Voltage on a Gl 1500 Alternator,

Information and questions on GL1500 Goldwings (1988-2000)
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Posts: 1
Joined: Mon Mar 31, 2014 11:07 pm
Location: Corona, California
Motorcycle: 1988 Gl1500

Voltage on a Gl 1500 Alternator,

Postby lbzthane » Tue Apr 01, 2014 11:00 pm

I think my alternator,, may have gone out,, can anyone one give me some tips on How to Check it,, and what the Voltage should Be,, It is a 1988 GL 1500 Wing.. the other morning on the way to work,, dash lights seemed a bit dim,, but thought it might just be me,, Bike ran fine,, It started up fine to com home,, and then died at a light,, got a flat bed ride home.. any tips on how to check would be great,,


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Posts: 1188
Joined: Fri Dec 04, 2009 12:54 pm
Location: Tacoma, WA
Motorcycle: 1998 - GL1500 Aspencade.
2003 - GL1800A

Re: Voltage on a Gl 1500 Alternator,

Postby MikeB » Tue Apr 01, 2014 11:26 pm

If you check the battery voltage at the battery terminals with the engine running, the voltage should be about 12.9 v at idle and around 13.9 volts above 1500 RPM. If you can not start the engine because of dead battery and you think a bad alternator is why the battery is dead, fully charge the battery with a battery charger and then start the engine. Voltages should be as indicated above.
Tacoma, WA, USA

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