Originally Posted by
stealthperf
I know this is an old post but it sure made my life easier when I read it.. Just switched cam and sensor on my 04 Silverado and had a hard start issue. I got the code for cam sensor so the extension harness was the first thing I checked. Thanks to this site I saw the two outside wires were inverted. Switched the wires and now it fires right up just like it did when it was stock. Thanks to everyone that took the time to post on this topic.. Big time saver. Cheers to all!