Hi all! I am trying to get my LPG sorted out. Previous owner was going to swap out the LPG/Petrol switch into another car, but gave up. He tried to put it back, but couldnt remember the wiring. Can anyone give me some advice on what goes where on the cutover switch?? The bulk of them run from a black box, some go up under the dash and disappear. I gather it is wired into the car petrol gauge as there is no separate gas gauge. It has an impco 225. The switch itself is a three position switch, Gas/OFF/Petrol. Any help appreciated.