Charging system capacity


Information and questions on GL1100 Goldwings (1980-1983)
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IAAustin
Posts: 46
Joined: Thu Jul 26, 2012 3:14 pm
Location: Waukon, IOWA
Motorcycle: 1982 GL1100

Charging system capacity

Postby IAAustin » Wed Jul 27, 2016 9:30 pm



Hello! I haven't posted in a while (and up till now haven't ridden in a while) my wife and I had our first child! Now I'm getting the Wing back out to tinker with again. I'm wondering what our factory charging systems can handle for add-on accessories. What I'm thinking is a heated seat pad and possibly grips. Also, I'm looking into adding LED fog lamps and mounting those to the engine crash bar. Just wondering how much strain these systems can take? My bike is an '82 and the only aftermarket electrical I run is to a radio with 2 speakers and a USB charging port for my cell and GPS. Thanks in advance for your help!



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WingAdmin
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Posts: 17050
Joined: Fri Oct 03, 2008 4:16 pm
Location: Strongsville, OH
Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: Charging system capacity

Postby WingAdmin » Wed Jul 27, 2016 10:10 pm

On my 1100, I found that I had about 120-130 watts excess capacity to work with, but that was only when the bike was at cruising speed (i.e. engine > 3500 RPM). Anything lower than that, and it started to discharge the battery.

I'd call it 100 watts to be safe, then work with what you want - add up the watts used by each item and make sure you have the capacity to run them all. Heaters tend to use up a lot of power.

IAAustin
Posts: 46
Joined: Thu Jul 26, 2012 3:14 pm
Location: Waukon, IOWA
Motorcycle: 1982 GL1100

Re: Charging system capacity

Postby IAAustin » Wed Jul 27, 2016 10:23 pm

Sounds great WingAdmin, thank you for the input!


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