Originally Posted by ABDow

Thanks for the explanations re the relay and the fuel pressure regulator. Graham the relay is bolted under the ECU and 'upside down' - that is when I get under the car to pull down on the female part of the relay, it comes away exposing the four fixed 'male' pins which point downwards. I can also pull a plastic cap off the back of the female part of the relay which exposes the four wires leading into the four holes, which BTW are numbered 1 - 4. At the risk of asking a very dumb question, where should I be looking for the diagram?