(...) And the winner is...... C!!!! I put my meter on the outside poles and got nothing. open. I put my meter on the inside poles and found 9M ohms in one direction but 6M in the other ? This means the lights[1] use the same source as the IR (...) (16 years ago, 24-Feb-09, to lugnet.technic, lugnet.trains)
(...) You can see the schematics for the PF lights on Philo's page, to be more precise, here: (URL) (16 years ago, 24-Feb-09, to lugnet.technic, lugnet.trains)