No charging voltage!!
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Stage III
Joined: Dec 2011
Posts: 3
Likes: 0
From: ny
No charging voltage!!
Just picked up a 96 Rk, I have no charging voltage.
What i did is measure battery voltage before starting 12.5v then after
she was warm @ idle battery 12.3v. If i keep the rpm around 2000-2500
still nothing. Any suggestions? Was thinking voltage regulator?
What i did is measure battery voltage before starting 12.5v then after
she was warm @ idle battery 12.3v. If i keep the rpm around 2000-2500
still nothing. Any suggestions? Was thinking voltage regulator?
Last edited by 96RK; Dec 16, 2011 at 07:22 PM. Reason: mispelled
Tourer
Joined: Jan 2011
Posts: 300
Likes: 10
From: Black Hills
To know you need to check the output of the stator - not exactly sure of your model, but should be over 20 volts AC out of the stator to the regulator. If you have stator voltage, the regulator is suspect. Ought to be around 14 volts DC out of the regulator at 2000 rpm.
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
Likes: 402
From: Phoenix '53, '88, '09 Big Twins
there is sticky on the tech board electrical section.
in short you should see 16 to 20 volts AC per 1000 rpm at the stator.
you already did that check, but run the rpms up higher and make sure that the output meets specs
3000 rpm should see 55 or 60 volts.
to check regulator, first check connections- stator plug, regulator mount ( ground) and the + wire from the regulator to the battery- this sometimes gets damaged by road debris.
mike
in short you should see 16 to 20 volts AC per 1000 rpm at the stator.
you already did that check, but run the rpms up higher and make sure that the output meets specs
3000 rpm should see 55 or 60 volts.
to check regulator, first check connections- stator plug, regulator mount ( ground) and the + wire from the regulator to the battery- this sometimes gets damaged by road debris.
mike
Tourer
Joined: Jan 2011
Posts: 300
Likes: 10
From: Black Hills
Check the voltage of the battery with bike not running. A good battery should read 12 to 12.5 volts. Restore all connections to normal and you should have around 14 to 14.5 volts at the battery at 2000 rpm. If you continue to only see battery voltage, bad regulator or wiring from it to the system.
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