Nggghhhhhh cant decide what to do not got much to melt so this is gonna cost. Do I really need to explore when I can sit back in my freelancer with a coffee and let you guys do it for me??!! :D
You need to check exactly how many watts the heated seat draws before you can size a PSU. I hazard a guess that it is quite a few watts - a PC PSU should work as long as you band together 2 or more black and 2 or more yellow feeds (+12v)
Freelancer works even when over thirty Vanduul scumbag fighter pilots try and smash it to bits.
Even when it looks like a giant metal dildo, it still packs a punch!!!