How to Run Fog Lights on Parking Lights

by Robert Moore
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fog lights on suv image by Kathy Burns from

After market fog lights can be wired to turn on and off with the parking lights, eliminating the need for excessive wire and the installation of a toggle switch.

Step 1

Disconnect the positive and negative battery cables using the wrench set.

Step 2

Remove any protective wire loom from the parking light wires and locate the positive wire for each parking light. Strip back the wire coating about one inch with the wire strippers going to each parking light.

Step 3

Twist the positive wire for the fog light to the positive wire for the corresponding parking light on that side of the vehicle. Repeat for the opposite side.

Step 4

Secure the twisted wires by soldering the connections with the solder gun and solder. Wrap the new splices with electrical tape to prevent any electrical shorts.

Step 5

Connect all the wiring to the fog lights, and install the fog light ground cable to the negative battery post. Reconnect the vehicles positive and negative battery cables using the wrench set.

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