LED running lights can be an attractive addition to the exterior of your vehicle. Running lights are built to operate on 12-volt DC power and are wired to the car's electrical system. A typical system will have a set of two insulated wires, one coloured red and the other black, that you will need to connect to the car's electrical system.
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Things you need
- Wire cutters
- Wire strippers
- Fuse tap
- Crimp tool
- Drill with 1/8-inch bit (optional)
- Sheet metal screw
Cut the wires to length, if necessary. Route the red wire to the fuse box of the car and the black wire to a grounding point--usually a piece of bare metal will work well for this. After you route the wires, cut off any excess wire you won't need. Where and how you route the wires will depend on where the lights are mounted and what type of vehicle you have. Since the fuse box is in the car, usually under the dash, you will probably need to unscrew the scuff plate by the door and roll the carpet back. This will let you run the wires under the carpet until you can route them underneath the dash. You will need to examine your particular situation and use a little creativity.
Using wire strippers, strip ½-inch of insulation from the ends of each wire.
Slide the end of a fuse tap onto the bare end of the red wire. Using a crimp tool, crimp the end tightly onto the wire end.
Insert the fuse tap into an open fuse slot of your car's fuse box. If you don't know where the fuse box is located, consult the owner's manual.
Drill a 1/8-inch diameter hole through a metal surface of the vehicle. Choose an area that is out of sight. You don't need to do this if you can find a bolt or screw already on the car's metal surface that you can loosen. Be sure the area you choose is free of paint or other coatings.
Wrap the bare end of the black wire around a sheet metal screw and insert it into the hole. Tighten the screw with a screwdriver so it holds the wire firmly against the metal.
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