7Just had a quick look at your regulator from what I see
E earth
D dynamo output
Wl warning light/ generator run light
F generator field
B battery and ammeter
To check warning light operation connect a power source to the wire, using a power source with a fuse inline, this will prevent damage if the circuit is wrong.The light light should go out on the dash if you have the correct wire.
A1 should be from ignition switch to regulator in the old system and warning light
A ammeter
I have included a wiring circuit to cross reference it may help it is from Lucas wiring training course.
http://www.rjh-heritage.ch/index_htm...%20Service.pdf
The second is from the Dynamo and Regulator testing document which has your new regulator in it.
Testing a Tractor Dynamo and Regulator
Hope this helps Gippy
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