How To Install LED Light Strips In A Car Diagram showing typical locations for the LED light strips in a car interior. Great locations are under the dashboard for the front 2 and either on the front or rear of the seats. Use the light strips with longer length cables in most cases. Ideally, you’ll install your light strips (assuming you have 4, Installing LED Lights in your Vehicle | Offroaders Installing LED Lights in your Vehicle. In the diagram to the right, the “R” is a 470 or 560 ohm resistor, either will work for the common LED requiring 2 volts. Wiring LED Lights. The LED has two leads and they have to be wired in a specific way. Free Wiring Diagrams - No Joke - FreeAutoMechanic Free wiring diagrams for your car or truck. Including lighting, engine, stereo, You still need to fix the problem that led you here in the first place right? The sample wiring diagram to your above will help you be able to read and understand the description locations on each wiring diagram.