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my D90 built in flash wont fire.. I followed this video for a Nikon D60 https://www.youtube.com/watch?v=xh-jPM49..., however the inside of the D90 is quite different, https://www.youtube.com/watch?v=xh-jPM49... there are connectors inside i tried to connect together and the bulb started working fine but the trigger spring stopped working. They wont work at the same time. The flash will fire while it is closed and make some burning smell. Any help is much appreciated,

Oh just found this video, and it helped me fix it:) https://www.youtube.com/watch?v=0lxN_n3z… I hope it helps somebody with the same problem