Please. Help me identify this wire and this relay.

Please. Could anyone help me identify this wire? It's a thicccccccc boi. Red with a green strip. I don't know where to connect the cable. One side is connected to this black relay that is connected to the fuel pump relay too... Please. Help me identify this wire and this relay.

Please.
Could anyone help me identify this wire?
It's a thicccccccc boi. Red with a green strip.

I don't know where to connect the cable.

One side is connected to this black relay that is connected to the fuel pump relay too...

Please. Help me identify this wire and this relay.

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