ChevyCatechumen

Hello folks, I have a 2001 Chevy S10 ZR2 Automatic. I keep blowing the Oxygen Sensor fuse under the hood. I unplugged all three O2 sensors and still blow the fuse. I tried to trace the wires as best I could and don't see any immediate evidence of a break or short, but I can't actually get to all of the wires without removing them from the truck. Before I do that can anybody tell me if any other components share the same fuse as the heated oxygen sensor?

Oh yeah, one other thing, the fuse doesn't blow immediately, it ONLY seems to blow after I drive around the block. I can't get the fuse to blow any other way.

Please help!!

Thanks!