CA18DET and SR20DET models are wired with their ignition signals on different header pins. A jumper is provided to allow correct configuration. Fit the jumper in the S13 position for CA18 engines or S14 position for SR20 engines. If the jumper is in the wrong position there will most likely be no spark or incorrect spark on cylinders 3 and 4.
Set jumper according to the diagram below:
