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Ironhead Sportster Motorcycle Talk (1957-1985) For all those that wanna talk about Ironhead Sportster Motorcycles

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  #1  
Old 2 Weeks Ago
Beary Beary is offline
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Default Can I run 2 solid state Voltage Regulators

Further examination of my 73 XLC basket case has found that previous owners installed a solid state rectifier on the generator and another one on the down tubes mount. Does that work OK? Can I burn one out?

My guess is one quit working, so the owner added the other one without removing the other. Who knows which one works. But what if they both work?

I'm in the middle of trying to simplify the mess of wiring so that I can start it.

Beary
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Quote:
Originally Posted by Beary View Post

My guess is one quit working, so the owner added the other one without removing the other. Who knows which one works. But what if they both work?
i going to assume you're talking about a voltage regulator? there would be no reason for 2.you should show a picture to show what you have.
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A full wave bridge rectifier will do nothing for DC voltage......
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right it's already DC.that's why i'm thinking regulator.
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Probably capacitors.
To help keep the light from flickering bad.

No one that remotely knew what they were doing would install multiple regulators.

They don't call me Ironhead Rick just because I'm hard headed
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Quote:
Originally Posted by ryder rick View Post
No one that remotely knew what they were doing would install multiple regulators.
In the past, solid state regulators for H-D generators (and aftermarket generators) were notorious for poor quality and frequent failure (especially the 6v. regulators). Their big selling point way back when was that they were 1/2 to 1/3 the price of an OEM/decent aftermarket mechanical regulator.
That left 2 options if you were going to run one instead of a mechanical regulator.
1.- Hope you weren't too far away from home or a shop when it crapped out. (If it was after 5pm, or a Sunday/Monday, you were screwed).
or
2.-Carry a spare regulator with you. If you mounted 2, when 1 crapped out all you had to do was unplug it and plug in the spare. If you carried a spare in your saddlebags or tool roll all you had to do was replace the bad one (took a little more time than the plug-n-play with 2 mounted).
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Sorry, I work in the aircraft industry. I will get you pictures.

Beary
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Here's an attempt.

This is the best shot that shows both regulators.
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Is your end mounted regulator on the generator a cycle electric brand unit? I would hook that one up and test it; if it's CE then it's better quality than the other, and if it's working right I would get rid of the one mounted to the frame.
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Quote:
Originally Posted by doodah man View Post
Is your end mounted regulator on the generator a cycle electric brand unit? I would hook that one up and test it; if it's CE then it's better quality than the other, and if it's working right I would get rid of the one mounted to the frame.
+1 on all points
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