This harness and computer are for a stock or nearly stock 2005+ 2.2L Ecotec. This harness setup is for the L61 with individual coil packs, one cam sensor, Drive by Wire, and VVT. The controller is an OEM E37 and includes a performance tune based off of hundreds of dyno hours. Custom E85 and Race Gas tunes are available for an additional fee.
It comes with a full diagram and labels on all connectors.