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not that his isn't something you already have (should be in your Bentley) but this is the wiring schematic for you car, I'm not sure why the combined the two wire connectors into a singular one like your car has but the red with white stripe (positive) and brown (negative) your two wires. if you don't see any voltage there then I suspect it has to be the EKPS (fuel pump control module) that is bad. for a sanity check I would disconnect the connector at the EKPS and check continuity with the wires just to make sure there isn't a break or short in-between. Something else you can try (not that I really recommend this) is to put 12V from another source on the red/white wires and brown wire then try to start the car to see if it starts, if it does you'll at least know your pump is good. voltage is supposed to be 12.6V so something close to 12 should work. though beware of amperage, it is only supposed to be between 8-13 amps, too many amps and you'll cook it or worse, not enough and it may not work
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