Advance Delivery Pump The electrical fuel pump is located inside the fuel tank in the left hand side of the tank. The pump transports fuel from the fuel swirl pot towards the "engine" and operates the syphon jet pumps in the left and right sides of the tank. Both syphon jet pumps deliver fuel to the fuel swirl pot in the right side of the tank. The pump is controlled by the ECM via the fuel pump relay. Should the fuel pump electrical connection need to be disconnected, it is imperative that the ignition should be switched off. If the ignition is on in any position the fuel gauge will memorise its last needle position prior to power down. Once power is restored the gauge will display the last remembered position regardless of the actual level of fuel in the tank. This could result in incorrect fuel gauge readings if the fuel tank has been drained and not filled worth exactly the same quantity of fuel that was removed.