I understand your concern that some newer vehicles have to recognize that a trailer is plugged into the connector in order for the towing functions to activate. When a trailer has LED lights the power draw is very low, but that's one advantage of LED lights. However since the power draw is so low the vehicle doesn't recognize the trailer and therefore doesn't turn on the towing features.
Another cause could be that the 2017 Land Rover Discovery recognizes the lights being on the circuit... view full answer...
I understand your concern that some newer vehicles have to recognize that a trailer is plugged into the connector in order for the towing functions to activate. When a trailer has LED lights the power draw is very low, but that's one advantage of LED lights. However since the power draw is so low the vehicle doesn't recognize the trailer and therefore doesn't turn on the towing features.
Another cause could be that the 2017 Land Rover Discovery recognizes the lights being on the circuit... view full answer...
I spoke with Dometic and they didn't think the the chirp was coming from the rooftop unit of your # AT15027-22. I recommend removing the shroud and ensuring the compressor and all other parts are completely tightened down and there's not debris possibly in the unit. You should also have a licensed technician check the Freon levels because either too low or too high Freon levels will cause different noises. view full answer...
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