I meant the long skinny partWell i just picked one up and had the same problem. All i did was hooked the hook part around the trigger, not sure if its right but it works. Ill try to get you a picture.
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You mean the pin that holds the trigger in?Judging from the IPL, the hook on the spring goes over the throttle rod and the flat end butts against the top of the handle. I seem to recall it that way when I had one apart as well.