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47 Posts
Hey all,
I have a 85 CB450SC Nighthawk. Previous charging issues were solved by a new regulator/rectifier and all was well for several months. Headlight on/off was about 14v. The battery is a WPS lithium.
However recently, I would come out to a bike with a dead battery. It seems there is some drain on the system while it sits. I would charge the battery, the next morning it will be dead. If I charged the battery and let it sit, it held 13.3 volts for days. Connected to the bike and running, it would read 13.6 volts with the headlight on, 13.8 volts with the headlight off. Left it sit in the bike a few hours and came back to it reading 12.8.....was able to start the bike, and "charging" it would read 12.8, but would not come up.
Does this sound like a battery issue? Like I said it will maintain a charge out of the bike, but once connected could there be an internal draw in the battery?
Or does it sound like it needs another regulator/rectifier? There have been no changes to the wiring on the bike, I have checked all connections but have found no problems.
Lastly, do the 3 yellow wires to the stator require a specific connection or is any order connection acceptable?
The green wire from the regulator is connected to battery ground, the red to battery positive, the black was capped and not used even with the previous regulator install..
The fact that it was working before makes me think the current connection is not the issue.
Thanks for any guidance!!
I have a 85 CB450SC Nighthawk. Previous charging issues were solved by a new regulator/rectifier and all was well for several months. Headlight on/off was about 14v. The battery is a WPS lithium.
However recently, I would come out to a bike with a dead battery. It seems there is some drain on the system while it sits. I would charge the battery, the next morning it will be dead. If I charged the battery and let it sit, it held 13.3 volts for days. Connected to the bike and running, it would read 13.6 volts with the headlight on, 13.8 volts with the headlight off. Left it sit in the bike a few hours and came back to it reading 12.8.....was able to start the bike, and "charging" it would read 12.8, but would not come up.
Does this sound like a battery issue? Like I said it will maintain a charge out of the bike, but once connected could there be an internal draw in the battery?
Or does it sound like it needs another regulator/rectifier? There have been no changes to the wiring on the bike, I have checked all connections but have found no problems.
Lastly, do the 3 yellow wires to the stator require a specific connection or is any order connection acceptable?
The green wire from the regulator is connected to battery ground, the red to battery positive, the black was capped and not used even with the previous regulator install..
The fact that it was working before makes me think the current connection is not the issue.
Thanks for any guidance!!