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I have this tri cycle with one headlight and two taillights and a dynamo [ bottle style ] with a single output wire
the dynamo is 6V/ 3W .
does anyone knows how to wire the lights to the dynamo or a schematic on how to do it ?
thanks
Matea
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There should be a small white ceramic block on the firewall - this component cuts the battery voltage from 12 to 9 volts for the coil and ignition system. It has 4 wires and is called a ballast resistor. You may need a book with the wiring diagram to be able to test it. You should have battery voltage going in and something like 9 volts coming out. You can also run a wire with a fuse from the battery to the positive side of the coil to check the system. Disconnect the factory wire from the coil first.
now if your converting a dynamo to a alternator then no problem ,on the back of a self exciting alternator is two wires to worry about ,firstly a big thick wire directly from the alternator to the large + terminal on the back of the alternator to the battery + terminal then as a self exciting alternator this alone will charge the battery like a lucas ACR type and the small wire from the dynamo which is the warning light control can be connected to the small terminal on the alternator with no modification.Now later types are controlled by the cars ECU unit so these type are not suitable but older cars from the early 90s will convert and be usefull with no problem any alternator with a output exceeding 30amp will suffice for a older vehicle that was a dynamo as most were 25 or 30 amp output and limited current usage like 45/55 watt headlight bulbs compared to modern cars so this conversion is relativly easy but if your really good reduce the size of the pulley used and a different V belt to accomodate so its charging on idle .Yes i fully aware that the pundits will say that you need a relay and a fuse and whatever but it will work perfectly ok when done simply this way you can always push start the vehicle as the alternator will start to produce current so long as a ignition light lights up this is enough to get you going ,well with a proper car with a manual gearbox you can anyway
most newer bikes have a fuse on the selenoid itself. if not check the fusebox for bad fuse. also the kickstand switch will not let the bike start in gear with the stand down.
what did you mean by single 3 phase? single phase motor have two wire output 110-110, 3 phase gen have 3 wires 110-110-110. if only two wires here ,this is single phase, all appliances are only single phase so you can connect it here, except some 3 phase motor or dynamo. the ac current has no polarity so you can connect to it all kinds of load depends upon the amperage of of your turbine generators
Make sure that you do not use a 12v charger on a 6v battery ... regardless of any adaptor!
This is a common issue that can be solved if you are a little 'electrically minded': get two different colour coded cables with alligator clips on both ends and using a multimeter check that the positive output of the charger is 'clipped' to the positive terminal of the battery terminal (usually use a 'red' cable) and do the same for the negative parts (using a 'black' cable). To minimize potential issue with a short circuit, I would suggest connecting a low wattage old 12V car bulb (3W recommended) in series between the positive output of the charger and the positive terminal of the battery: this will also limit the current load.
Charger +ve <clip>------<clip><Bulb><clip>--------<clip> +ve Battery
Charger -ve <clip>-------------------------------------------<clip> -ve Battery
The bottle dynamo rides against the tire turning it . The wires from it go to the front liht. The same two wires may also be hoked to a back light. The direction of flow is not that important but most put the same (one of the two ) wire on the center connection. If you generator has only one wire, then the light(s) will have to be grounded through the frame.
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