cmackay wrote:
Does anyone have a wiring diagram for converting an old tractor wiring
system from 6v (dynamo) to 12v (alternator)?

Boy, are you in the wrong forum. IIR anything, the positive becomes
negative to start with and then you have a big deal with the earth
wires.

There was also something about heat sinks and rectifiers -or was that
just the good old days?