83 Aspencade battery boiling dry


Information and questions on GL1100 Goldwings (1980-1983)
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dummysales
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Motorcycle: 1983 Aspencade 1100

83 Aspencade battery boiling dry

Postby dummysales » Fri Mar 09, 2012 11:16 am



Seems the charging system boils the water out of the battery (new in 2010--6,000 miles that year and found I had to add water when charging for the 2011 season; 2011 another 8,000 miles, some water added during season). This seems to me to be excessive because I have not had any such battery problems with my 70 CB750 that I've had since 1973. I replace the battery in it every 4 or 5 years. Any hints on what to check on the Aspencade 1100?

I'd put another new battery in it, but at $100 I don't want it to boil dry again (water below top of plates).



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virgilmobile
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Re: 83 Aspencade battery boiling dry

Postby virgilmobile » Fri Mar 09, 2012 12:02 pm

The battery may be overcharging.Use a DVM and measure the voltage across the battery terminals.Do not use the engine as a ground.Direct across the battery.Start the bike,give 3 or 4 minutes to stabilize and hold 3000 rpm.Look at the volts.They should NOT be above 14.8 volts.+- 0.015 volt.
I and others have seen 15.6 volts and more.
If it is high,the most common is poor connections feeding the voltage regulator switched ignition wire.It's black.
The voltage is low in reference to the battery, the regulator tries to boost the volts up.
The best and easiest cure is to cut the black wire and use it to operate a relay that feeds battery power to the regulator.
The verification test...Use the DVM,measure the voltage under running conditions between the battery positive post and the black wire going into the regulator.It should be no more than 0.8 volts dc.The last guy that had that problem measured 1.85 volts.It was caused by corroded wire contacts and "fixed" by bypassing the circuit.

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dummysales
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Motorcycle: 1983 Aspencade 1100

Re: 83 Aspencade battery boiling dry

Postby dummysales » Fri Mar 09, 2012 1:17 pm

Cool. Thanks. Gotta try that. Now if it would only warm up!

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WA9FWT
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1975 Cb750K sold

Re: 83 Aspencade battery boiling dry

Postby WA9FWT » Fri Mar 09, 2012 3:22 pm

dummysales wrote:Cool. Thanks. Gotta try that. Now if it would only warm up!

While you are checking all, make sure the ground wire off the battery is really grounded well too.
Seems like a lot of fellows always check the plus side and don't even think to check the ground side.

WA9FWT Phil

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dummysales
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Re: 83 Aspencade battery boiling dry

Postby dummysales » Fri Mar 09, 2012 3:55 pm

I will absolutely do that.

pedrocorreia27
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Location: portugal
Motorcycle: honda goldwing gl 1000

Re: 83 Aspencade battery boiling dry

Postby pedrocorreia27 » Sat Mar 10, 2012 3:44 am

hi!!!
had same problem like you!!!
to much corrent and evaporeted water from batery!!
aternator send more then 16volts and recticacdor let corrent pass!!
this is reason of my problem!!
put new one now is good!!
sorry mate about my inglish am portuguese!!regards pedro

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dummysales
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Re: 83 Aspencade battery boiling dry

Postby dummysales » Sat Mar 10, 2012 6:35 am

Thank you, Pedro! If we have to talk about language, I am totally ignorant of Portugese! You're doing fine. Appreciate your reply. Shiny side up!

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virgilmobile
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Re: 83 Aspencade battery boiling dry

Postby virgilmobile » Sat Mar 10, 2012 12:25 pm

Sometime I get a little ahead of myself.Obviously if the volts are real high(16 volts) the regulator may just be bad,but do test the ignition lead before condeming it.If you want a easy test,use the DVM on the battery,watch the volts,attach a wire to the positive post and stick the other end in the black wire on the regulator plug. This bypasses a whole bunch of wiring and switches.if the voltage drops to normal, use a relay, if the volts stay too high,clean all the contacts or replace the regulator.

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virgilmobile
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Re: 83 Aspencade battery boiling dry

Postby virgilmobile » Sat Mar 10, 2012 1:23 pm

Here's a schematic for a show and tell.

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dummysales
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Re: 83 Aspencade battery boiling dry

Postby dummysales » Sat Mar 10, 2012 2:50 pm

Thanks again. By the time I get out to the shed, I'll be a wizard! But not a guru! that'd be you.

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dummysales
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Re: 83 Aspencade battery boiling dry

Postby dummysales » Thu Mar 22, 2012 6:36 pm

Virgilmobile,
The cross battery reading is right at 14.85 to 14.95 on this 83 Aspencade. I presume that it is marginally high, but it's not at 16 or 18. I now realize that the voltage regulator is under the fake tank, but neither the owners manual (small in saddle bag) nor the service manual has shown me how to remove said tank. Any hints?

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virgilmobile
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83 GL1100 standard
84 GL 1200 I

Re: 83 Aspencade battery boiling dry

Postby virgilmobile » Thu Mar 22, 2012 6:52 pm

Is that voltage at a idle or at 3500 rpm?it is on the high side.you may have some bad connections on the regulator.just lift out the tool box on top of the air cleaner.the regulator is acessable right there on the left side.also to help check it,attach a wire to the battery positive post and hook it to the black wire going into the regulator.it's switched ignition.see if that will help reduce the output volts a little.The black wire is the regulators reference volts and corrosion will fool the regulator into putting out a little more than it should.I'm on the road so if you have questions on how to do this, I will be avaiable tomorrow am

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dummysales
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Re: 83 Aspencade battery boiling dry

Postby dummysales » Thu Mar 22, 2012 7:11 pm

It's at 3000 rpms. I'll check it out over the weekend and get back to you. tks

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virgilmobile
Posts: 7663
Joined: Sun Sep 19, 2010 5:39 pm
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78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: 83 Aspencade battery boiling dry

Postby virgilmobile » Thu Mar 22, 2012 8:21 pm

You can use a dvm.Attach one lead to the positive post and the other to the black lead on the regulator.While running at 3000 rpm,the voltage should be less than 0.5 volts.Anything over that indicates excessive voltage drop and the regulator will try to make it up by boosting the output volts up.
My 83 had 15.2 volts on the battery and found with the dvm I had a voltage drop of 1.7 volts to the regulator.I used a relay switched circuit to compensate.




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