Battery acts Dead


Information and questions on GL1200 Goldwings (1984-1987)
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Lucky713
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Location: DeWitt, Mi
Motorcycle: 1986 GL1200 Aspencade SEI

Battery acts Dead

Postby Lucky713 » Sat Mar 12, 2011 6:14 pm



I have a 1986 GL1200 SEI. I just put a new regulator in last night. The bike fired right up. After putting all the farings back on, I took it for a test ride. Everything ran good, but my voltage was only showing 10.3. When I got back to my house, after only riding for 5 minutes max, I turned the bike off. Went to start it back up again after hooking up some light wires that I missed, and the battery acted like it was dead. I had put a full charge on the battery before putting the new regulator in. Took the battery to a local Bike shop to have them test it. They said the battery tested good. So now I need to figure out why it's acting like it's dead after only running the bike for maybe 15 minutes total last night. Does anyone have any ideas where I should start, and what I should look for.



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WingAdmin
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Re: Battery acts Dead

Postby WingAdmin » Sat Mar 12, 2011 8:16 pm

Most likely the problem is the new regulator - or a connector or something in between. It sounds like it's not charging - so the bike is actually running off the battery, and it's not getting charged up. Eventually the bike will just die altogether when the battery can no longer power it. Give it another check and make sure you're getting power to and out of the new regulator.

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artgrantz
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Re: Battery acts Dead

Postby artgrantz » Sat Mar 12, 2011 8:54 pm

Check the voltage with the engine running at about 2500 rpm. You should have about 13.5 to 14 volts on the battery. If you don't get that something is wrong with the charging system. Possibly the regulator you installed is defective.
Why did you change the regulator? How did you determine it was bad?

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Lucky713
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Re: Battery acts Dead

Postby Lucky713 » Sun Mar 13, 2011 11:23 am

I changed the regulator because the connection was burned through where one of the wires connected in. The other problem was the fact that I took a 1-1/2 hour trip last fall. Bike ran fine the whole time down. turned it off at a Subway. went back out and it wouldnt start. Had to pop the clutch to get it started again so I could get to my final destination. Talked to a friend who has a Goldwing, He told me to start with the regulator, but it might be my stator. Because of the burned connector, I figured it was a good place to start. I bought one last fall, and it was bad. I could turn on the bike without even turning on the key. This one seems to be working fine, but I am not sure how to test it to see if its the regulator or the Stator. I'm starting to think my stator is bad, and is not recharging the system, which is causing the continuous draw on the battery. wingadmin gave me some suggetions for testing the regulator, so I will try those first. But how do I test to see if its the stator. don't want to keep on replacing regulators, just to find out it was the stator the whole time. Looking for suggestions on how to test so I can determine what the true problem is. I thought the battery was bad, but had it tested yesterday, and the bike shop said it is good. So I have eliminated that.

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artgrantz
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Re: Battery acts Dead

Postby artgrantz » Sun Mar 13, 2011 3:48 pm

I gave away my GL1200 manual when I sold that bike so I can't look up the test procedure for the alternator.. However if you go to the 1200 Forum and look at the post that is about 8 posts below yours, entitled Three Yellow Wires, it gives a good description of how to tell if it's the alternator or the regulator.
Art

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Lucky713
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Re: Battery acts Dead

Postby Lucky713 » Sun Mar 13, 2011 6:54 pm

wingadmin

You are the man when it comes to advise. And because of you and all the help you have given me, I would recommend this site to any GoldWing owner. I did go back and check the wires. When I was putting the cover that goes over the gas tank, and has my on board computer in it, I must have disconnected a couple of the wires going to the regulator. I have hooked them back up, and the voltage meter on the bike is reading 14.5 steady. I Have had it running for about 5 minutes now, and the voltage dropped to 14.4. When I give it a little gas and run it up to 2000 RPM, the voltage meter jumps right back up to 14.5.

Update....have had it running for 10 minutes now. voltage did drop to 14.1, but when I ran the RPM's up to 3000, the voltage jumped right back to 14.5. I think this is what I am looking for. If I'm wrong, I'm sure someone will tell me.

Thanks for all your help.

PS new update. Took the bike for a spin for about 10 minutes. voltage meter read 14.5 most of the time, and then jumped to 14.6 on my return trip. So we are Golden

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WingAdmin
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Re: Battery acts Dead

Postby WingAdmin » Sun Mar 13, 2011 8:17 pm

Excellent! I always like when it's a simple fix. Glad to hear you're back on the road...now if we can just quit with the snow here for a couple weeks and get some warm weather, we will be too!

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Lucky713
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Re: Battery acts Dead

Postby Lucky713 » Sun Mar 13, 2011 9:07 pm

WingAdmin

I still can't get the Air pump for the suspension to work. I'm sure that is a loose wire issue also, but I don't know where the air pump is on the bike. Do you know where it is mounted so I can start tracing the wires.

As far as the snow thing, most of the snow is gone here in Michigan. But 36 degress is cold for a ride. I have a full face helmet, My Carrhart coat, and my gloves on. the only thing that was actually cold was my neck. Spring is right around the corner, and we will all be riding soon.

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WingAdmin
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Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: Battery acts Dead

Postby WingAdmin » Mon Mar 14, 2011 10:56 am

I'm not sure where the actual compressor is located in your bike, someone else with a 1200 will have to speak up.

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artgrantz
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Re: Battery acts Dead

Postby artgrantz » Mon Mar 14, 2011 11:01 am

I think the compressor is inside the fairing behind the air control switches.

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Lucky713
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Re: Battery acts Dead

Postby Lucky713 » Mon Mar 14, 2011 8:48 pm

Artgrantz

You were correct. the Air pump is in the faring under the right side glove compartment. It was not working....I moved some of the wires around and checked all the connections. Now it is working fine. didn't find any loose connections, but something most not have been making a good connection. Anyway, between you and wingadmin, my bike is back in full operation. Thanks for you help. Have a good riding season, and be safe.

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artgrantz
Posts: 276
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Location: Manchester, PA
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85 GL1200 I
85 GL1200 I
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Contact:

Re: Battery acts Dead

Postby artgrantz » Mon Mar 14, 2011 9:19 pm

I'm happy I could help. Enjoy your Wing.




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