i done this once.couple of ways to do it.where the relay goes in to. i.e the base with the wires under it to simplify it.if you have test lamps when you put the ignition on there will be a live.make a small cable loop and put the live to another cable.cant remember which one tho as i havent looked at a base in ages.you should hear the pump.other way is as said above.from battery to pump but personally id do the first one.years ago i did it so its a bit vague.hope this helps atall mate