I'm going to replace the old 12V and 5V voltage regulators on the breadbin Commodore C64 i got from ebay. I also do some before & after temperature measurements. Timestamps 0:00 Intro 0:25 Old Regulators Temp 2:35 Replacing 5V Regulator 4:40 New 5V Regulator Temp 6:10 Replacing 12V Regulator 7:20 New 12V Regulator Temp 8:45 Conclusion