89 560sl fuel pump relay bypass

[r134]

Ok, from searching the site I believe the fuel pump relay is behind the glovebox. There is a cluster of 3 black relays, the one i want being the left rear one. Now how do I bypass it so that I can run the fuel pump without the engine running? I can barely get my hand in there and don't think i'll be able to see the socket. Does the socket move or is there another place I can bypass the relay? Please someone help me figure out how to do this properly.