Excessive voltage resolved


Information and questions on GL1100 Goldwings (1980-1983)
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CT1100
Posts: 18
Joined: Mon Jan 20, 2014 8:43 pm
Location: Hartford, Connecticut
Motorcycle: 1983 GL1100I original owner
1985 Cycle Mate CM 1000 trailer
2006 Harley Ultra Classic
1964 Yamaha YA6

Excessive voltage resolved

Post by CT1100 » Tue Jan 07, 2020 7:34 pm



I want to thank Wing Admin and all of the contributors on this site. No matter what the problem is with my Goldwing I can always find the answers here on Goldwing Docs.

I recently went out to winterize my 1100 but I couldn't even start the job since the engine would not even not turn over despite being kept on a tender. After removing the battery I noticed that 1/2 of the electrolyte had evaporated (boiled) out of the battery. I normally don't like to purchase a new battery before storage but I would have to if we were going to fix this overcharging issue.

A search of this site revealed many charging/overcharging threads but this is the one that helped me the most viewtopic.php?f=4&t=42125&p=263314&hili ... ut#p263314

Just a reminder for everyone don't forget to check your stator / RR output as part of this years maintenance. I'm lucky the battery failed in the garage and not while I was out on the road.

These are the readings before and after installing the sense jumper wire as outlined in the above thread.
Ignition off battery voltage - not running 12.49 - 12.49
Ignition on battery voltage - not running 11.9 - 11.9
Sense wire voltage @ RR - not running 11.0 - 11.9
Battery voltage at idle - running 14.4 - 12.7
Battery voltage at 3,500 RPM - running 15.45 - 14.22

It looks like my old GL will be on the road for another year!

Thanks again,

Chris



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