OK, the time has come to finally bite the bullet, and swap the old dynamo out 
for an alternator.
 
I would not bother, as I find the water pump bearing lasts longer with a 
dynamo, as the load on it is less.
 
However, the dynamo is U/S, and I've just added an auxilliary electric push 
fan, to help cope with global warming, which worked like a treat on the Le Mans 
trip. The fan draws 10 Amps, so could not run all day, without the dynamo 
struggling to keep up.
 
Plus which I don't have a spare dynamo, but I do have a working alternator from 
an SV.
 
I have all the bits, including the bracket and the external diode pack, plus 
the wirning between the two components.
 
Now what I don't have is the wiring diagram for the SV, so haven't a clue which 
of the rat's nest of wires from the control box I need to retain, and where to 
connect to on the diode pack.
 
Anyone have an idiot's guide for this conversion?
 
Julian.
 
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