TwinTurbo.NET: Nissan 300ZX forum - This is what you need to do.
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Subject This is what you need to do.
     
Posted by DVDBURN (MD) on June 14, 2013 at 3:17 PM
  This message has been viewed 226 times.
     
In Reply To ignition on power source posted by ouikikazz on June 12, 2013 at 10:14 PM
     
Message Buy a relay like the one at this ebay link and run a 14-16 gage wire from the relay normally open contacts to the second fuel pump B+ and the car battery. Be sure to put a fuse in line close to the pump. For the relay coil to activate it, run one side to ground and the other side to the wire that feeds ECU pin 45. Now when you start the car the relay will feed the high current needed for the fuel pump directly from the battery via the relay.

[ http://www.ebay.com/itm/30-40-AMP-RELAY-HEAVY-DUTY-WITH-WIRE-HARNESS-12-VOLT-5-PRONG-SPDT-BOSCH-/271174907007?pt=US_Relays_Sensors&hash=item3f2348b47f ]

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