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Discussion Starter #1
Made the jump from my 2005 LLY to a 2020 L5P about 6 weeks ago. 5K miles in and I'm pretty impressed.

Only real issue I'm having is that my trailer lights blink or flash intermittently every 30-40 seconds or so when the truck is off. I haul 3-4 different trailers during any given week at work, and my mower trailer on the weekends. It seems the flashing/blinking only happens with some trailers, not others, but if it happens once with a trailer it happens everytime its hooked up.

I know I've read other posts on the topic, but can't seem to find them now. Is there a solution to this?
 

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I believe that is a normal feature of the truck. It’s a part of the trailer anti-theft system. It pulses the trailer lights to check for load. The idea is if someone unhooks your trailer, it’ll notice the lack of current draw and trigger the alarm.
check your owner's manual
 

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Discussion Starter #3
Thanks for the tip. Hopefully there is a way to shut that off...
 

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