Fuel pump HELP!! - Ranger-Forums - The Ultimate Ford Ranger Resource


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  #1  
Old 01-20-2006
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Fuel pump HELP!!

I started my truck yesterday and it died after about 5 sec.
After about 30 minutes of searching around, i figured out that my fuel pump fuse under the hood blew. So I buy a new one and change it (20a) and start the truck and it blew again. So i check all the wires and nothing seems to be shorted out.

I just finished pullin the fuel pump out of the tank (ya it sucked) and i hooked the pump up to a power source and it works fine.
I cant fingure out why it would be blowing fuses when im not shorting out the system and the fuel pump is working fine.
any ideas?

Last edited by rangererv; 01-20-2006 at 12:26 PM.
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  #2  
Old 01-20-2006
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inertia switch is fine to.
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Old 01-20-2006
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I have no idea but the title "fuel pimp" got me LOL
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Old 01-20-2006
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Alright, if all the wiring looks good. It's either a shorted relay or it's fuel 'pimp' time. Take another relay such as your park lights or whatever is the same as the fuel pump relay and put it in the fuel pump spot. If the fuse blows still odds are you've got a bum fuel pump drawing too much amperage.
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Old 01-20-2006
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Maybe the Fuel Pimp needs a new cane or feather for his hat?

(couldn't resist)
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  #6  
Old 01-20-2006
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Quote:
Originally Posted by 67cobain94
Alright, if all the wiring looks good. It's either a shorted relay or it's fuel 'pimp' time. Take another relay such as your park lights or whatever is the same as the fuel pump relay and put it in the fuel pump spot. If the fuse blows still odds are you've got a bum fuel pump drawing too much amperage.

I've tryed that. blew the fuse again.

I took the pump and hooked it to a battery (out of the truck) and it pumps the gas through, and sounds fine...so i donno.


HAHA didnt realize i spelt "PUMP" wrong...lol
if someone could change that for me, thad be great...lol
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Old 01-20-2006
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Quote:
Originally Posted by rangererv
HAHA didnt realize i spelt "PUMP" wrong...lol
You want me to change it for you?
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Old 01-20-2006
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Quote:
Originally Posted by CanadianXLT
I have no idea but the title "fuel pimp" got me LOL
ditto.. sorry lol
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  #9  
Old 01-20-2006
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Do you have a multimeter? If you do or you can get your hands on one, remove your fuel pump relay. Set the meter to Amps, (Not milliamps or you'll blow the internal fuse. Look at the numbers on the relay to. Put the negative lead in the 30 terminal hole and the positive in the 87 terminal of your fuse box. The fuel pump will start working and you'll get a reading of how many amps it's drawing. If it's drawing more then 20 that is your problem. If it draws less it's a wiring problem. And don't worry that's actually a correct way of checking it...
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Old 01-20-2006
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Quote:
Originally Posted by rngprerunner
You want me to change it for you?
Nah, it adds character.
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  #11  
Old 01-20-2006
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^^ well i have the pump out, its there a way of checking it easier when it out of the truck?
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Old 01-20-2006
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Quote:
Originally Posted by rngprerunner
You want me to change it for you?
well actually, more people are lookin at it with it spelt wrong...lol so no.
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Old 01-20-2006
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Quote:
Originally Posted by rangererv
well actually, more people are lookin at it with it spelt wrong...lol so no.
Agreed. Had to offer though
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  #14  
Old 01-20-2006
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NVM john, ill just check it in the truck...thanks tho. ill let you no the outcome
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Old 01-20-2006
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I dont see any numbers on the relay..
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Old 01-20-2006
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ur suppose to use a multimeter and read the amps
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  #17  
Old 01-20-2006
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dude if you'v still got a warrenty take that **** back to the dealer..... i had a problem close to what ur haveing and just went ahead bought a fuel cell, external pump and it works fine lol but anyway good luck with it it's kinda like pissin in the wind tho
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  #18  
Old 01-20-2006
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run hose, save yahselves!
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Old 01-20-2006
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Quote:
Originally Posted by Skyjacker_44
dude if you'v still got a warrenty take that **** back to the dealer..... i had a problem close to what ur haveing and just went ahead bought a fuel cell, external pump and it works fine lol but anyway good luck with it it's kinda like pissin in the wind tho

how much do you have in the fuel cell and pump? did you get your factory guage to still work?
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Old 01-20-2006
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Quote:
Originally Posted by rangererv
^^ well i have the pump out, its there a way of checking it easier when it out of the truck?
Hmm, I don't know the wire colors off hand to tell you honestly. I'd say plug it back into the harness and try what I said. If you don't see numbers on the relay you're not looking hard enough usually. There are usually very small numbers on the bottom at the prongs or else a drawing on the side. There are 30 (Ground), 85, 86, 87 and sometimes 87a.
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  #21  
Old 01-20-2006
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Ok i got the problem fixed...after 5 hours of thiinking and checking everything.

It was my dam kill switch that i have attached to the inertia switch. I guess the switch went bad and was shorting out on a ground spot.

That was the last thing i would expect, but i guess the switch worked....it killed my truck....lol

thanks for the ideas john.
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Old 01-20-2006
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  #23  
Old 01-20-2006
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Quote:
Originally Posted by rwenzing


I literaly just laughed out loud...
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  #24  
Old 01-20-2006
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^^ hahahah lmao.

I should have just added that and i would have been good to go right?

lol
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  #25  
Old 01-20-2006
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Heh the appropriate picture made me laugh for the first time today.
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