As you might imagine, the process of adding HID projection headlights to an older F-150 has many steps, but the OP literally details every little step of the process. We will abridge the thread a bit to highlight the key aspects of the project with a few pictures, but the full thread has dozens of pictures as the OP explains and shows each portion of the retrofitting DIY.
Adding HID projection headlights to your 04-08 F-150 begins with baking the headlights to melt the glue that holds the lens to the reflector assembly. One you have the headlights taken apart, you need to cut the reflector to make room for the projection unit, as it is much larger than the traditional bulb.
You will also need to drill the holes through the reflector for the mounting screws as well as modifying the portion of the projectors that go inside of the stock F-150 headlight assemblies.
The OP also included halo rings, so he walks us through the process of adding those, but F-150 owners who only want the basic projection headlights don’t need to worry about the fancy light trim. However, the halos look pretty great, so we would add them as well.
The last step of the installation process is wiring-up the projectors and for that, the OP recommends that you refer to the instructions that come with the HID kit, but once that is done, it is time to glue the lenses back onto the factory F-150 headlight assemblies.
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