GirlDriver Sarah: Wow, what a way to get into Stovebolting. I like your truck.
As to you questions I agree with the earlier post. We can narrow it down more you let us know what is on the other end of those lines...if anything, or where they "appear to go".
Welcome to the best truck site worldwide! This is the place. Lots of nice, knowledgeable folks here. Nice place hangout and you stay out of trouble....well, most of the time!!