Fuel Pump relay help - TriStateTuners.com :: Home of Tristate Auto Enthusiast

Adam496 · 05-19-2009, 08:57 PM

I am trying to diagnose why my fuel pump is not priming(95 w/redtop). When i test the plug for the pump relay i am only getting 5 volts to prong 1+3. The ecu is from a running car, the battery is fine, all of the fuses are fine and the wires all have continuity. I cannot figure this out. Somebody help me out. I've been through the FSM multiple times and i still cannot figure it out.

Ace · 05-27-2009, 03:50 PM

The ECU 'signal' to the Fuel Pump Relay is actually a ground trigger...

Can you jump signal to it to see if it works...

05-19-2009, 08:57 PM	#1
Adam496 Tri-State Addict Join Date: Sep 2005 Location: Northern Jersey Member #906 iTrader: (0)	Fuel Pump relay help I am trying to diagnose why my fuel pump is not priming(95 w/redtop). When i test the plug for the pump relay i am only getting 5 volts to prong 1+3. The ecu is from a running car, the battery is fine, all of the fuses are fine and the wires all have continuity. I cannot figure this out. Somebody help me out. I've been through the FSM multiple times and i still cannot figure it out.

05-27-2009, 03:50 PM	#2
Ace Tri-State Addict Join Date: Oct 2006 Location: Stroudsburg, PA (Poconos) Member #2832 My Ride: 97 Nissan 240sx iTrader: (2)	The ECU 'signal' to the Fuel Pump Relay is actually a ground trigger... Can you jump signal to it to see if it works... __________________ Cody Ace 1997 Nissan 240sx - SR20+GT2871r .64 power (400whp/330ft lbs) "Engine Response > Big Dyno HP" 1996 Nissan Maxima - VQ30DE Autotragic 165whp/175ft lbs "237,000 miles" Do you want AC to work in your SR swapped 240? PM me to find out how...

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