Battery drain


Information and questions on GL1100 Goldwings (1980-1983)
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WA9FWT
Posts: 828
Joined: Thu Oct 22, 2009 12:19 pm
Location: sheboygan WI U.S. A.
Motorcycle: 1982 GL1100A Aspencade Now a Trike
1975 Cb750K sold

Battery drain

Postby WA9FWT » Fri Jul 30, 2010 8:05 pm



I am working on a 1982 Aspencade that when it sits 4 days the battery is dead. Normanlly a tender is hooked up and no problems starting.I put a light meter in line on both the positive & native sides and this is whats is strange,the light pulsates on and off.Other words it is drawing a small amount of currant. Can a radio draw currant like this.Yes, the key switch is turned off.

I suppose I could start removing fuse's, to isolate whats drawing the juice ? any other suggestions ?

WA9FWT Phil



goldtr6c
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Motorcycle: 1985 GL1200 LTD
1982 GL1100 STD
1976 GL1000 "800lb Canary"

Re: Battery drain

Postby goldtr6c » Fri Jul 30, 2010 10:41 pm

Here's a cheap easy trick to test the system. Make sure all switches and accessories are off. Disconnect the ground cable on the battery. Connect a 12v test light between the cable and the battery's ground lug. If the light comes on, that means something is completing a circuit somewhere. Now systematicly pull and REPLACE the fuses one at a time. If the light goes out, check the fuction of the fuse and this will give an idea what circuit the problem is on.

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WA9FWT
Posts: 828
Joined: Thu Oct 22, 2009 12:19 pm
Location: sheboygan WI U.S. A.
Motorcycle: 1982 GL1100A Aspencade Now a Trike
1975 Cb750K sold

Re: Battery drain

Postby WA9FWT » Fri Jul 30, 2010 11:03 pm

goldtr6c wrote:Here's a cheap easy trick to test the system. Make sure all switches and accessories are off. Disconnect the ground cable on the battery. Connect a 12v test light between the cable and the battery's ground lug. If the light comes on, that means something is completing a circuit somewhere. Now systematicly pull and REPLACE the fuses one at a time. If the light goes out, check the fuction of the fuse and this will give an idea what circuit the problem is on.


Well, I guess I'm on the right track then.Whats strange is the test light goes off and on like a relay thats in the circuit some place.Thanks for the info....
WA9FWT Phil

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mortiki
Posts: 56
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Location: warren, ar
Motorcycle: 1983 gl1100(Bella)
1983 gl1100A(Acadia)
1983 gl1100(Trixie)
1981 gl500(Silver)
1980 GN 400(scat)
1979 cx500(Streak)
2004 CMX 250 Rebel(SOLD)
2008 roketa Bali 150(SOLD)

Re: Battery drain

Postby mortiki » Sat Jul 31, 2010 4:56 pm

Is the on and off rhythmic?
There is never enough time to do it right but there is always time to do it over.
Edmond Burke "The only thing necessary for the advancement of evil is for good men to do nothing".

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WA9FWT
Posts: 828
Joined: Thu Oct 22, 2009 12:19 pm
Location: sheboygan WI U.S. A.
Motorcycle: 1982 GL1100A Aspencade Now a Trike
1975 Cb750K sold

Re: Battery drain

Postby WA9FWT » Sun Aug 01, 2010 1:48 pm

mortiki wrote:Is the on and off rhythmic?

Yes, it is rhythmic!! Here is whats also strange! I check with two different inexpensive light meters, and they both had the lights pulsate on and off.
Then I got a heavy duty inline meter which has a longer cord,and this light lit up, but No on and off flashing.
I still wanted to disconnect the radio and have not found the 10amp fuse for that.Radio book says 10amp....I didn't look that hard for it. I removed the left hand pocket and found three fuse's in there on this bike, what ever there used for ?

Bike has sat now 48 hours, and it did start. Main objective is it can go out of town,and be able to start the next day.
Still going to do some more checking on the ground system...
WA9FWT Phil

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mortiki
Posts: 56
Joined: Sun Jun 13, 2010 7:54 pm
Location: warren, ar
Motorcycle: 1983 gl1100(Bella)
1983 gl1100A(Acadia)
1983 gl1100(Trixie)
1981 gl500(Silver)
1980 GN 400(scat)
1979 cx500(Streak)
2004 CMX 250 Rebel(SOLD)
2008 roketa Bali 150(SOLD)

Re: Battery drain

Postby mortiki » Sun Aug 01, 2010 2:27 pm

I do not know of anything on a radio system that pulses regularly but the flasher unit shorted to ground could or it could simply be a bare spot of hot wire close to or touching a ground point until it heats up and moves away. But if that was the case riding would change it as bumps moved the loose wire. The 3 fuses inside left cover should be right behind the blinker light assembly. They are axillary fuses.

The longer heavier wire could neutralize the flashers pulsing, like putting LED lights in the blinkers. Heavier wires and longer runs add impedance and resistance to the circuit. Fuse isolation could help troubleshoot. If the blinker fuse stops it then pull ALL blinker bulbs and DC dash bulbs and see if that stops it with fuse back in.
There is never enough time to do it right but there is always time to do it over.
Edmond Burke "The only thing necessary for the advancement of evil is for good men to do nothing".

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littlebeaver
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Re: Battery drain

Postby littlebeaver » Mon Sep 20, 2010 8:18 am

Hey, did you ever figure out your problem, if so what was it?

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whiteeaglepwl
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Re: Battery drain

Postby whiteeaglepwl » Tue Sep 21, 2010 4:10 pm

Hey I had the same problem and came to find out it was my cigerett lighter check it out if u havent allready good luck hope u get it right




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