I had the same problem when I replaced mine on my Seneca. I had gotten the polarity backwards and the 5-pin connector backwards, also. -So while they 'worked' there wasn't any color changing and they were at a fixed brightness. Once I took them back in and figured out what I'd done wrong, I've been in love with them.
I haven't noticed them helping with bugs, though. They seem to bother us no matter what.
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'14 Jayco Seneca 37fs
20' Look Enclosed Trailer
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