Wanting to do some tricky wiring on the Chaly

[binge]

Wasn't sure where to post, here, or Geek section.


Chaly, for some reason I do not know, has never had very stable electrics.
The lights are dim, the headlight almost goes out when I indicate or brake due to the added power draw.

It's always been like it on the Chaly, I've had 3 different engines, 2 looms, and tried a number of regulators.
I've got a feeling it's just not a very conductive frame, giving a shockingly bad earth.

But, I do run it without a battery.


Today, I've fitted a small battery into the wiring system, and it's stabilized the power to a point everything works. So if anything, it's just adding like a buffer.

It also used to blow bulbs a lot, so I'm hoping with a battery in line, it'll stop that happening too.



Now, this is where it gets tricky.
I dont have an ign switch.
I simply have a kill switch on the bars.

I don't want an ignition switch, or key, I'm happy with just running a tidy kill switch.

So of course, once I turn the engine off. All my lights stay on (lights are on permanently)

I had an idea in my mind, which in theory, works, but for some reason, it does not.

Here is a paint diagram, to explain my thought:

https://scontent-lhr3-1.xx.fbcdn.net/v/t31.0-8/s960x960/17212072_443329586018072_233378121614737690_o.jpg?oh=a6810efde0a7de311670bfbd6f488187&oe=592655AC




So my trail of thought.
When the engine is off, the battery is doing nothing, as the relay is open.

Once then engine is started, the reg/rec will feed 12v to the relay, and switch it on.
Which then introduces the 12v battery to the system, stabilizing the system.
As it's connected to the reg/rec via the relay, it'll also charge the battery while the engine is running.


But, when I cut the engine, the lights all stay on.
If I disconnect the battery, the relay clicks off, and then when I re-connect the battery, the lights stay off, as it's an open circuit again.

Once I start the bike, it does the same again.



I cant understand where the power is back-feeding though, as the 12v battery is only connected to the switched part of the relay.


Any help, much appreciated.

[ZebraDriver]

As the relay is closed when you switch the engine off the battery is still connected to the reg/rect and the loop that you have to the coil of the relay will continue to hold the relay closed until the battery goes flat or is disconnected. Perhaps putting a diode in the line to the battery - this will allow the battery to charge but will not allow flow back to the relay.

[binge]

I understand now.


So, what, if anything, can be done?

[garth]

Do you have a small resistor, commonly found attached to the inlet manifold, with a pink wire fitted?

This bit:

https://www.c90club.co.uk/viewtopic.php?f=10&t=20542

What shape and style is your reg rec?
____________________
You ain't a has been if you never was

[garth]

Also if your reg rec is dodgy it can leak voltage. Does it drain the battery if left?
____________________
You ain't a has been if you never was

[binge]

I'm running a YX140 engine Garth, with a 12v system.
Reg/Rec, I've tried 3 different ones now. Currently got an OORacing one.
Stator is a single coil one. I'm thinking about trying a bigger 5-coil one from some of the late YX160s.

No resistor.