Battery Tender Jr - Why do I have to disconnect the battery?

Johnnymac · Apr 18, 2013

I have been using the Battery tender Jr for years on my other bikes. However, when I try to use it on the Norton, I have to either fully disconnect all the leads from the battery first or disconnect the fuses to get it to charge. My Norton is still a positive ground setup.

What do you guys do? Is there an easier work around? I would really like to permanently install the Battery Tender Jr. quick connects but there is no point right now.

L.A.B. · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

Does the electrical system still have the normal Zener diode (and rectifier)? The Zener can bleed-off the charging current when connected during charging so it can prevent the battery reaching its fully charged state.

Norton-Villier · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

Is this also true if I use the plug/socket part number 06-2666

Phil

jaydee75 · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

Me too. I just use the "shaver" plug and my Batt Tender charges fine, positive gnd.
Jaydee

Johnnymac · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

jaydee75 said:
Me too. I just use the "shaver" plug and my Batt Tender charges fine, positive gnd.
Jaydee

I have never thought about using the shaver plug... What did you use to connect the charger to the shaver plug?

I got rid of my old zener. I have the podtronics now.

L.A.B. · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

Johnnymac said:
I got rid of my old zener. I have the podtronics now.

Have you tried disconnecting the Podtronics unit before charging?
Does it still have the 2MC capacitor connected?

Johnnymac · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

L.A.B. said:
Johnnymac said:

I got rid of my old zener. I have the podtronics now.

Click to expand...

Have you tried disconnecting the Podtronics unit before charging?
Does it still have the 2MC capacitor connected?

Yes, the capacitor is still connected....I think. I didn't disconnect it.

If I disconnect the podtronics fuse and the main fuse, then I can charge. If I leave either of them connected, it won't fully charge. I just plugged a couple wires into the shaver outlet and the charger went from Red to Green Flashing. It doesn't do that when I connect it to the battery with the fuses disconnected. I will let you know.

DogT · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

I pull the fuse on my bike except when I'm using it, so I just use the clip leads. Pulling the fuse is easy enough, at least on mine, it's right above the battery below the seat.

Dave
69S

Johnnymac · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

I don't know why, but pluggin the charger into the Shaver Socket worked! Thanks guys!

What kind of plug is that anyway and where can I get one? I'd like to properly wire a charging plug instead of just sticking bare wires into the socket.

speirmoor · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

Those plugs are pretty rare and sell for a good amount when they show up

Johnnymac · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

speirmoor said:
Those plugs are pretty rare and sell for a good amount when they show up

Does anyone know what they are called?

batrider · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

Someone has reproduced these "shaver plugs" recently. I saw the plugs and sockets being sold together somewhere. In the past it has been very hard to locate the plugs (very non-standard). I still have my original plug that came with the bike. I just got into Battery Tenders recently (when I bought the Harley) and the next step with the Norton would be to rewire in a 4 position fuse panel and probably another relay so the battery is "alone" with the key off (charging system disconnected). There is not much need for a Battery Tender on non electric start bikes though.

drones76 · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

batrider said:
Someone has reproduced these "shaver plugs" recently. I saw the plugs and sockets being sold together somewhere. In the past it has been very hard to locate the plugs (very non-standard). I still have my original plug that came with the bike. I just got into Battery Tenders recently (when I bought the Harley) and the next step with the Norton would be to rewire in a 4 position fuse panel and probably another relay so the battery is "alone" with the key off (charging system disconnected). There is not much need for a Battery Tender on non electric start bikes though.

http://www.ebay.com/itm/NORTON-COMMANDO ... 4ac0e8c045

There was also an ebayer named bsanut selling them for about the same price. I asked if he would separate them but he would not. Only sold as a set.

Johnnymac · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

I'm thinking that this would work... Expensive though.
http://www.ebay.com/itm/LUCAS-CAB185-EA ... 71&vxp=mtr

pete.v · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

Here is a handy item at a fraction of the cost. I have to apply them on all ballast replacements.

http://www.grainger.com/Grainger/STAKON ... Pid=search

850cmndo · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

speirmoor said:
Those plugs are pretty rare and sell for a good amount when they show up

Eurotrash has replicas.

850cmndo · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

850cmndo said:
speirmoor said:

Those plugs are pretty rare and sell for a good amount when they show up

Click to expand...

Eurotrash has replicas.

http://www.eurojamb.com/norton-accessor ... -2222.html

Johnnymac · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

Good stuff. I do have the OEM Socket and Plug. I'm just looking for a good way to connect the charge to the socket.

ILLF8ED · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

My '72 is plugged into a Battery Tender now with a green light showing. Should not be a problem with zener bleeding off current as the charger current is pretty low anyway.

Mark · Apr 18, 2013

Re: Battery Tender Jr - Why do I have to disconnect the batt

My battery tender came with one of these plug :

Battery Tender Jr - Why do I have to disconnect the battery?

I just keep it permanently attached to the battery and tuck it up behind a side cover when I'm out riding.

Battery Tender Jr - Why do I have to disconnect the battery?

Johnnymac

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