The Spark is Back !!!
After a long process of gathering info. and avoiding a costly exercise of replacing parts to clear the fault It is fixed and up and running.
For those of you out there who might be unfortunate to have the same problem, This is how it was solved.
1. Got on the interenet to Trials Australia / Tech Tips and read Chris L Johnson's report regarding the Analog control Unit on a Scorpa, which in not so many words says YOU DONT NEED IT. That was one thing out of the way at