How to Check if Voltage Regulator is good?
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6th Gear
Joined: Apr 2010
Posts: 14
Likes: 0
From: Grand Rapids, Michigan
How to Check if Voltage Regulator is good?
Hi Everyone!
Have a question on my "99" FXDWG, I think my Voltage Regulator is going south, how can I check the regulator, before I go and buy another one?
Is there a certain Ohm reading, open/closed check that can be done....?
I can go for an hour ride averaging around 55 mph, the LED volt meter says its charging at ...red red yellow and by the next morning it's down to 1 red LED....I bought this battery last year, but have gone through 3 batteries in the past 5 years (this can't be the norm or is it?) So I was leaning to a new Voltage Regulator
Was also thinking maybe the stock stator is going....
Any input is greatly appreciated!
Thank You!
Pete
Have a question on my "99" FXDWG, I think my Voltage Regulator is going south, how can I check the regulator, before I go and buy another one?
Is there a certain Ohm reading, open/closed check that can be done....?
I can go for an hour ride averaging around 55 mph, the LED volt meter says its charging at ...red red yellow and by the next morning it's down to 1 red LED....I bought this battery last year, but have gone through 3 batteries in the past 5 years (this can't be the norm or is it?) So I was leaning to a new Voltage Regulator
Was also thinking maybe the stock stator is going....
Any input is greatly appreciated!
Thank You!
Pete
Tourer
Joined: Jan 2006
Posts: 373
Likes: 26
From: Virginia
The regulator is typically checked by a process of elimination. If the battery, stator and rotor check out - then it is probably the regulator.
Does your battery voltage at the terminals change with RPM (e.g. at 1000, 2000 3000)?
What RPM range do you normally ride at?
Have you checked the ground for the regulator?
Finally, the Electronics Diagnostic Manual will help you greatly.
Does your battery voltage at the terminals change with RPM (e.g. at 1000, 2000 3000)?
What RPM range do you normally ride at?
Have you checked the ground for the regulator?
Finally, the Electronics Diagnostic Manual will help you greatly.
Last edited by dcfatboy; Jun 4, 2010 at 09:40 AM.
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