Charging system on a 1985 1200 Goldwing


Information and questions on GL1200 Goldwings (1984-1987)
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Charging system on a 1985 1200 Goldwing

Postby fireman » Fri Oct 01, 2010 12:50 pm



Hi I have a 1985 1200 Goldwing that seam to be draining the battrey after about a one hour ride I have just started to have this problem after I took out the Radio. All the wires are taped or unpluged from the system and there dose not seame to be a short in the system but the battrey still drops to 11.9 volts after a one hour ride causing the Bike to shut down also the Battery is new only 60 days old . any ideas, or help


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Re: Charging system on a 1985 1200 Goldwing

Postby snowy.vtwin » Fri Oct 01, 2010 3:43 pm

with a new battery, it sounds like your alternator/stator is toast. After you re-charge your battery start the bike and read the volts charging your battery, it should be over 14 volts. If not, do a search for 'Poorboy conversion kit', or get ready to pull your engine. I am assuming your battery will hold voltage on it's own after a charge up.
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Re: Charging system on a 1985 1200 Goldwing

Postby fireman » Sun Oct 03, 2010 4:28 pm

Thank you I did charger the battery and it held at 14.3 on the meter but after staring it and letting run for 1Hr it dropped down and the bike shut off. I will try the search for the kit i dont want to pull the motor out all ready did that on my 850 Honda and that was a Pain . Thank you again
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Re: Charging system on a 1985 1200 Goldwing

Postby snowy.vtwin » Sun Oct 03, 2010 6:17 pm

If your volt meter showed 14.3 on the battery while the bike was running then the alternator/stator would seem to be ok.

If yet the bike died anyway after an hour and the battery was discharged then you have a huge voltage drain somewhere... maybe look at the voltage regulator or hope someone more knowledgeable that I will chime in here. Buy a service manual and check out the electrical troubleshooting section.
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Re: Charging system on a 1985 1200 Goldwing

Postby WingAdmin » Mon Oct 04, 2010 12:26 pm

Your "one hour ride" - is that out on the highway, cruising, or is it in town, with lots of idling and starts and stops?

You might also want to check the ground connection from the battery to the frame, as well as the stator connector - do a search here for "three yellow wires" and you'll find lots on that topic.
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Re: Charging system on a 1985 1200 Goldwing

Postby AWLKRSN » Mon Oct 04, 2010 4:49 pm

fireman wrote:Thank you I did charger the battery and it held at 14.3 on the meter but after staring it and letting run for 1Hr it dropped down and the bike shut off. I will try the search for the kit i dont want to pull the motor out all ready did that on my 850 Honda and that was a Pain . Thank you again


Pulling ( R&R) the engine to do a stator is not as bad as they make it. :) Don't believe the hype ;)
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Re: Charging system on a 1985 1200 Goldwing

Postby Roleketu » Wed Oct 06, 2010 4:11 pm

Pulling the motor to do a stator isn't bad, whats bad is that you don't know if the stator you install will last five miles or five years. Then you're R&Ring the motor again. And then you're still stuck with low amperage. Poorboy external alternator is the best route. Easy to do and you get scads of electrical power. If the alternator goes bad that's a simple half hour job. I did the Poorboy conversion this past spring and love it.
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Re: Charging system on a 1985 1200 Goldwing

Postby AWLKRSN » Wed Oct 06, 2010 9:55 pm

:D I did a stator job on mine and I love it also ,It is all orininal and not all hacked up :lol: And it will last as long as the orginal stator did 25 years. And it will have a better resale value if I decide to sell it ;)
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Re: Charging system on a 1985 1200 Goldwing

Postby fireman » Sat Oct 09, 2010 11:52 pm

Thank to all for the help but I broke down and had the Shop fix it. Come to find out it was the contector to the Stater wire that had broke they put A new one on and I am back riding again
Thank you all
A little history about my bike It is A 85 Interstate that I Got last year. The bike was left out side by the last owner for 3 years sitting under a Pine tree with no cover after a lot of work I got it on the road this year and I still am finding problems with it but I really like this bike Its a Great Ride. this winter its time for new Paint
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Re: Charging system on a 1985 1200 Goldwing

Postby WingAdmin » Sun Oct 10, 2010 3:48 pm

Honestly, if you don't want that connector to fail again, I'd just cut it out and solder the wires directly. Search for "three yellow wires" on this site.
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Re: Charging system on a 1985 1200 Goldwing

Postby snowy.vtwin » Sun Oct 10, 2010 5:29 pm

if the replacement was with an aftermarket (non oem) connector it may serve well ....


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