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Old 05-10-2019, 12:28 PM   #1
Zami
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Voltage Regulator

Hi everyone. Really happy I found this site! I picked up a 08 NIGHTROD with the abs/ security package a month ago. Bike is fully stock only has 6k miles, but for some reason battery keeps dying (won't start after I shut it off to open the garage after a 10 min trip). I did some research on this site and a few of you seem to think it is the Voltage Regulator.

Fortunately my brother has the same model year nightrod (also with abs/ security).

Can I swap the voltage regulators on these bikes? Will it interfere with the security system? I could not find a "how to" for this and just being cautious can't afford to lock up my ride. Swapping battery/ regulator will help out with narrowing down the issues.

Thank you
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Old 05-10-2019, 01:08 PM   #2
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Quote:
Originally Posted by Zami View Post
Hi everyone. Really happy I found this site! I picked up a 08 NIGHTROD with the abs/ security package a month ago. Bike is fully stock only has 6k miles, but for some reason battery keeps dying (won't start after I shut it off to open the garage after a 10 min trip). I did some research on this site and a few of you seem to think it is the Voltage Regulator.

Fortunately my brother has the same model year nightrod (also with abs/ security).

Can I swap the voltage regulators on these bikes? Will it interfere with the security system? I could not find a "how to" for this and just being cautious can't afford to lock up my ride. Swapping battery/ regulator will help out with narrowing down the issues.

Thank you
No problem, Nothing to worry about, just remember to remove the maxi fuse before you start work.
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Old 05-10-2019, 01:12 PM   #3
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Age battery?
Link:
https://www.1130cc.com/forums/showth...hlight=voltage
https://www.1130cc.com/forums/showth...hlight=voltage
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Old 05-10-2019, 02:24 PM   #4
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I'm not sure. The guy I bought it from said he replaced battery in February this year.

Idk what the maxi fuse is lol.
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Old 05-10-2019, 03:06 PM   #5
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Maxi fuse is the large 40 amp main fuse found under the right side side louver.

Was it a cheap battery or name brand ? Was it every fully drained?

Batteries don't like to be fully discharged, it causes scale to build up which drastically cuts their life. Had month old a battery go bad because i left my ignition on the the wideband fully discharged that battery.

Also when you have low battery voltage wierd frequency sensitive low voltage components start acting up like your speedo will start to bounce.
Any questions pull the battery and take it to any auto repair shop and have them test it, most do that for free
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Old 05-10-2019, 07:17 PM   #6
Zami
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Hey guys. Thank you for your insights. I did find the maxi fuse but hopefully won't have to swap the voltage thing. I also went and got my battery fully charged at the parts store this morning and everything seems fine since. ( I was prev. getting abs/ check engine/ battery light coming on after riding 10 mins) I rode the bike for Abt 30 mins twice already today with zero issues.

The older gent I bought the bike from hardly ever rode it, so I'm guessing maybe it just had enough juice for the 2-3 starts/ short rides I took it for.

I'll report back in a day with updates.
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Old 05-10-2019, 07:38 PM   #7
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The battery may now be defective. I had a similar problem. Charged the battery. It seemed fine. Ran fro a day or so and all of a sudden it was dead. Had to replace it.
'
Most batteries do not like to be fully discharged. It screws them up.
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Old 05-10-2019, 07:44 PM   #8
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very few bad regulators on these bikes. They will not run if voltage gets below 10. The battery should have a date on it. A letter and #. month date. If it was me I would put a battery in it and not worry about being stuck 100 miles from home. Yes it's running now but what about that road trip.
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Old 05-11-2019, 06:01 AM   #9
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The battery may now be defective. I had a similar problem. Charged the battery. It seemed fine. Ran fro a day or so and all of a sudden it was dead. Had to replace it.
'
Most batteries do not like to be fully discharged. It screws them up.
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very few bad regulators on these bikes. They will not run if voltage gets below 10. The battery should have a date on it. A letter and #. month date. If it was me I would put a battery in it and not worry about being stuck 100 miles from home. Yes it's running now but what about that road trip.
💯 thanks for bringing that up. I'd hate to be stranded and having to park the bike anywhere besides the garage. I'll keep it local and make sure someone can get me for the next few days.
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Old 05-11-2019, 06:29 PM   #10
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Take your battery to a local auto parts store and have them load check it. They will do it for free.
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Old 05-14-2019, 09:02 PM   #11
Zami
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Take your battery to a local auto parts store and have them load check it. They will do it for free.
So far i'm riding to work and back- it's been starting/ running fine with 0 problems. But then again it hasn't sat for more than 2 days since i charged it last week.

I will take it to the parts store and get it tested by next week.
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Old 05-14-2019, 10:29 PM   #12
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If I had to replace mine, I would really consider dropping the cash on the newer, light lithium ones. Nice to drop a few pounds right up by the triple tree.
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Old 05-15-2019, 02:42 PM   #13
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Start it up and put a volt meter on the battery and see if it is being charged. Should show 13+ volts at idle.


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Old 05-18-2019, 06:14 AM   #14
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when you are riding it does the speedo light flick on an of ? that's a sign on reg stuffing out just done mine on 09 an easy swap 10min job
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Old 05-18-2019, 07:24 AM   #15
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when you are riding it does the speedo light flick on an of ? that's a sign on reg stuffing out just done mine on 09 an easy swap 10min job
^ Yes! But only once yesterday. Was riding at night too. I had stopped at the gas station and noticed that dash was completely dark. I started to pray and it came on soon 😂
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