| Go Fine this Pic of the ECCS [ http://www.twinturbo.net/nissan/300zx/forums/technical/view/1094626/ECCS-Wiring-Diagram-in-color.html ] Starting at the Upper Right, you will see that the Orange Wire off the the Fuel Pump Controller, makes it way over the the Middle Upper Right of the Air Relay Orange Wire. If you use a Test Light ( I like them Better than an Volt Meter for Fast Testing ) you should see Battery Voltage related to Ground During Cranking.. You Should also be able to PUT Battery Voltage on that wire to Get the Fuel Pump to Run.. If you have Voltage on that Orange Wire, and the Fuel Pump is not running, then it's either the Pump or the FPU. The FPU 'Controls' the Pump Speed by Varying the Connection of the Pump to Ground. Cj
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