Added a .01+10 cap at input and output still gets hot, yes 12V input. Can I just plug a second 7805 in?. Bruce | > The 7805 is really hot after just seconds, I've checked my wiring a | > jillion times, ans still that way. | What are you running for a de-coupling cap(s)? The 7805 just may | be going into oscillation. What is the input voltage? Just 12 volts | I assume? | Scot Sealander