Originally Posted by f1100turbo
Not true at all!
Leds have the potential to "trick" the newer trucks into believing there is a burned out light.
There is such a low amp draw on leds that this makes it possible.
This is true when changing the tow vehicle lights to LED. It should not be the case when switching to LED on a trailer.
When towing, a trailer simply "adds" load to the tow vehicle lighting system, so if you have a trailer with LEDs, you are simply adding "less" load than if the trailer had incandescent lights.
I switched my cargo trailer of to LEDs, works fine when towed by a new Jeep Wrangler, 2006 Silverado, as well as a 2009 Silverado dually.
I've not seen a tow vehicle that had the capability to monitor and sense how much (or little) electrical load was applied by adding a trailer.
This is what I converted one of my cargo trailers to: