If the installation is not too complicated and does not require a professional technician to do that, you can do it on your own.
Check the installation time and cost
Make a research of the installation process and the cost of replacing the lights. If the price is not much higher than just buying new trailer lights without installing them, then better is to let professional service take over the total installation of your trailer lights.
Source: www.itbrief.co.nz
In any case, some trailer lights require special equipment, not only a screwdriver and pliers. In that case, you like it or not you have to take your trailer to a technician to make proper replacement of your trailer lights.
Compare LED and Standard Lights
We are now living in a digital era and when every industry has made a step forward when it comes to technology. It is same with the trailer lights when automotive industry made a step from regular lights to LED lights. The reason is that the LED trailer lights are more reliable and long lasting
Source: www.superbrightleds.com