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Originally Posted by xxxJohnBoyxxx  To answer for anyone that wants to know. The DME is energized by the unloader relay when cranking, after car starts I believe it is powered by the main system relay (Not 100% sure). The DME will not turn on the fuel pump relay unless it detects engine rotation from the CPS. Hope this helps.
After reading a little more I think there are two people with motor cranks no start. The only time I've had this issue was when the unloader relay was not working. The unloader relay powers only items needed to start the car. When you crank your car over the radio, lights and other items that are not needed to start the car will not get any power so there is more power to crank over the motor. Also my unloader is located in the DME compartment clipped right to the DME...
John S |
Interesting info, got any pictures?