The Stator Papers I: A Primer on GS charging systems (you should've read that first, it explains the theory referred to in this Q&A)
The Stator Papers III - The Solution, details about the availability of the Electrex unit.
The Stator Papers IV - The Fault Finding Chart, a comprehensive, step-by-step fault finding procedure.
The Stator Papers V - Cause #1 for failing charging systems: bad conductivity!
The Stator Papers VI - How to rewind your own stator