The Pooch is Screwed. - Steve Saunders Goldwing Forums

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post #1 of 18 (permalink) Old 09-02-2019, 03:58 PM Thread Starter
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The Pooch is Screwed.

Well my rush to get the bike running with a super-drained battery has cost me a voltage regulator. It's charging 15.8 volts, give or take.

So, before it completely ruins the battery, I need to do something. Can't find the Shindengen at the dealer, has anybody got a link? I know I bought this one on line but can't find the site.

Why ain't we ridin'?
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post #2 of 18 (permalink) Old 09-02-2019, 04:58 PM
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Did you buy a new or used one?
You have to sift through the ads, as OEM ones are listed but used.https://www.ebay.com/sch/i.html?_fro...&_sacat=177955


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post #3 of 18 (permalink) Old 09-02-2019, 05:58 PM
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Quote:
Originally Posted by Bike...and Dennis View Post

So, before it completely ruins the battery, I need to do something. Can't find the Shindengen at the dealer, has anybody got a link? I know I bought this one on line but can't find the site.
here

http://www.roadstercycle.com/Shinden...or%20about.htm

~ John


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post #4 of 18 (permalink) Old 09-02-2019, 07:41 PM
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Quote:
Originally Posted by Bike...and Dennis View Post
Well my rush to get the bike running with a super-drained battery has cost me a voltage regulator. It's charging 15.8 volts, give or take.

So, before it completely ruins the battery, I need to do something. Can't find the Shindengen at the dealer, has anybody got a link? I know I bought this one on line but can't find the site.
You are probably right Dennis but remember high resistance in the battery or battery connections can cause high voltages like that. If you checked at the battery did you put the probes on the lug itself and not the cables. Might take a minute to be sure. Might save you some money if you are lucky. Also be sure the wires that shunt the power to ground are clean. Seems to me I saw where people even added wires to shunt the excess to ground. I'll go see if I can find that for you, Buddy.

Mike

Worked on the "big rigs" for 45 years now just riding my Wing whenever I can. Gets cold in Wisconsin.
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post #5 of 18 (permalink) Old 09-02-2019, 08:07 PM
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Don't think a nearly-drained battery would hurt the regulator, if anything the extra draw from charging a low battery would lighten the load on a shunt regulator.

+1 on checking shunt grounds and battery connections...

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post #6 of 18 (permalink) Old 09-02-2019, 08:12 PM
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Don't think a nearly-drained battery would hurt the regulator, if anything the extra draw from charging a low battery would lighten the load on a shunt regulator.

+1 on checking shunt grounds and battery connections...
Measure voltage at the grounds to be sure it is near zero??? Voltmeter Red probe on green wires (2 greens at R/R) and black probe on battery negative LUG.

Mike

Worked on the "big rigs" for 45 years now just riding my Wing whenever I can. Gets cold in Wisconsin.
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post #7 of 18 (permalink) Old 09-02-2019, 08:40 PM Thread Starter
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Quote:
Originally Posted by DenverWinger View Post
Don't think a nearly-drained battery would hurt the regulator, if anything the extra draw from charging a low battery would lighten the load on a shunt regulator.

+1 on checking shunt grounds and battery connections...

The dead battery was just the start. I had to jump it from the car and the battery was so dead I needed to start the car. Jumping from a running car was the cause of this, I fear.

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post #8 of 18 (permalink) Old 09-02-2019, 08:44 PM
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Try the link below Dennis. And I would suggest getting on the chat box to ensure you've got the right one!


https://regulatorrectifier.com/catalog/

Don

1985 Gl1200 Limited Edition
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post #9 of 18 (permalink) Old 09-02-2019, 09:19 PM
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Quote:
Originally Posted by Bike...and Dennis View Post
The dead battery was just the start. I had to jump it from the car and the battery was so dead I needed to start the car. Jumping from a running car was the cause of this, I fear.
Contrary to popular belief I don't think that would bother the shunt regulator either. Even if a freshly started car was running at 14-15 volts and bike regulator went into heavy shunt, the shunting occurs on the AC side of the bike's rectifier bridge and the diodes block the car's voltage from getting there. So the bike regulator is not trying to shunt the car battery voltage, it is only shunting that which it normally does anyway - just the stator.....

I'd take the bike battery charge it up good and get it load-tested though. If it's on the verge of failing this can fool the regulator into high voltage readings, too.
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post #10 of 18 (permalink) Old 09-02-2019, 09:57 PM
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Quote:
Originally Posted by Bike...and Dennis View Post
The dead battery was just the start. I had to jump it from the car and the battery was so dead I needed to start the car. Jumping from a running car was the cause of this, I fear.
I never heard of it causing a high charge, but I have seen it blow diodes. Doesn't take long either of both vehicles charging.

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