Further help in relay location. Below is image of Aero Plus 8 electrics box under bonnet, yours will be similar.

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More here. The fuel pump relay will likely be one of the bank of light green ones labelled "25".

Fuel pump fuse is F37 20amp in block of 29 as displayed on electrics box cover of Aero S1 below.

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Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone