I'm far from an expert in this field, but that looks an awful lot like a 3rd part remote start add on. Here's a tear down of one that looks pretty similar in p

I'm far from an expert in this field, but that looks an awful lot like a 3rd part remote start add on. Here's a tear down of one that looks pretty similar in principle: https://www.youtube.com/watch?v=chw__TwMgdI https://www.youtube.com/watch?v=chw__TwMgdI