Do I have to change the wiring harness to use LEDs

I want to put on the trd pro fog lights on my trail edition but not sure if I should use a specific wiring harness has anyone done this on their SR5??

 

You going for looks?

there are far superior options than those for less or around the same price

The LED SAE J583 Fog Pod & Fog Light Review | Tacoma World

 

If you have the factory halogen fog lights then the connections are the same.

 

They will be plug and play if your truck has factory foglamps.

I installed Diode Dynamics Elite series lamps ( in yellow )to replace my TRD Sport fogs. Much cheaper and way better output vs the factory Rigid fog lamp. (Based on thread provided by @Tacospike above)