David, You might try taking it off and putting it on the work bench. One of the pins is ground and the others reverse and forward with 12+ the motor like robert said. You can look in the pipe and see the shut off working or not. John --- In dmcnews@xxxxxxxxxxx, Delorean17@xxxx wrote: > Hello List, > I have a question about the idle-speed system on the DeLorean. when I > turn my key to the run position I can hear the idle speed motor running. > When I start car it idles great and when I remove the connector to the idle > speed motor nothing happens at all and it continues to idle fine. I thought > the car would die when the idle speed motor stopped.