Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
Car was parked for over a year came in has a no start. replaced battery and 100amp battery fuse. Car was equipped with a viper security system . I have removed it. I am not getting a any signal from black wire to starter solenoid . I have check the AM fuse and Relay. fuel gauge works but no pump. I went through diagnosis from Identifix . I checked the FC voltage at ECM and its telling me replace ECM some more insight with this issue would be great.