GL1200 DOGBONE FUSE..What a difference!! - Steve Saunders Goldwing Forums

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post #1 of 20 (permalink) Old 07-10-2013, 05:00 PM Thread Starter
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GL1200 DOGBONE FUSE..What a difference!!

A few years ago I tossed the clock on my Aspencade in favor of a voltmeter off an SE-i. I have a watch.
This spring I had a small problem with power supply to the ignition and found the red spade terminal connections on the starter solenoid a bit dirty. I chalked it up to sitting for months on end and after plugging and unplugging a few times, the problem corrected itself.
I've also been noticing the charging system putting out less than usual. It was falling down to 12.8 at idle. I know, some guys think that's acceptable, but I don't. It's always run 13+.
Today I decided to tackle the problem before heading for California next month. The spade terminals on the solenoid were crusty, so I finally broke down and did the main fuse (dogbone) bypass modification and installed a 30 amp in line fuse holder. With very interesting results. The terminals had enough resistance to clamp the amperage returning to the battery, resulting in a lowered charging capacity.
Keep in mind, I have a stock stator and regulator. I performed the mod years ago to take battery voltage to the regulator, rather than sensing off the system voltage. The voltmeter reads actual battery voltage and is accurate. Readings at idle and 3,000 rpm show the regulator is functioning correctly. What a difference!



Libraries are full of stuff I don\'t know.
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post #2 of 20 (permalink) Old 07-10-2013, 06:20 PM
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kool there is nothing like keeping a bike in good shape specialy with electrical connection

Keep up the good work.

Norm.

Arte et marte.
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post #3 of 20 (permalink) Old 07-10-2013, 06:25 PM
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Cool!! So,, What's next? The 500 watt stator change out or Synthetic Oil??!!!!



Don

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post #4 of 20 (permalink) Old 07-10-2013, 08:24 PM
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I think it was your post a while back I followed with a relay to have the reg sense wire read the battery. I have a lithium ion small, small, battery. This way it stays in the 13's all the time, which is important for these batteries. They can't be overcharged or overdrawn. Thanks.
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post #5 of 20 (permalink) Old 07-10-2013, 08:27 PM
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Originally Posted by roscoepc View Post
Cool!! So,, What's next? The 500 watt stator change out or Synthetic Oil??!!!!



You kiddn..... nothin but stock... ahem.... for the donut rider
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post #6 of 20 (permalink) Old 07-10-2013, 08:48 PM
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You kiddn..... nothin but stock... ahem.... for the donut rider

And here I'd thought you had forgotton all about the "3 Freeholies"!!!!!!!!!




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post #7 of 20 (permalink) Old 07-10-2013, 09:35 PM Thread Starter
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You kiddn..... nothin but stock... ahem.... for the donut rider
Go ahead and laugh. Those donuts are hard to stay on. Especially the glazed ones!!

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post #8 of 20 (permalink) Old 07-12-2013, 09:44 PM
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Dumb question

I've been over your first post in this thread a dozen times and must still be overlooking something:

After cleaning the contacts, your battery is showing 14.25 VDC @ 960 RPM and 13.94 VDC @ 3150 RPM? No comprende. I thought the higher the rpm the higher the voltage.

Pete

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post #9 of 20 (permalink) Old 07-12-2013, 10:08 PM Thread Starter
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I've been over your first post in this thread a dozen times and must still be overlooking something:

After cleaning the contacts, your battery is showing 14.25 VDC @ 960 RPM and 13.94 VDC @ 3150 RPM? No comprende. I thought the higher the rpm the higher the voltage.
Weird, huh?
The voltage is not rpm dependent. The regulator allows as much to the battery as it deems necessary. Kinda blows the myth about not keeping up at idle, don't it? And it's not uncommon to have a slight voltage decrease as the amperage increases. That's one of the reasons I posted the pics.
When I apply the brakes at idle, the voltage drops to @13.8. Fans kick on and it drops again to 13.2
When I rev to 3,000, it climbs to 14+ again.

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post #10 of 20 (permalink) Old 07-13-2013, 09:23 AM
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The best I remember Mike's bike has been modified so the reference voltage comes straight from the battery. I think that has alot to do with the voltage difference at idle and at 3000rpm.....

Don

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