For waterproof LED strip light,on the surface around soldering line area and gently slide in the strip light into the connector body and you’ll feel the connector grab the ribbon;. For non-waterproof LED strip light, just slide in the ribbon and make sure positive and negative poles match; If you feel there is a loose connection, thicken your strip light by adding an extra chip in between and make sure the built-in soldering point touches your strip light tightly.
