lights dimming
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Cruiser
Joined: Aug 2008
Posts: 217
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lights dimming
I noticed the past couple rides my headlight and lights are dimming When I looked down at my dakota gauge which has a voltmeter it showed 12.1 volts then climbed back ot 14.3 volts. The battery was just replaced 5 months ago and I rider everyday. Any ideas whats causing this? Thanks btw it's an 04 deuce fi
Road Master
Joined: May 2008
Posts: 954
Likes: 4
From: CA
whats the voltage of the battery when its not running? Should be 12.7...12.6 would be a 75% charged battery...12.3 is 50% charge...12.0 would be 25% charge...Even though it has over 12 volts, might not be keeping the charge...
My tender would be green, but my battery would never get higher than 12.4 and it died less than 2 years old, couldnt start the bike all the time.
When you hit start on the bike, on the meter how low does it drop to? If they battery goes down to like 4 volts then back up, most likely the battery.
If while running, its over 14 volts, then the regulator/stator is usually good...Check your connections, make sure they are tight and the grounds are good on the frame.
My tender would be green, but my battery would never get higher than 12.4 and it died less than 2 years old, couldnt start the bike all the time.
When you hit start on the bike, on the meter how low does it drop to? If they battery goes down to like 4 volts then back up, most likely the battery.
If while running, its over 14 volts, then the regulator/stator is usually good...Check your connections, make sure they are tight and the grounds are good on the frame.
Last edited by jknowlton; Jul 24, 2009 at 08:51 AM.
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