Fuel pump circuits

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Old Sep 9, 2021 | 09:53 AM
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reallyflyguy's Avatar
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Fuel pump circuits

Anyone out there have the Acura wiring schematics for the Type S fuel pump? I read up on it have a separate power circuit for high speed. I want to see if I can duplicate it
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Old Sep 11, 2021 | 05:21 PM
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Burning Brakes
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duplicate wiring? do you have the type s fuel pump module and ecu? why not just run bigger guage wires and fuel lines.


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Old Sep 12, 2021 | 08:28 PM
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Euro-R_Spec_TSX's Avatar
Brock
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As can be seen by the diagram, there is no separate power circuit for high speed. The purpose of the fuel pump controller is to
back off on pump motor current at light loads. This is done by PWM control. This is a modern technique that extends the pump
life and reduces audible pump noise. Older designs simply run the pump flat out 100% of the time.
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