Hey there – I just read this and had a similar problem about a month ago with my snow blade relay system. I know that sounds odd, but the point is that when I crawled under the dash I managed to tighten the main bus nuts on the main power strip - Due to all my tinkering they had worked loose. I simply tighten them, and all of the gremlins went away. There are 3 - And you have to remove a small plastic cover to access them. This is where you would tie in accessory lighting, etc. and things that you want to add to the vehicle. One post is a common, One is a constant power, and one is a key-on power. Good luck. I hate this stuff, but it seems like it was my own fault and I was lucky to find it. – Mark