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Miller D6 Dynamo/Lucas Regulator Wiring

Pharquarx

Well Known and Active Forum Website User
Non-VOC Member
Spent the weekend installing the new wiring loom that I got from VOC Spares on my 1950 Comet. The fit is excellent and even though the wiring diagrams and instructions and the references that I have (Richardson, Riders Handbook, et al) seem to be contradictory, I think I figured out this MES (Mysterious Electrical Stuff), at least for the front of the bike.

When it comes to the Miller D6 Dynamo and the Lucas Regulator, I am not so sure. The Dynamo has two terminals under the end cover, labeled D and F, not three as shown on the wiring diagram in the references. I wired these two outputs to the D and F terminals respectively on the Lucas Regulator. On the Lucas Regulator, there are four terminals, labeled D, F, A, and E. D and F we discussed previously, E I assume is for ground (earth) and A is, I am assuming the output from the regulator to the bike's electrical system. This is consistent with the home made loom that I removed.

Am I ok with this?

Thanks,
Charlie
 

john998

Well Known and Active Forum Website User
VOC Member
Hello,
Yes that sounds good. I take that the Miller dynamo has been converted to Lucas, a very good mod. Regards John.
 

Pharquarx

Well Known and Active Forum Website User
Non-VOC Member
Ok, this is what I found, and firstly, thanks for the posted and private message inputs, you guys are great. The Miller dynamo has been converted for the Lucas Regulator, glad to hear that is a modification in the right direction. In "Know Thy Beast", way back in the back of the book in Appendix IV, the answer is, under paragraph 18. I will now refer to this as MBES (Mysterious British Electrical Stuff).
Looks like I have done it right, will fire it up in about two weeks and onto the California roads in this beautiful weather we are having.
Thanks again.
 

Bazlerker

Well Known and Active Forum Website User
VOC Member
If I may be so bold...
When you get it working properly..start saving up for an Alton..I converted my Miller and purchased a JG unit 25 years ago...and since then I have purchased and used a number of conversion units with varying degrees of success... Recently I realised that over the last 25 years I have not had one riding season where the lights worked for the entire season. I will be the very first to state that electrics confound me and that most of my problems are self-inflicted...but the simple facts are that we are dealing with equipment that was at its best 55-60 years ago...Technology has come a long way. The Alton is magnificent kit and its reputation is stellar.
 

Pharquarx

Well Known and Active Forum Website User
Non-VOC Member
Thanks for your input, however, I am not familiar with an Alton. Please expand on this, I am very interested.
 

lindie

Well Known and Active Forum Website User
Non-VOC Member
If I may be so bold...
When you get it working properly..start saving up for an Alton..I converted my Miller and purchased a JG unit 25 years ago...and since then I have purchased and used a number of conversion units with varying degrees of success... Recently I realised that over the last 25 years I have not had one riding season where the lights worked for the entire season. I will be the very first to state that electrics confound me and that most of my problems are self-inflicted...but the simple facts are that we are dealing with equipment that was at its best 55-60 years ago...Technology has come a long way. The Alton is magnificent kit and its reputation is stellar.


out of interest, do the altons or mcdouglators come in a form also applicable to my 3.5 inch dynamo 49 model cases or am i stuck with a eccentric sleeve cradle as the mounting option?
 

Bazlerker

Well Known and Active Forum Website User
VOC Member
The Alton is a 12v alternator...90 watts...I like the "look" of the unit which is very very similar to a Lucas or a Miller...They are not cheap...but they do work..There are a number of 12v alternator units out there..VOC spares sells the Alton..
 
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