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Discussion Starter #1
This is your big chance to be smug and help out an ignoramus newb in the process. I'm not looking for another question or puzzle in reply to my question, just a simple answer.
On the stock headlight-to-bulb plug, is the top lug the power or ground side? Thanks in advance for your simple and, one hopes, correct reply.
Tally ho,
BarryEss:confused:
 

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As it is a Halogen bulb - a 2 pin bulb will not matter which way the plug is connected - it will just work. But be careful if you switch to anything else like HID or LED as Polarity DOES matter.

AS to which wire in the plug is Positive and negative you either have to use a multimeter, or tell us the colour of the wire.

2010 Versys
High = R/BK (Red/Black) and BK/Y (Black/Yellow)
Low = BL/Y (Blue/Yellow) and BK/Y (Black/ Yellow)

BK/Y (Black/ Yellow) is Negative/Earth
 

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Discussion Starter #5
I am not where the bike is, but if you have a voltmeter you can find out for yourself.

Or you can look at the different color wires and see what goes with the schematic in the electrical section of the service manual.

The ground wire is usually black with yellow stripe.
Ah, one of those answer a question with a question replies that I spoke of. If I (a) had a multimeter and (b) the requisite tools to remove the middle fairing and windshield in order to see the wire colors, I'm sure that this would be the road I'd take.

Thanks anyway. Next.:(
 

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Discussion Starter #6 (Edited)
As it is a Halogen bulb - a 2 pin bulb will not matter which way the plug is connected - it will just work. But be careful if you switch to anything else like HID or LED as Polarity DOES matter.

AS to which wire in the plug is Positive and negative you either have to use a multimeter, or tell us the colour of the wire.

2010 Versys
High = R/BK (Red/Black) and BK/Y (Black/Yellow)
Low = BL/Y (Blue/Yellow) and BK/Y (Black/ Yellow)

BK/Y (Black/ Yellow) is Negative/Earth
Again, an answer that is out of my range of possibility. No multimeter and cannot see the wires. One previously undisclosed piece of info, whether it matters or not, the bike is a 2008. I am able to get my hand in from underneath and see enough to recognize that the harness and plug mount from the left. I am installing a headlight modulator. Once I know whether the top tab is power or ground, I'm home free. I can do it blind. Don't need a multimeter, don't need tools to remove the mid-fairing or screen. Just plug and play, with a few wire ties in strategic spots. Put it another way...There are 3 female spots on the plug: 2 horizontals and one vertical (which I believe is blank). Which one is the power side? Can anybody tell me WITHOUT using the word "multi-meter" or its equivalent?

FWIW, I may actually own a functioning multi-meter, but everything I own is in shipping crates except for a few carpenters' tools, some really ****ty screwdrivers, and a haphazard assortment of drill bits. I am unable to access anything else until my kids come and get all of their stuff out of my shed. This is why I'm asking. Otherwise I wouldn't endure this level of embarrassment.

Thanks, truly though, for ALL your efforts. :huh:
 

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BarryEss,

I wish I could help you, but I can't. I do however, find your replies to others' posts quite amusing...thanks for some chuckles... :)

In an attempt to offer some assistance, I decided to look at the 2007 service manual. I didn't get very far before realizing I couldn't make much sense of it all. The electrical diagrams weren't helpful to me and the pictures didn't have any these things labeled. I wonder though if the bulb can be placed in the housing with either end up, or the connector attached in either orientation thus making it so that either the ground side or the power side could be up and the only way to know would be to look at the wires (or test with a volt meter) as others have suggested. Maybe this is why the other replies didn't meet your criteria? I don't know, just thinking out loud really...

Sorry I wasn't able to provide a simple answer. And feel free to add me to the list of people who replied with a question ;)

I hope you find your answer soon...:goodluck:
 

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Yeah the top lug is the ground for both high and low beams. Ground wire is usually black with yellow tracer, as mentioned by twowheeladdict... Bulb will still work if wires are reversed.
 

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Does feeling superior feel good? LOL :thumb:

After years of being a complete moron, these are the thoughts I have! :D

BarryEss I'm with BaileyMan you cracked me up!
 

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Discussion Starter #12
Hallelujeh!!!!

Yeah the top lug is the ground for both high and low beams. Ground wire is usually black with yellow tracer, as mentioned by twowheeladdict... Bulb will still work if wires are reversed.
Invader,
I am in the digital presence of greatness. My wife, a college instructor, says that any shlub can teach a bright student, but it takes a REAL teacher to break it down so that the slow ones can can the picture. Thanks for helping me back on the short bus with a CLEAR, SIMPLE ANSWER. You ARE superior. Should we ever meet in person, I owe you a decent beer or three.
Thanks again,
BarryEss

:thanx:
 

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Wherever you decide you're going to splice in the modulator, take each wire and touch it to someplace on the frame or known ground. If it sparks and blows your fuse, that is - I mean was - your hot wire.
 

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So... now that you stipulated that you have a 3-pin connector...
generally speaking a 3-pin H4 connector has a | _ | type of pin layout can be used for a 2-pin H7 bulb.

Using the pin layout "|_|" convention as it is hard to represent the "-" at the top with characters!

Left "|" is High Beam +'ve,
Bottom "_" is Low Beam +'ve,
Right "|" is earth -'ve

Just take a look at these images: (most of the Pic show the socket rotated so the "_" is at the TOP.
http://www.google.com.au/search?q=h4+plug+earth&safe=active&client=firefox-a&hs=lt6&rls=org.mozilla:en-US:official&channel=sb&source=lnms&tbm=isch&sa=X&ei=8NkLU83EBNCZkgWEh4GIDA&ved=0CAkQ_AUoAQ&biw=1428&bih=819

Now what is actually wired up to our headlights, is 2 wire in a 3-pin H4 socket using only the | and | positions are used.
If we are using common H4 wire pinouts we can assume that the Left side "|" is +positive if the "_" is at the bottom (wire not used), Right side "|" is earth -'ve.

Again... this is convention so you still have to check in case it was wired opposite to convention!
You always have to check!
 

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Dang Barry, one might think you a troll.

Morons (or humble people that understand they may not have requisite knowledge) actually appreciate any helpful advice, even if it asks another question or creates a quandary. I know you're far from a moron, but if you come here asking questions, you can't be too picky of the response.

I've been here about a year, and can tell you there are several very helpful people here. If you don't think you'll be satisfied with the form of the answer or want to put such strict parameters on the responses, then consult elsewhere.
 

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we all have to start somewhere and we're not all rocket scientists
forums are a great place to find things out before you break stuff & sometimes the more basic questions lead to items you may never have thought about.
I try not to make all my own mistakes
 
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