we've had a problem with the battery dying when it's hooked up so this afternoon my dad and I put it into repair mode to hopefully keep the battery charged and stuff. but when it was done with that it wouldn't turn over or even make any noise indicating it was trying. in not sure if it's the...

So im having a problem with my car and i know its this plug in that has to go somewhere but where does it go? Intake? Because i got a aftermarket.. please help i need to know what this is and where it connects! Thanks