powerwire from battery with fuse 6-10 inches away from battery going back either to a distroblock depending how many amps u running if its just one amp for the subs then the power wire goes back to the capacitor + terminal. the ground will be the cars frame paint stripped sanded and cleaned and a star washer used to bolt down the ground wire usually ground it in the trunk somewhere. once you have the power and ground set up on the capacitor terminals the other + - terminals go to the amp + -.