Using this outboard solenoid is easy. First, make sure your Mercury or Force outboard is turned off. Then, carefully remove the old solenoid and install this new one in its place, connecting the wires correctly. Remember, this product can't be returned to where you bought it. If you run into any problems, contact the manufacturer right away. To keep it in good shape, check the connections regularly for tightness and cleanliness. Also, store it in a dry place when not in use. With ARCO's 12 - month warranty, you can have peace of mind using this solenoid.