OBD2 to OBD1
09-06-2006, 08:38 AM
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Location: Lehigh, FL, Lee
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OBD2 to OBD1
The problem is that I have an Obd2 car that will not start when I use a jumper harness and an Obd1 P72 computer or a Chipped P28 Ecu. Is it true that a fuel pin has to be moved to another location on the large plug for the harness. When I plug the obd1 ecu's, I notice that my fuel pump does not activate. I have a JDM type R ecu that is Obd2 and that one starts up fine. But i want to use Obd1 to use a chipped Ecu. Can someone tell me if they know why the car won't fire up? 
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