[Dave at Pelican Parts]

It's not a really good idea to have all that juice running directly through the foglight switch. That tends to put more stress on the internals of the switch, and can lead to premature failure.

You can try to feel the body of the switch (the part with the electrical stuff in it) after the lights have been on for a while. If it is warm to the touch, you should consider re-wiring things so you use the relay. If it is HOT, you should definitely go with the relay.

In the other fog light post, I put up a link to an article on the fog light conversion. It looks like it takes the high-beam signal out of the fog light circuit.

--DD