Plug Polarity Poll -- SAE 2-conductor plugs - Kawasaki KLR 650 Forum
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View Poll Results: What Polarity for SAE 2-conductor Plugs?
Naked contact = positive (Battery Tender) 0 0%
Naked contact = negative (safe) 5 100.00%
Either or both have their uses 0 0%
Scrap the SAE and use ______ (described below) 0 0%
Voters: 5. You may not vote on this poll

 
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Old 05-20-2014, 06:46 AM Thread Starter
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Plug Polarity Poll -- SAE 2-conductor plugs

I have been using SAE plugs for quite a while for basic wiring on different bikes. Even my accessory boxes that have Powerlet or co-ax (heated gear) outlets will connect to the battery with an SAE plug so I can connect different boxes or accessories on different bikes. My heated jacket, likewise, came with three options for the power cord and they all connect to an SAE outlet inside the jacket pocket.

I always wire my SAE plug so that if it is not in use and it flops against the frame, the naked contact is ground anyway -- no short.

I just got an electric pump with an SAE plug on the pump and 2 SAE plugs to connect to power: clips and cig plug. Both put the battery positive on the naked contact.

I thought this was to match Battery Tender but I was wrong. My poll, above, is wrong to mention Battery Tender. It's the Stop N Go air pump that is wrong although other devices may be also.

So what's your preference?

Last edited by Grinnin; 05-20-2014 at 03:48 PM.
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Old 05-21-2014, 05:55 AM
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It makes sense to me that the exposed post should always be the ground. I can't think of any reason why it should be the positive side.



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Old 05-22-2014, 05:03 AM Thread Starter
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I found out that the Stop N Go polarity is NOT the Battery Tender polarity. That makes the questions in the poll wrong.

But here are the 2 wiring pigtails provided by Stop N Go:



I started the poll because I thought that lots of people would have them wired way if these matched Battery Tender polarity. I was wrong, and BT doesn't use this polarity.

I can't think of any reason to have the polarity shown in the photo either.
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Old 05-22-2014, 08:17 AM
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Quote:
Originally Posted by Grinnin View Post
I found out that the Stop N Go polarity is NOT the Battery Tender polarity. That makes the questions in the poll wrong.

But here are the 2 wiring pigtails provided by Stop N Go:



I started the poll because I thought that lots of people would have them wired way if these matched Battery Tender polarity. I was wrong, and BT doesn't use this polarity.

I can't think of any reason to have the polarity shown in the photo either.
The only bikes that would be safe with are some old time British bikes that had positive ground.
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