Most electronic ignition systems instructions will tell you not to mount the coils near to either the trigger unit or the "black box". The reason is that the magnetic flux of the coil will "talk" to the electronicals and cause all manner of apparent faults. Some units will shut down when they "see" these spurious signals.
re=read again, don't be a prat,be educated.
Evidently the sense-of-humour bypass was a complete success.
Bruce: could I ask you to check that again with Glen? I was told by "a usually reliable source" that it didn't, but should have.