Remove the slate+white wire from the J relay. Leave the wire that goes from this lug to the coil in place. That wire "seals in" the relay. In this game, that wire was brown but YMMV. In place of the slate+white wire, solder a new wire that is about 12 inches long. Note: the other wire on this switch blade pair is brown-white-red but Gottlieb reds fade badly so this can't be seen in the photo.

Next, add about 9 more inches of wire to the end of the slate-white wire that was removed.