Where is the 2009 Honda shadow aero coil located?

probably under the fuel tank in between the cylinders. but look at a service manual! also, you should be able to trace the spark plug wire to it. um, not to be a jerk, but if you don't know how to find it you might want to have a thought as to whether you might do more damage to the bike than good if you don't know where to find it / what it looks like. it is VERY rare for ignition coils to go bad.... there are no moving parts. just my 2cents