I'm working on the engine wiring for my US spec 75 XJ12C. I have a LGO wire that according to the wiring diagram would hook into the emission control valve solenoid and switch (252/253 at J12). In the wiring harness, it is grouped with the Kick down switch wire that goes from the throttle down to the right side of the transmission. My current wiring harness goes to the transmission with the GW and LGO wires but it looks like the LGO wire dead ends inside the wiring sleeve before the GW spade connector. My new wiring harness has the LGO wiring going another 9-10 inches past the kick down and terminates in a spade connector. Curious if anyone knows what the LGO wire is for. I'm guessing it was not relevant to US spec vehicles since I have EGRs but thought I would ask.