Hello, So this is my problem: Car: Fiat Coupe 1.8 16v 1998 Interface: http://www.ebay.de/itm/Interface-Adapter-fuer-Multiecuscan-Fiatecuscan-Fiat-Alfa-Romeo-Lancia-OBD-2-/151016677380?ssPageName=ADME:L:OC:DE:3160 - 3 pin cable connected / + to accumulator connected / key is ON - starting multiecusca...