fuel pump not primimg helpppppp - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

93coupe07 · 02-28-2013, 04:35 PM

hey guys i have a redtop s13 just tried to turn her over for the first time today butttt...my new walbro isnt kickin on at all i really have never had this issue with the sr swap guy have any ideas/suggestions thanks a ton

Iconik · 02-28-2013, 04:45 PM

If the pump isn't priming the first thing I would be doing is checking for correct powers and grounds at the pump connector. Also make sure there is good pin contact in the connector.

If you've got no power there then you have a wiring issue, as you've just completed your swap by the sounds of it there is a good chance you simply missed something, wired something in the wrong way or something got pinched upon install.

s14newb · 02-28-2013, 08:31 PM

What chassis is it, s13 or s14?

93coupe07 · 03-01-2013, 02:16 PM

Its s13 chassis and i know its a wiring problem i guess i just dont know where to start looking not sure what part of the harness goes or sends power to the fuel pump ive checked all relays and fuses and the wiring by the battery box

93coupe07 · 03-01-2013, 02:18 PM

And one pin at the connector to the pump has 12v with key on not sure which wire is for what on the connector in the trunk

KoukiMonsta · 03-01-2013, 02:38 PM

Black with yellow stripe supplies fuel pump with power. Check if it had 12v with the key 'on'

If not, start with fuse. And work towards relay/pump with multi meter

steve shadows · 03-02-2013, 07:57 PM

If the fuse is good and the wiring is good then I would check the actual pump. I have had walbros lose the filter right after putting it in and fail right away.

02-28-2013, 04:35 PM	#1
93coupe07 Join Date: Nov 2005 Location: tha boro Posts: 8 Trader Rating: (0) Feedback Score: 0 reviews	fuel pump not primimg helpppppp hey guys i have a redtop s13 just tried to turn her over for the first time today butttt...my new walbro isnt kickin on at all i really have never had this issue with the sr swap guy have any ideas/suggestions thanks a ton

03-01-2013, 02:38 PM	#6
KoukiMonsta Nissanaholic! Join Date: Mar 2009 Location: NC Posts: 1,969 Trader Rating: (23) Feedback Score: 23 reviews	Black with yellow stripe supplies fuel pump with power. Check if it had 12v with the key 'on' If not, start with fuse. And work towards relay/pump with multi meter __________________ @UpshiftEngineering

03-02-2013, 07:57 PM	#7
steve shadows Post Whore! Join Date: Aug 2003 Location: LA and OC Posts: 8,202 Trader Rating: (5) Feedback Score: 5 reviews	If the fuse is good and the wiring is good then I would check the actual pump. I have had walbros lose the filter right after putting it in and fail right away. __________________ Like Me on FaceBook !

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02-28-2013, 04:45 PM	#2
Iconik Join Date: Dec 2012 Location: Canada Age: 31 Posts: 7 Trader Rating: (0) Feedback Score: 0 reviews	If the pump isn't priming the first thing I would be doing is checking for correct powers and grounds at the pump connector. Also make sure there is good pin contact in the connector. If you've got no power there then you have a wiring issue, as you've just completed your swap by the sounds of it there is a good chance you simply missed something, wired something in the wrong way or something got pinched upon install.

02-28-2013, 08:31 PM	#3
s14newb Zilvia Member Join Date: Sep 2011 Location: PA Posts: 222 Trader Rating: (17) Feedback Score: 17 reviews	What chassis is it, s13 or s14?

03-01-2013, 02:16 PM	#4
93coupe07 Join Date: Nov 2005 Location: tha boro Posts: 8 Trader Rating: (0) Feedback Score: 0 reviews	Its s13 chassis and i know its a wiring problem i guess i just dont know where to start looking not sure what part of the harness goes or sends power to the fuel pump ive checked all relays and fuses and the wiring by the battery box

03-01-2013, 02:18 PM	#5
93coupe07 Join Date: Nov 2005 Location: tha boro Posts: 8 Trader Rating: (0) Feedback Score: 0 reviews	And one pin at the connector to the pump has 12v with key on not sure which wire is for what on the connector in the trunk