Testing my Alternator on my 1985 GL1200!


Information and questions on GL1200 Goldwings (1984-1987)
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jvanloo3
Posts: 6
Joined: Sat Aug 14, 2010 2:29 pm
Location: Hudsonville, MI
Motorcycle: 2003 Goldwing

Testing my Alternator on my 1985 GL1200!

Postby jvanloo3 » Sun Aug 15, 2010 8:39 am



Do any of you folk's know how I can test my alternator? I looked at the stator which has been removed by the previous owner as I am having trouble keeping my new battery charged up. any I help I would aprreciate!



Lebouc
Posts: 40
Joined: Sat May 01, 2010 9:52 am
Location: Montreal Quebec Canada
Motorcycle: GL1500SE 2000

Re: Testing my Alternator on my 1985 GL1200!

Postby Lebouc » Sat Aug 21, 2010 9:45 pm

If you want to test your stator you`ll have to start your bike and then unplug the connector with the 3 yellow wires right next to the battery , there`s 2 tests you can do , first one : on the connector end that comes from the stator with an ohm meter just makes sure there`s no continuity between each of the 3 yellow wires and ground if so that means your stator is grounded .

The second : take a test light and check for power between each and every yellow wires ....
EX : one yellow wire with a second , one yellow wire with the third one , and second yellow wire with the third one , you have to have power on all 3 phases , otherwise your stator only charges on 1 or 2 phases .

Hope this helped !!!!

Good luck !!!!

jvanloo3
Posts: 6
Joined: Sat Aug 14, 2010 2:29 pm
Location: Hudsonville, MI
Motorcycle: 2003 Goldwing

Re: Testing my Alternator on my 1985 GL1200!

Postby jvanloo3 » Sun Aug 22, 2010 9:34 am

Thanks for the info. I do have a stator. Now I found out that it is bad.

User avatar
tricky
Posts: 341
Joined: Fri Jun 26, 2009 4:14 pm
Location: Canada

Re: Testing my Alternator on my 1985 GL1200!

Postby tricky » Mon Aug 23, 2010 9:05 am

Changing to an external alternator is considered by some to be the better alternative to replacing the stator.

1 Higher power output (extra lighting)
2 Ease of future maintainability
3 Can be a cheaper alternative if you plan on using a shop to install the stator and can purchase a used alternator

Alternator of choice http://search.waiglobal.com/partsearch/ ... -1230-01ND

jvanloo3
Posts: 6
Joined: Sat Aug 14, 2010 2:29 pm
Location: Hudsonville, MI
Motorcycle: 2003 Goldwing

Re: Testing my Alternator on my 1985 GL1200!

Postby jvanloo3 » Wed Aug 25, 2010 4:50 am

Thanks for the info on that.

gimpychum
Posts: 12
Joined: Sat Aug 29, 2009 5:23 am
Location: Council Bluffs, IA
Motorcycle: 1985 GL1200 LTD

Re: Testing my Alternator on my 1985 GL1200!

Postby gimpychum » Sun Aug 29, 2010 9:12 pm

The Poor Boy add on alternator kit for the goldwing is definately cheaper and easier than replacing the stator. If you do decide to go that route prepare to do a little grinding on the new alterantor to get it to fit. I have the kit on my bike with a 2" pulley on the crank and a 2" pulley on the alterantor. It does a pretty good job but doesnt really charge anything until about 2000 rpm. I've read alot of threads where people have installed larger pulleys on the crank to get them to charge better at lower rpms. I believe the guy who makes those kits offers the option of a 3 or 3.5" pulley now and I would recommend that. I have read of some people putting as big as a 5" pulley on the crank but have never heard any long term reviews on how this affects alternator longevity. (with 5" pully was kicking out 14.3v @ idle!) Anyway, Do your research (there are alot of forums to troll through with lots of good info on this conversion) and if you drive in town alot at low rpms I would seriously consider looking into a larger crank pulley if you decide to go with the conversion. Let us know what you decide to do.




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