Under the bonnet on the driver's side, right down at the bottom of the crankcase is an electrical cable attached by one or two bolts (there are different models). Follow the cable up, typically about 9-12 inches long, to a clip fastening (mine is under the throttle linkage but may be different on your T16 engine). Simply press the sides to unfasten the clip then re-insert it. I suggest if you can't find it have a look on the web for a picture of a crankshaft position sensor with the integrated cable it comes with for the T16 then you'll see what it looks like.
