I just used Sylvania 2721 bulbs. They say 6.5V 9.8W on the package but I noticed the bulb says 12/1.2 Does that mean 1.2W on a 12V system? I hope they last. They work great right now. Thanks for the step by step my wife loves her stereo again. Let me know if you think the bulbs wont last. They barel...