Wiring diagram – 9-5 2004 | SAAB Workshop Information Category: Wiring diagram / 9-5 / 2004 / 2. Engine / Trionic T7, 4-cyl / Wiring diagram / Trionic T7 engine management system 4-cyl (Part 1/4) Trionic T7 engine management system 4-cyl (Part 2/4) Trionic T7 engine management system 4-cyl (Part 3/4) Our Friends. Thank you for supporting our project. SAAB Workshop Information System Online SAAB 9-3 2 TRIONIC 8 WIRING DIAGRAMS - MHH AUTO - Page 1 The contents of this forum are for experimental & educational purposes only. As such, it is not acceptable whatsoever to publish any software that is bound by any legal restriction. Trionic - Wikipedia The intellectual rights to the Trionic 5 and 7 systems were sold to BAIC, along with the Saab H Engine that it was designed for, in 2009 as part of Saab's restructuring and transfer of ownership from General Motors to Spyker. Models and ECU information Saab 9-5 DIY: ECU Replacement - Trionic Seven - YouTube Sep 25, 2015This is how to replace or remove the Engine Control Unit (ECU, or Engine Control Module, ECM) in a Saab 9-5. Please note that if your car is a right-hand dri..