Speedlite Flash

hi, will a canon speedlite 199a flash unit work on my canon eos 1000d camera?

i was told it may fry my camera

Yes it will work. According to this chart;

http://www.botzilla.com/photo/strobeVolts.html

it has a voltage of 4.99V. You are sensible to check though, as old flashes designed to work with film SLR’s often had much [...]