How to Install a Rear Fog Light

Written by philippa jones
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How to Install a Rear Fog Light
Fog lights are bright white lights on the front and back of a vehicle. (car light image by bright from Fotolia.com)

Fog lights emit a bright beam of white light that makes driving in certain weather conditions easier. The light is brighter than headlights in order to penetrate through fog or heavy rain. Installing a rear fog light can be achieved within a couple of hours, provided you have the right equipment and knowledge of how to handle the task.

Skill level:
Easy

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Things you need

  • Electrical tape
  • Fog light and wiring
  • Flathead screwdriver
  • Pliers
  • Soldiering iron
  • Ratchet

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Instructions

  1. 1

    Lift up the bonnet of the car and disconnect the car battery. Remove one of the wires connected to the positive or negative terminal. This is a safety precaution so that you avoid electrocuting yourself while installing the rear fog light.

  2. 2

    Locate the fuse box in the car and cut the fuse block wire in half. Refer to your car's owner's manual to find the box if you cannot do so easily. It may be located under the steering wheel or hidden behind a door panel.

  3. 3

    Solder the fog light wire to one of the exposed wire ends and then wrap it with electrical tape for protection. Reconnect the other wire to the fuse box.

  4. 4

    Remove one of the fuse switches from the fuse block and feed through the fog light wire. Choose a disused fuse that will not affect any essential equipment in the car, such as the stereo.

  5. 5

    Replace the fuse plug that now connects to the fog light wire.

  6. 6

    Run the fog light cable to the rear of the car. Hide it underneath the carpet, behind the door panelling, or simply attach it to the top of the door frames and then run it along the underside of the roof of the car. Secure it in place with electrical tape.

  7. 7

    Feed the wiring through the back seats. Lift up the seating and push it through any gap that leads into the boot of the car.

  8. 8

    Remove the panel off of the rear car lights with the ratchet and then open the boot. Pull the fog light wire through to where the rear lights are fixed. Do this by removing any panelling that hides the light fittings inside the boot of the car.

  9. 9

    Attach the fog light fitting to the exposed wire. Position it in a suitable space and then reattach the rear light housing.

  10. 10

    Reconnect the car battery to supply the car with power.

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