I don't know what the final form will look like in terms of wiring, but my 
understanding is that the upside down housings will now be grounded. 
Version 1 upside down units were not grounded through the housing and 
required the braided ground conductor of the co-axial cable for ground.  If 
the new grounded housing allows use of the braided conductor for the 
taillight, they can get away with the same single 3mm co-axial cable that 
they've been using; no need for a third conductor for the taillight.

Before version 2, there was a clear design deficiency in the upside down 
version in that there was no taillight control. For the <1% of cyclists 
with the good fortune of having a custom stem-mounted switch, this obviated 
the need for taillight control to be built into the headlight.  But for the 
rest of us, it was a clear problem. Enough of a problem that I had a lot of 
people coming to me to reverse-engineer their upside down Edeluxes to 
re-introduce this functionality, which I was able to do simply by replacing 
the co-axial cable with tri-axial cable and a little bit of micro-surgery 
on the circuit board (which had the taillight output circuit still there 
but unused, waiting for a wire to be soldered to it). I still do not 
understand why Schmidt did not use this type of wiring all along to allow 
the >99% of cyclists buying the upside down Edelux to be able to control a 
taillight without some type of external switch.

Anton


On Thursday, February 26, 2015 at 12:58:24 PM UTC-5, Clayton.sf wrote:
>
> PJW site says there will be a rear light connector. Will this be on the 
> underside or on top of the light - rain issue? Maybe just a typo?
>
> On Wednesday, February 25, 2015 at 11:31:30 AM UTC-8, Jan Heine wrote:
>>
>> They are already listed, but not yet in stock. ETA is late March. Since 
>> we were the instigator behind the project, we'll get them as well once they 
>> are available.
>>
>> Jan Heine
>> Compass Bicycles Ltd.
>> www.compasscycle.com
>>
>> Follow our blog at http://janheine.wordpress.com/
>>
>> On Wednesday, February 25, 2015 at 6:47:49 AM UTC-8, lungimsam wrote:
>>>
>>> Clayton, Peter White Cycles says they now have the upside down edeluxe 
>>> II. There are two models of it.
>>
>>

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