Monsterbishi Posted March 2, 2019 Report Share Posted March 2, 2019 ECU is a G4+ Plugin for a Mazda MX5 running a Ford 302w V8 in my Mustang. (Don't ask) At any rate, we have a DI configured as a Stop Switch, when active it kills the Ignition but the Aux5 Fuel Pump output remains hot, is there a setting somewhere that I'm missing? Quote Link to comment Share on other sites More sharing options...
Richard Hill Posted March 3, 2019 Report Share Posted March 3, 2019 Try setting the Di as anti theft. I don't have access to an ecu at the moment to test it but that might disable the fuel pump too. Quote Link to comment Share on other sites More sharing options...
Adamw Posted March 3, 2019 Report Share Posted March 3, 2019 The fuel pump in the MX5 is not normally controlled by the ECU, it originally was switched on by the airflow meter. Have you actually wired it to the ECU? If it is controlled by the ECU the pump should stop as soon as the engine stops - regardless if it is due to a stall, stop switch, or hitting a wall at 100mph... Quote Link to comment Share on other sites More sharing options...
Monsterbishi Posted March 4, 2019 Author Report Share Posted March 4, 2019 Problem solved, well, there was never actually a problem to start with - I had the meter on Aux6 instead of Aux5... Quote Link to comment Share on other sites More sharing options...
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