Author Topic: Son Edelux - powering a rear light?  (Read 357 times)

Dave_C

  • Trying to get rid of my belly... and failing!
Son Edelux - powering a rear light?
« on: June 26, 2020, 11:43:16 pm »
I bought a lovely S/H Son Edelux from that nice Paul H chap.

My other dyno lights have been B&M which have connections on the front light for a rear dyno light.

Is there a hidden output from the Edelux or do I need to wire both front and rear to the dynamo output?

Cheers. Dave C

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@DaveCrampton < wot a twit.
http://veloviewer.com/athlete/421683/

Re: Son Edelux - powering a rear light?
« Reply #1 on: June 26, 2020, 11:59:28 pm »
There’s a tiny recessed output prong hidden in the underneath of the lamp.

The other half of the connection comes through the bracket itself. I believe if you buy a new one SON supply a blade terminal that attaches to the bracket screw. If you don’t have this you can attach the wire by any means you have.

(Mine is connected by wrapping a strand of slightly thicker copper wire around the bracket wire itself, which is one of those “temporary” fixes that’s still going years later)

quixoticgeek

  • Mostly Harmless
Re: Son Edelux - powering a rear light?
« Reply #2 on: June 27, 2020, 12:39:38 am »
There’s a tiny recessed output prong hidden in the underneath of the lamp.

The other half of the connection comes through the bracket itself. I believe if you buy a new one SON supply a blade terminal that attaches to the bracket screw. If you don’t have this you can attach the wire by any means you have. Mine is connected by wrapping a strand of slightly thicker copper wire around the backer itself.

Yep, this is what I have. If it's of use, remind me in daylight and I'll get a photo.

J
--
Beer, bikes, and backpacking
http://b.42q.eu/

fuaran

  • rothair gasta
Re: Son Edelux - powering a rear light?
« Reply #3 on: June 27, 2020, 02:35:38 am »
If you wired the rear light directly to the dynamo, you wouldn't be able to switch it on or off. It would just be on all of the time.
And might damage the rear light, if it gets high voltages direct from the dynamo. Though modern lights should have some sort of overvoltage protection built in.

Re: Son Edelux - powering a rear light?
« Reply #4 on: June 27, 2020, 07:37:00 am »
I bought a lovely S/H Son Edelux from that nice Paul H chap.

My other dyno lights have been B&M which have connections on the front light for a rear dyno light.

Is there a hidden output from the Edelux or do I need to wire both front and rear to the dynamo output?

Cheers. Dave C

Sent from my HD1913 using Tapatalk


Re: Son Edelux - powering a rear light?
« Reply #5 on: June 27, 2020, 08:55:13 am »
I'm glad you like the light, I'd always run it with a rear attached and the connectors are unobtrusive and sturdy.
This is the purpose made part you can buy:
https://www.sjscycles.co.uk/dynamos/schmidt-coaxial-cable-for-tail-light-inc-overvoltage-protection-190cm-long-plugs-fitted-black/

Though it's only a spade and ring connector on a cable so I've never bought one complete.  If you have some cable, the connectors cost something like 50p from any decent electrical store.

Dave_C

  • Trying to get rid of my belly... and failing!
Re: Son Edelux - powering a rear light?
« Reply #6 on: June 27, 2020, 09:25:10 am »
Thanks all, I have everything I need. The pin looks like it will connect to a small Shimano spade connector. My rear light has plenty of coax and I have lots of standard crimp connectors.

Dave C

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@DaveCrampton < wot a twit.
http://veloviewer.com/athlete/421683/

Re: Son Edelux - powering a rear light?
« Reply #7 on: June 27, 2020, 10:29:48 pm »
The Edelux power out connector is the same 2.8 mm female spade as B+M rear lights use, along with either a ring or just bare wire around the mounting bolt.
The main thing is that the female spade has to have good heat shrink insulation, as it will just short out against the light body otherwise.

I use this version of the pre-built wiring loom - no over voltage protection (which isn't generally necessary), but does have all connections properly crimped and heat shrunk.