TR
As this is the first time I have tried anything like this I have not set myself too many goals. I would be happy just to light the odd light bulb at this stage.
The site that Alan listed is excellent for a jump off point for me.
If you are so worried about voltage and frequency why not generate 12v DC and put it through an inverter. I have one in my workshop rated at 300w and use it with a motor bike battery to run some 40w lamps. Which is charged from a solar pannel.
12 / 240 volt 1.5Kw invertor Alan
Just pulled out my old "Haynes" for the old sierra I used to have. (Loved that old car) In the wiring diagrams I could not see any feed into the alternator. Only the output is marked in the diagrams, (don’t mean you are not correct) but I will nip down to the breakers yard tomorrow