Cycle Electric Rectifier
Seasoned HDF Member
Joined: Dec 2005
Posts: 19,971
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From: poway
BTW, The ground connection on a regulator does not take dumped over-current to ground. The ground provides a current path for charging and voltage reference. The regulator either opens or shorts the output stator windings to regulate current.
If it dumped current to ground it would short out the battery. You need a circuit (circular current path) for current to flow.
If it dumped current to ground it would short out the battery. You need a circuit (circular current path) for current to flow.
Grand HDF Member
Joined: Sep 2017
Posts: 3,901
Likes: 1,032
From: Southern Virginia
Man this brings back memories. I put an Accel rectifier on my 76 FLH almost thirty years ago and it's still working good. I did it in the parking lot of a local shop that's long since been gone. If I had to do it again I'm sure I'd be scratching my head. Good to hear about Cycle Electric, I don't know if they were around back then or not.
Seasoned HDF Member
Joined: Jul 2014
Posts: 8,628
Likes: 3,389
From: Cental, MI
BTW, The ground connection on a regulator does not take dumped over-current to ground. The ground provides a current path for charging and voltage reference. The regulator either opens or shorts the output stator windings to regulate current.
If it dumped current to ground it would short out the battery. You need a circuit (circular current path) for current to flow.
If it dumped current to ground it would short out the battery. You need a circuit (circular current path) for current to flow.
A Harley Alternator puts out 100% continuously..the Regulator shunts off Excess basically to Ground..Not being an Electronics Engineer...I believed them...and did Find, that if Not Grounded...the Battery will get Over Charged..Try It!!
Last edited by Racepres; Today at 01:56 PM.
Seasoned HDF Member
Joined: Dec 2005
Posts: 19,971
Likes: 8,057
From: poway
I'm not going to try disconnecting the ground on a regulator. Good chance it damages the regulator then over voltages..
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Cruiser
Joined: Jun 2021
Posts: 124
Likes: 44
From: New Jersey
Wow, you gentlemen have given me plenty to consider. I suppose it I was just going with the OEM parts there wouldnt be much of an issue. But since the CE kit is similar to the EVO charging system 32-38 amps I will attach the ground wire to frame or transmission plate, put a 30 amp fuse in-line to positive battery terminal as suggested by CE.
Club Member
Joined: Mar 2009
Posts: 66,144
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From: Niles Canyon Ca.
A cautionary note if the CE regulator is the big heavy one, check the factory mount close for any cracking before installing that monster. I had to make a heavier mount that goes off the front motor mount for the current bike build. That CE reg is 3x the weight of the stock one.
Seasoned HDF Member
Joined: Jul 2014
Posts: 8,628
Likes: 3,389
From: Cental, MI
No One said "Short to ground"...I said "Shunt Excess to Ground"... which is , to my Understanding, How the Shovelhead (Evo too) voltage regulator Works
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