Using this replacement solenoid is easy. First, make sure your BRP-OMC or Evinrude E-TEC engine is turned off. Then, carefully remove the old solenoid and install the new one in its place. When installing, double - check that all connections are secure. Remember, this product comes with a 12 - month part and labor warranty, but it can't be returned to the original purchase point. If you have any problems, contact the manufacturer right away. For maintenance, keep the solenoid clean and check the connections regularly. Avoid exposing it to extreme conditions as it may affect its performance.