Cadillac Repair Questions? Ask a Mechanic for Answers ASAP
I am sorry that you have not been helped yet. I just came online and saw your question.
If you have verified that there is no power to the fuel pump, then the fuel pump relay needs to be tested and if good, check for power to the relay from the ecm. If there is power to the relay, then trace the wiring from the relay to the pump for shorts and repair as needed. If no power to the relay, then ecm and wiring from ecm needs to be tested.
For more specifics, I need the 17 digit vin number