I have 2007 Chevy uplander won' start . I have the dash light on . The battey working fine and when I try to start it give me no sound at all . I just want to inform who has the same car if case the same problem it's Starter interrupter its installed with GPS device by the dealership to tracking the car and disabled incase any one missed with the payment or the delay messed up and need to change ...u will find it connected to obd port .... the same port that service guy connect to the computer !!!!