• 50 Series Estima Engine Room Power Retrieve Optional Coupler • This product allows you to pull power from the car into the engine compartment • As with the genuine product, all parts such as car wires, couplers, terminals, etc., are made by Sumitomo Denko and are only used by domestic manufacturers. The terminal crimp is crimped with a press machine similar to the original harness manufacturing. This is a coupler on harness. Installation is only for the coupler removal and removal, so you don't need to cut and interrupt genuine wires without damaging original wiring