Thats why I have the Optima Orange Top. I tried to put the red in and found the same problem. DO NOT try to spin the battery around so that the posts are on the right side, they will be too close to the front of the car and may damage the hood when you close. I think Baco found a reverse pole location....Although he is a bitish car guy so He may have switched the electrical systmes polarity or something.....Just kidding Baco!!
I know there is a reverse pole style on the oranges and even still I had to move the battery to the back of the tray and as close to the engine as possible.
Good luck!
