This is for the live in Paris 1974 video:

https://www.youtube.com/watch?v=Uc26EFI1_nw

G |----------------------------------2-----------|
D |----4(4)-x-4-4-------4-------4--4---4-2---2-4-|
A |----------------------------------------4-----|
E |0-2--------------2-5---00--2------------------|

That's pretty much the whole intro.

There's a fill of:

G |----------|
D |4-2---2-4-|
A |----4-----|
E |----------|

So just listen to the song to get the groove.