Really, really appreciate the help Turboat. Owe you and Dillenger a test drive, and a cold beer.
I purchased a swap loom from Dave at Stancedubs in Montreal that ran between the original mk4 engine loom and the back of the corrado fuseblock, replacing fuse bundles F, G1, and G2. It spliced into the white, black and orange connectors on the mk harness, a new cable was also supplied for between the dbw peddle and the blue harness connector. Is a very slick harness, but I had to cut a few other wires on the fuseblock to fully disconnect those three. I think one must have been a main power still. Just finished pulling the codes, see below text;
Monday, 14 July 2014, 18:30:48
VAG-COM Version: Release 409.1-S
Control Module Part Number: 06A 906 032 DL
Component and/or Version: 1.8L R4/5VT G 0003
Software Coding: 07500
Work Shop Code: WSC 66565
15 Faults Found:
17705 - Pressure Drop between Turbo and Throttle Valve (check D.V.!)
P1297 - 35-10 - - - Intermittent
17704 - Error in Mapped Cooling System (usually temp Sensor or Thermostat)
P1296 - 35-10 - - - Intermittent
17645 - Fuel Injector for Cylinder 1 (N30): Open Circuit
P1237 - 35-10 - - - Intermittent
17647 - Fuel Injector for Cylinder 3 (N32): Open Circuit
P1239 - 35-10 - - - Intermittent
17648 - Fuel Injector for Cylinder 4 (N33): Open Circuit
P1240 - 35-10 - - - Intermittent
17646 - Fuel Injector for Cylinder 2 (N31): Open Circuit
P1238 - 35-10 - - - Intermittent
18010 - Power Supply Terminal 30: Voltage too Low
P1602 - 35-10 - - - Intermittent
16622 - Manifold Pressure / Boost Sensor (G31): Signal too High
P0238 - 35-10 - - - Intermittent
17951 - Angle Sensor 1 for Throttle Actuator (G187): Signal too Small
P1543 - 35-10 - - - Intermittent
17580 - Angle Sensor 2 for Throttle Actuator (G188) Signal too Low
P1172 - 35-10 - - - Intermittent
17987 - Throttle Actuator (J338): Adaptation Not Started
P1579 - 35-00 - -
17072 - ECM Power Relay Load Circuit: (J271): Open
P0688 - 35-00 - -
18057 - Powertrain Data Bus: Missing Message from ABS Controller
P1649 - 35-00 - -
18058 - Powertrain Data Bus: Missing Message from Instrument Cluster
P1650 - 35-00 - -
17931 - Crash Signal from Airbag Controller: Implausible Signal
P1523 - 35-00 - -
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I'm hoping a lot of these will go away once she actually runs, no airbags, and I know the coolant lines are still open as Im waiting for a new electric fan, but those first ones sure point to a main miss on either the fusepanel, or the block side of the wiring.
Again, any help in where I should be looking, gratefully appreciated.