaked51
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Re: charging problem?

Postby davebonaked51 » Mon Jun 27, 2011 4:35 am

my pic of wires
my pic of wires

davebonaked51
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Re: charging problem?

Postby davebonaked51 » Mon Jun 27, 2011 4:37 am


davebonaked51
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Re: charging problem?

Postby davebonaked51 » Mon Jun 27, 2011 4:43 am


davebonaked51
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Location: washington
Motorcycle: honda goldwing 1977 gl1000

Re: charging problem?

Postby davebonaked51 » Mon Jun 27, 2011 4:46 am

As you see no female connector. can i still wire these straight to the three yellow wires? if so how? what wires go were?

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WingAdmin
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1982 GL1100A Aspencade (sold)
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1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: charging problem?

Postby WingAdmin » Mon Jun 27, 2011 11:23 am

davebonaked51 wrote:As you see no female connector. can i still wire these straight to the three yellow wires? if so how? what wires go were?


If you can trace the three yellow wires coming down from the regulator, then just cut off that male connector (it looks like it's overheated and melted a bit already anyway) and connect the regulator's three yellow wires to the stator's three yellow wires - any yellow wire can go to any yellow wire, it doesn't matter which goes to which. That should solve your charging problem.

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trike lady
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1983 GL650I SilverWing Interstate

Re: charging problem?

Postby trike lady » Mon Jun 27, 2011 4:56 pm

WingAdmin,
You're right on that, this is the first I've seen of the photos. It can't send the voltage back if it doesn't have a path.
I also see the red BCL is still there and the green ground from the original harness tucked in the back.
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grandpa
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Motorcycle: 1978 GL1000 Interstate

Re: charging problem?

Postby grandpa » Mon Jun 27, 2011 5:28 pm

Hi. I can'n just follow the wires you are talking about, but when I started to do rewiring on my 78 last winter I could'n find the regulater and rectifire. And I also found some empty connectors. Because, someone had replaced the rectifire and the regulator with a combined one. The 3 yellow from the stator was connected up direct to the combined and tha was placed on the wall to the battery. You may be able to se on my members photo. This is just an idea.
I whish you good luck.

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virgilmobile
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Re: charging problem?

Postby virgilmobile » Mon Jun 27, 2011 7:36 pm

The1000 used a seperate regulator and rectifier modules.If it failed,someone could have changed the wiring to use a newer style 1 piece unit like the 1100.If the ignition is not hooked up to it,it will ñot charge.

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Fred Camper
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Re: charging problem?

Postby Fred Camper » Mon Jun 27, 2011 8:04 pm

If they changes out the regulator and rectifier for a new MOSFET unit then they did you a favor, unless you are not going to ride but want a pure stock bike. The MOSFET provides more charging amps, which is nice. Because those yellow stator wires move a lot of current, the plugs need to be really clean and well connect to no overheat. Anybody that wants to save there plugs, they should clean them up and use dielectric grease when you reassemble. But the three prong plug should just be eliminated, as that is the one most likely to fail.

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grandpa
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Re: charging problem?

Postby grandpa » Tue Jun 28, 2011 9:25 am

Hi virgilmobobile.
I do not quit understand what you meen when you say that if the ignition is not hooked up it will not charge. On mine there is only 5 wires. 3 going to the stator, 1 going to ground and 1 to the battery and it charge wery well. The 3 to the stator I have solded so there is no connection which can be bad. And I have put a small fan from a computer powersupply in front of the unit so as soon the ignition is on I have some cooling on the unit. Those fans are normaly 12Volt.

davebonaked51
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Re: charging problem?

Postby davebonaked51 » Tue Jun 28, 2011 5:28 pm

I am at work right now I can not post a pic yet. Right next to battery box on left side of battery box is something that looks just like a regulator. What is that? Is that suppose to be there? Or did they install a deffrent regulator?

composed
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Re: charging problem?

Postby composed » Thu Aug 04, 2011 10:15 pm

That item next to the battery box is your rectifier. It converts AC voltage to DC voltage. Most vehicles have the regulator and rectifier built together in one component. I have just purchased a MOSFEt REGULATOR/RECTIFIER on eBay and expect it to work well. Time will tell. Near this rectifier you should also see your condensor (capaciter) which has is grounded to your battery box. I have grounded the capacitor to the negaive post on my battery, but many people ground it to the location that the negative cable is grounded to on the frame (at the left motor mount). The reason for grounding the condensor is that it was originally grounded to the battery box, and this electrical connection could be compromised from corrosion caused by the battery. :)



Re: charging problem?
by davebonaked51 » Tue Jun 28, 2011 6:28 pm

I am at work right now I can not post a pic yet. Right next to battery box on left side of battery box is something that looks just like a regulator. What is that? Is that suppose to be there? Or did they install a deffrent regulator?




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