Newer battery kept on tender and won't start - Road Glide Forums
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post #1 of 30 (permalink) Old 02-07-2018, 02:44 PM Thread Starter
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Newer battery kept on tender and won't start

I am beyond pissed. It is a beautiful 55, sunny day and I haven't ridden my bike since before I had back surgery last fall. I decide that today is the day that I feel like I'm strong enough/ready to ride again after surgery. Unplug the bike from the Battery Tender Junior I've had it on all winter in my garage. Turn the power on, flip the kill switch and press the ignition button.

Clunk. Nothing. Just the radio playing.



I replaced my battery with a new Yuasa GYZ32HL last fall, and like I said, kept it on the Battery Tender Junior all winter and the tender is less than 2 years old. I don't get it. The bike is a 2015 FLTRXS and only has around 6,000 miles, so I wouldn't suspect an issue with the charging system. I currently am trying another Sears brand battery charger that I had on my wife's sportster all winter (her bike fired right up btw ), so maybe that will get it charged enough to turn over.

Right now I can only imagine that my tender is not working right. I did add a heated gear connection to the battery last fall, so maybe I didn't tighten down all the connections??


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'15 FLTRXS - V&H Power Duals w/ Screamin' Eagle Street Cannons - Arlen Ness Big Sucker - BT4180.14 w/Arc Moto 602v2 and Polk MM652 - Le Pera Maverick Daddy Long Legs - Advan Lowers - Freedom Shield 15"
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post #2 of 30 (permalink) Old 02-07-2018, 02:48 PM
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That's the worst. Hope u get it going! Good to hear ur ready to ride again!

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post #3 of 30 (permalink) Old 02-07-2018, 04:14 PM
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since the bike hasn't ran in 5 months, i wouldn't suspect the charging system either. i would suspect it's either loose connections at the battery, or a bad tender. i had a tender. it would suck the charge out of the battery, not keep it maintained. stopped using it, have had fewer battery issues.

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post #4 of 30 (permalink) Old 02-07-2018, 04:17 PM Thread Starter
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The lights on the tender don't show that anything "weird" is going on, but I know that doesn't necessarily mean anything. Is there a way to check my battery tender?


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'15 FLTRXS - V&H Power Duals w/ Screamin' Eagle Street Cannons - Arlen Ness Big Sucker - BT4180.14 w/Arc Moto 602v2 and Polk MM652 - Le Pera Maverick Daddy Long Legs - Advan Lowers - Freedom Shield 15"
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post #5 of 30 (permalink) Old 02-07-2018, 04:25 PM
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Quote:
Originally Posted by macabra11 View Post
The lights on the tender don't show that anything "weird" is going on, but I know that doesn't necessarily mean anything. Is there a way to check my battery tender?
I had a tender that showed the green "all's good" light but was bad. I got a new one and in an hour my electric start generator started.


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post #6 of 30 (permalink) Old 02-07-2018, 05:38 PM
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The lights on the tender don't show that anything "weird" is going on, but I know that doesn't necessarily mean anything. Is there a way to check my battery tender?
A volt meter . I never had luck with the yuasa battery , never seemed to last long.

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post #7 of 30 (permalink) Old 02-07-2018, 07:33 PM
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These chargers usually have an 'in line' fuse on them, have you checked that ?...hibby.
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post #8 of 30 (permalink) Old 02-08-2018, 08:25 AM Thread Starter
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A volt meter . I never had luck with the yuasa battery , never seemed to last long.
I have the same Yuasa high output battery in my wife's 1200 Sportster Custom and that thing has been amazing. It is hard to get a battery with better CCA than a Yuasa.

I tried to use a voltmeter to see what the output of the charger was, and it wouldn't even register on the voltmeter. I checked my Die Hard tender and it wouldn't register either (and I KNOW that charger works). I did some research and found out that these smart float chargers have programming in them to not disperse any output unless connected to a battery. So even hooking up the alligator clips and touching the voltmeter to them didn't work. So in essence, there is no way to actually test the charger.

I am pretty sure I have a bad Battery Tender Junior. I tested the battery with a voltmeter and it was reading a touch over 12v, so that lead me to think that the battery was good but not being charged. I took my old Die Hard float tender off the wife's bike and put it on mine yesterday at lunch. I knew it was keeping her battery good because that bike started up INSTANTLY. So a couple hours later I get home and see the Die Hard tender is green and says charged. I disconnect from the bike and try to start it, but it doesn't turn over. It give me one turn and then kerchunk. Nothing.

I plug my bike back into the Die Hard tender and it says it's charging again, so I left it. About 3.5 hrs later I see it is green/charged again and I give it a shot. VROOM! We have liftoff! I let it run for a few min and then shut it off and tried again, and it started but seemed a little more hesitant than before. I put it back on the Die Hard and let it sit. When I go home at lunch today I will see if it starts. If so I think it was just that Battery Tender Jr not working right. I will probably go have my battery tested to see if it did any damage to it or reduced the life any.


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'15 FLTRXS - V&H Power Duals w/ Screamin' Eagle Street Cannons - Arlen Ness Big Sucker - BT4180.14 w/Arc Moto 602v2 and Polk MM652 - Le Pera Maverick Daddy Long Legs - Advan Lowers - Freedom Shield 15"
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post #9 of 30 (permalink) Old 02-08-2018, 08:42 AM
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I went through 3 Battery Tender Jrs until I got smart and spend a little more money on the Regular Battery Tender. It's about $70. I have one that has lasted 15 years that I use on my bike and the Tender jr's I used on my quads. I'm not a fan of Jr.
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post #10 of 30 (permalink) Old 02-08-2018, 08:43 AM
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I just had the same thing happen, a battery tender Jr plugged in to my shovelhead since fall, went to ride yesterday and it was almost dead, showed a green light and it looked fine but the battery was down. I charged it, rode it and plugged into a battery tender plus and it's ok this morning.
I have three of the Battery tender plus units that have been flawless for many years, did the same as a previous post and put the Jr on my 4-wheeler.
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Last edited by VinceM; 02-08-2018 at 08:50 AM.
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