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D10 / D14 / B175 - 12 volt conversion wiring diagrams.
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Lone Wolf
The Black Country
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February 18, 2017 - 3:59 pm
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 Wotcha.

As with most things - the simpler the better.

Here's a simple 12 volt, negative earth, wiring diagram.

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Should you wish to add indicators  . . . . 

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^..^

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nickjaxe
Runcorn Cheshire UK
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February 19, 2017 - 7:11 pm
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I see the reg/rec is earthed in your dia LW.

I fitted the modern type to my 6v sys...but was told ne need to earth the unit...which I didnt...should my RR be earthed I wonder?

Sorry to go off the subject.

Nick.

My Bantam video              https://www.you.....jpOFmzRZRI

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Lone Wolf
The Black Country
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February 22, 2017 - 6:03 pm
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nickjaxe said
I see the reg/rec is earthed in your dia LW.
I fitted the modern type to my 6v sys...but was told ne need to earth the unit...which I didnt...should my RR be earthed I wonder?

Sorry to go off the subject.

Nick.  

Wotcha.

Ah yes - it does look like the unit itself is earthed.  It's the negative wire from the R/R that should be earthed ( or positive if you want positive earth )

I'll finish my cuppa and alter the drawing to make it a bit more clear.

^..^

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Danny
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April 25, 2017 - 10:56 pm
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Great diagram Lone Wolf,

Can I use my generic rectifier with this diagram ( the generic eBay one ) also am I right in thinking yours is the bike fitted with toggle and ignition switch  fitted to the Headlamp shell? If so could you point me in the right direction for purchasing a suitable toggle switch 😁

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Lone Wolf
The Black Country
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April 26, 2017 - 2:51 am
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Danny said
Great diagram Lone Wolf,

Can I use my generic rectifier with this diagram ( the generic eBay one ) also am I right in thinking yours is the bike fitted with toggle and ignition switch  fitted to the Headlamp shell? If so could you point me in the right direction for purchasing a suitable toggle switch 😁  

Wotcha.

This diagram is showing a regulator/rectifier - the key word being REGULATOR.   A normal stand alone rectifier will put out well over 20 volts, hence the regulator part which is needed to keep a steady 12 volt supply.

I use a company called Vehicle Wiring Products for most of my components - although the toggle switch I used was one salvaged from work, and the ignition switch was from the local bike shop - cost me about £12 if I remember correctly.

** Please log in to view ** suitable switches.

^..^

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Danny
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April 26, 2017 - 10:33 am
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Cheers,

Lone Wolf I'll look into a regular too then, I'm quite happy with the 6 volt system i just don't like the original switches and mass of wiring in the headlamp shell and the bonus of a key.

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richard hyatt
Shaftesbury, Dorset.
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August 20, 2019 - 12:51 pm
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When I did my conversion , I used Durite rotary switches . Good positive clicks and showerproof. 

From memory about 12 quid each

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Taffwelsh
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February 16, 2021 - 9:35 pm
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Lone wolf, I’ve got D7 frame with D10 engine. Want 12volt neg earth and found your diagram. Brilliant but I’ve got two switches on the headlight units. One for the lights and the other is ignition. I’m confused how I can make that work.  

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Lone Wolf
The Black Country
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February 17, 2021 - 10:28 am
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Taffwelsh said
Lone wolf, I’ve got D7 frame with D10 engine. Want 12volt neg earth and found your diagram. Brilliant but I’ve got two switches on the headlight units. One for the lights and the other is ignition. I’m confused how I can make that work.    

Wotcha.

Funnily enough, I did a wiring job for a friend who wanted to keep the original switches. . . . . so after a bit of messing around with the meter, I came up with this.

^..^

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Stoo63
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February 17, 2021 - 12:27 pm
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Excellent stuff, Wolf! Clear, to the point and fiendishly simple yet clever. The best of all worlds 🙂

 '55 D3 Battery; '58 Square Four (project); '59 D1 direct lighting plunger; '59 Tiger Cub; '60 5TA;  '76 FS1-E; '91 GTR 1000;  '97 Honda Sky SGX50.

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mike p5xbx
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February 19, 2021 - 5:57 pm
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when I did a D14 that had a good wiring harness and wanted to keep the original switches I just disconnected the wires that were not needed

D14to12volt.jpg

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D? - D10- D14 Bantams 350 AJS -500 Triumph http://bsanotru.....lfire.com/

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