TwinTurbo.NET: Nissan 300ZX forum - Im not sure which fuel pump that is
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Subject Im not sure which fuel pump that is
     
Posted by -Grimm- on June 04, 2015 at 9:36 AM
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In Reply To Wiring in Dual fuel pumps posted by AtomicX on June 04, 2015 at 07:25 AM
     
Message But two of those wires are pump power/ground, and two are low fuel light (or fuel level, cant remember which).

Your pump speed is controlled by the FPCU using a sinking PWM signal, which means you wont be able to wire it according to that diagram unless you use SSR's or MOSFETs

Easiest thing to do, buy a dual fuel pump controller, or pull the signal directly from the ECU to signal the pumps (although the latter doesn't seem like an efficient setup)

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1992 300ZX NA 5 Sp (Dead)
1990 300ZX NA Auto 2+2 (Dead)
1990 300ZX TT 5 Sp (Est. 400 HP)
1990 300ZX TT 5 Sp (Est. 600 HP)
2004 G35 Sport 6MT (DD)
2008 Honda Civic (DD)
1969 Chevy C10 (Toy)
1969 Chevelle (Toy)

     
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