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No Power To Fuel Pump


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#1 hoggie 34

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Posted 30 October 2013 - 12:21 PM

hi guys problem with the 3i no power to the fuel pump the fuel pump is brand new iv ran it from 12v direct powers there iv checked the fuel pump relay thats all fine the fuel cut off switch is all good checked fuel pump fuse all is well does anyone know if the loom from the pump would have a inline fuse 

 

any help would be appreciated 

 

cheers 



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#2 jeebowhite

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Posted 30 October 2013 - 01:02 PM

I dont think any of it has an inline fuse, other than the fuseboards and auxiliary fusebox...

 

Have you checked for a voltage on all pins of the harness that plugs into the pump?



#3 hoggie 34

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Posted 30 October 2013 - 01:06 PM

Not as of yet im waiting for a mate to turn up with a multimetre will get bk with the voltage if any 

 

Thanks



#4 jeebowhite

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Posted 30 October 2013 - 01:18 PM

I recon you probably have a broken wire or a corroded loom which is causing you the loss of power to the unit.



#5 hoggie 34

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Posted 30 October 2013 - 01:32 PM

iv also tried a pump direct to live and earth off the loom but no prime with ignition on im gunna have to trace the loom bk to the fuse box and check for corrosion or a break somewhere,,

someone mentioned the interiour switch gives the loom its earth now not sure if thats true hes saying could be a dodgy earth.. 



#6 jeebowhite

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Posted 30 October 2013 - 02:18 PM

Not heard of that personally but then again I am not overly experienced in the older fords...



#7 wase16ll

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Posted 30 October 2013 - 06:08 PM

92 xr3i????

 

thought they stopped making them in late 80's

 

so not sure, but if fuel pump is under car, was common problem for wiring corrosion/cuts at the pump connection..i know they started fitting pumps in the tank around early 90's, which didnt suffer that problem but dont think xr3i ever had an in tank pump



#8 btmaldon

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Posted 30 October 2013 - 08:15 PM

Your right, they never had an in tank pump. I think the XR3i went on for a few more years in the Mk4 Escort guise. The Mk3 went up to 1990 or 91 if I remember correctly. I had a 1987 model with the RS Turbo kit, Ford Motor Sport Tiger Stripes and a few other modifications. As a 3 year old car as it was I used to love the thing. Unfortunately we have to grow up at some stage.



#9 hoggie 34

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Posted 31 October 2013 - 12:00 AM

mines got a intank pump got an auto electrician coming out tomorrow to find the problem will let you know the out come 

 

u dont have to grow up to own a classic btw 



#10 wase16ll

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Posted 31 October 2013 - 03:11 AM

in that case, i'll put my money on a open circuit in the fuse box itself



#11 btmaldon

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Posted 31 October 2013 - 09:58 AM

 

mines got a intank pump got an auto electrician coming out tomorrow to find the problem will let you know the out come 
 
u dont have to grow up to own a classic btw

 Tell my wife that. LOL

#12 hoggie 34

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Posted 31 October 2013 - 11:26 AM

get the wife told every man needs a toy LoL got a auto electrician coming this aft to find the problem im thinking my self its got something to do with the fuse box !!

All will be revealed lata haaha



#13 wase16ll

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Posted 02 November 2013 - 12:21 AM

fuse box was a common fault...new ones were stupid money, if you go 2nd hand then you have to match the part numbers as they made dozens of different versions.

but i never had one that i couldnt wire a simple by pass into...cheapest and quickest way to repair




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