I received my scangauge II a few weeks ago because I had a fault light that needed to be diagnosed. I was always curious about the temperature of the high voltage battery and the temps are higher than what I anticipated. Even after the Prius is parked, not only will the temperature rise in certain situations, it takes forever to cool down. Even after sitting overnight, the battery temperature can still be high. This led me to install the battery blower modification and it works great. Wiring up the relay isn't hard but it was tedious and I was looking for a cleaner installation. I have a production run of 200 PCB's that were never used (never enter into a verbal contract) so I reworked it to install the battery blower modification. The PCB I'm using incorporates a microcontroller so I decided to also use a timer after the Prius is powered down. This allows the battery to continue to cool after I've left the car. The only thing the user would need to do is supply power to the board (-12 and +12), run one wire to turn the blower on and cut the green and purple wires. For lazy people or people who like gadgets, the board has a wireless IC as well so you don't even have to run a wire to the front of the car and you can use a remote control to turn it on and off. I can program the board however you would like if there's something special you want. Not looking for much, just looking to recoup the cost of the parts and the board. The board size is 4.125" W by 2.575 L. It has screw down terminal blocks on the board and makes the installation easier. I'll throw a one year warranty on the board.