You are correct.
One thing, I checked the wiring in Bentley, the power window and fuel pump were the only relays with a coil energized continuously while the car is running, so those two can be compared against each other in terms of warmth to some degree maybe, as the coil resistance may not be equal and the pump does work constantly, so not equivalent either.
Since there is no unexpected current draw, the next step would be to swap in another relay and check if the temperature and the coil resistance are roughly the same.
Phil
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