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with 50A red fuse pulled, will an attached battery tender still take care of the battery charge?

6.7K views 30 replies 12 participants last post by  RFG7680  
#1 ·
i'm assuming it will as the factory attached lead appears to go straight to the battery(2022 RGS). i have the fuse out as i'm changing out handlebars, upper triple, risers, installing heated grips.

had the complete Arlen Ness Method risers/triple tree/ignition cover and after i removed all the OEM parts, i ran all the cables/installed heated grips/etc thru the new KST Kommander bars. when i started looking at the AN parts i really wasn't wanting to run cables/lines thru the interior of the risers, after some thought i boxed everything up and ordered Thrashin triple tree/risers/speedo/RPM relocation part.

So the bike is sitting on the covered carport but out in the cold and we are having low temps and have been. some of the Thrashin parts will be another two weeks before arriving. i want to connect the battery tender to keep the charge up.

If i put the 50A fuse back in i assume i'll have a lot of codes thrown out and even though they should clear easily, i'd rather not have any additional possibility of creating an issue.

thanks for your reply
d
 
#6 ·
i have thought about doing that. i had intended for this swap out to be done over a 2 day period two weeks ago when we had upper 60 degree weather, but changing my mind on the parts and then waiting has squashed all plans. based on weather, and whenever all the pieces arrive, this could be another 2-3 weeks, and the weather is hanging in the 30's most days, dipping lower at night.
 
#8 ·
No not on newer bike the tender cable is part of the harness it is not connected directly to battery.
Started with Rushmoore. It also has it's own 20 Amp fuse . Good idea to know where it is in the fuse box. I think it is number 4
 
#10 ·
A little off topic but has been mentioned so. Of all the bar installs I’ve done. I have yet to pull the fuse. The only bike to throw codes so far was the Freewheeler. And that was just the speedo code and a turn signal code. Probably done bars about 8 or more times. Not saying you don’t have to or shouldn’t. So what you’re comfortable with. But not pulling it and doing bars is no big deal.
I guess a was way to check is keep your fuse out and plug in the tender and have a volt meter on the battery. See what happens.
 
#11 ·
A little off topic but has been mentioned so. Of all the bar installs I’ve done. I have yet to pull the fuse. The only bike to throw codes so far was the Freewheeler. And that was just the speedo code and a turn signal code. Probably done bars about 8 or more times. Not saying you don’t have to or shouldn’t. So what you’re comfortable with. But not pulling it and doing bars is no big deal.
I guess a was way to check is keep your fuse out and plug in the tender and have a volt meter on the battery. See what happens.
I've done two bar installs on my 2022 FLTRXS. Didn’t pull the fuse. After I buttoned it up I had a check engine light and half a dozen codes both times. They are easy enough to clear, but I don’t recall that happening on my 2020 FLH that I also did two bar installs on.
 
#16 ·
I haven't pulled the fuse either, guess also have gotten lucky. Also DON'T REMOVE THE IGNITION! Remove the the horseshoe thing under it! You can then turn the ignition to acc and wiggle the console over it. No worries to miss-align the switch and swear a lot trying to get it aligned again.
 
#25 ·
On these newer canbus bikes, the ign switch just sends a coded signal over the canbus to the BCM to energize the circuits. Other than the signal, all the connecting of circuits happens in the bcm. With CVO's that happens without the ign switch circuit. I've never looked into exactly how that works on a CVO, but it's something that can be turned on or off with software. So the fob being in hand probably all that's necessary. But not knowing, I would probably check it at the HD service portal before pulling the fuse, if I had a CVO.