OMFG...with closer inspection I found the culprit hiding within the loom /ubbthreads/images/graemlins/banghead.gif
Since this thread is already resurrected here's my next question:
I ground the terminal set the idle to 750 (+/-50) all's good. Then when I disconnect it, the rpm's shoot up to 1200-1300rpm.
BTW, ISC, FIAV and EGR all removed.