This is a BASIC information based thread for changing your standard headlights into dual bi-xenon.
First things first.. the basics.
a relay is a device used to connect up a power supply or connection indirectly.
here is your basic relay:
this is what the ppins look like on the bottom and their typical numbers:
Now if this is new to you, listen up as here is the important part..
here is a diagram showing how these parts connect up inside the relay case:
EXPLANATION - When power is supplied across pin number 85 and 86, the electromagnet (the box with the diagonal line through it) makes the little arm change from connecting 30 - 87a to 30 - 87.
but when the power is cut off from 85 and 86 the arm springs back to its original position of connecting 30 - 87a.
Now the reason we use a relay in this project is because the Ballasts which power the Xenon bulbs require a lot of instant energy when initially warming up the bulbs and so to prevent the ballasts from melting (potentially) your standard wiring we use a relay so we can connect it straight to the battery (see the diagram at the end).
So if anything does go wrong, your bike's wiring will be safe.
And just to be extra careful we have even put an inline 30A fuse.
Now moving onto the next part
These come in all shapes and sizes, too many to mention. The above ones are Matsushita Ballasts with the connector to attach to a D2S bulb.
You will also notice there is another connection plug there, that is where the wiring from the battery is connected.
Now this is a D2S bulb, or more specifically a Philips 85122 bulb.
This is a proper HID bulb (not the cheap aftermarket ones you get which have a base similar to a halogen bulb)
Notice the round base, this fits perfectly with the matsushita ballast.
This bulb will give you a 4300K colour temperature... again bulbs come in different colour temperatures.. but 4300K is used by manufacturers all over the world and has been tested and recognised as the perfect road colour for on the road (the most white without looking blue).
Now the fun part.
This projector is different from all the other projectors.
Inside every projector there is a shield, a piece of metal that runs across on the inside of the projector... This is what gives you that sharp flat cut off line you see on the road. (also the shield is also responsible for the blue flicker you see on HID lights ).
Now a bi-xenon projector has a shield, but the only difference is the shield moves.
It moves up and down to expose more/less of the projector which gives you, your high beam and dipped beam
look at the following pictures and you can see the shield in the middle of the projector moves down:
How this moves up and down is by the use of a solenoid, this is an electromagnet that works the same as a relay only this time its moving a bit of metal in the projector:
Now the diagram:
Ok i'm going to post up the picture I have made to describe how the wiring is done then i'm going to explain it... so pic:
Ok, now from the beginning.
The battery is connected to a 30A fuse... this is to protect the circuit from surges and anything that might go wrong, so nothing is damaged on the bike.
The fuse then lead to a relay, this relay is powered by the headlight connection.
So this means if your headlights come on (when you turn on the engine) the relay will connect the power from the battery all the way to the ballasts (one for each headlight) and without interfering with the standard wiring.
Also you will notice that the relay also passes the power to another relay..
This is then powered by the high beam (flash) connector.
so when you flash / put your high beams on this will connect the power from the battery through the first relay and onto the solenoid of the projector (note you will have to connect this to both solenoids... I have only pictured one).
so a quick run down, when you headlights are turned on the ballasts will turn on
when you flash your lights the solenoid will move as to produce the high beam patter from the projector.
As said this is a basic set up... You can change what products you use and how you wire them up.
I've very good with electronics and stuff and I could make a little module with the 2 relays and the fuse in it and it would be no bigger than the size of a packet of cigarettes.
If you have any questions feel free,
Otherwise, I hope this helps anyone wishing to do this mod.