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Why would a brand new fuel pump relay blow? - Samurai Suzuki Cars & Trucks

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1 Answer

What happened to it?
Did you take it apart and examine it?
If the contacts burnt,you most likely have a fuel pump drawing too much current. As in bad/worn out pump.
If the coil went, your going to have to have a wiring diagram and walk down that issue.

What is the real problem with the vehicle. Relays are not as common a failure, as you read about on this site.

Posted on Sep 17, 2010

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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shaggyrat
  • 1224 Answers

SOURCE: E.E.C fuse keeps blowing in 1991 Ford Explorer

if you replaced fuel pump i would look at backward wiring when replaced and i would start at the source of work if your vehicle was working fine before replacement then 9 out of 10 it will be your fuel pump wireing

sometimes when putting wireing back together the connectors have the missing clip and in turn you can turn the wireing in both directions now where positive is touching the ground on both sides of connector kris kross problem check your work this is crucial use a test light to find the right wires where they go

Posted on May 26, 2008

unsivilaudio
  • 25 Answers

SOURCE: Fuel pump will not run, 96 Neon 2.0 SOHC

Personally I wouldnt bother tracing the wire as it is probably not worth your time, and just run a constant 12v from the battery to the relay on like 10ga wire. There is probably a short somewhere in the system which can be a real headache to find.

Also it may sound dumb, but check your fuses, and the fusible links under the hood. Chances are that they are all fine though, especially if you have dash lights.

Posted on Dec 30, 2008

  • 14036 Answers

SOURCE: fuel pump relay keeps blowing on my 1996 Cadillac STS, why?

replace fuel pump wires.they could be shorting out pump relay.

Posted on May 27, 2009

emissionwiz
  • 77202 Answers

SOURCE: 2008 Ford F450 fuel pump relay fuse keeps blowing.

the fuel pump and radio are not on the same circuit, most liokely the fuel pump is shorted, that is the most common cause, get under the truck and disconnect the fuel pump connector at the tank, if the fuse doesn't blow then u need a new pump.

Posted on Dec 05, 2009

Ford Guroo
  • 71 Answers

SOURCE: 88 F150 Ignition is off and keys in my pocket but

You probably have a worn out key and tumbler assembly. Crabk your truck and see if you can remove the key while it is running. Try putting the key back in and jiggle it to see if the powered up units go off. I worked for Ford for many years and that year truck also had a problem with the ignition switch at the bootom of the steering column. That is where the rod from your ignition switch (key) goes in and turns all the accesories on. It is possible that it is sticking in the power on position. This could also be from a broke actuator rod.

Posted on Feb 07, 2010

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How do I stop my efi fuse from blowing repeatedly. Just changed the fuel pump and now that fuse keeps blowing.


What about your fuel rail regulator, which is in the tank with the fuel pump on some cars? Does it have a pressure switch/sensor that isn't telling the engine control module to shut the pump off when the rail pressure is obtained? If you turn the vehicle to on (not start) and the pump runs more than a couple seconds, like until the fuse blows, it could be either a stuck pump relay or worse, the fuel pump control signal. Pull the pump relay, add a new fuse and see if the pump runs with the key in the on position again, which it shouldn't. If it doesn't run, the issue is either the relay, or the control signal to the relay that is keeping the pump on all the time, causing the fuse to blow.

It sounds to me like the pressure is going to high and stalling or slowing the pump causing excessive current from the motor and blowing the fuse. If that's the case your old pump might not have been the problem. How's the fuel filter? That's in line with the fuel line to the fuel rail?

You don't have to answer the questions, just look into them for your own peace of mind.

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Where is the ECM fuse and Fuel pump relay on a 2000 Hyundai Tiberon?


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1 Answer

Fuel pump fuse always blows


disconnect the fuel pump and place a new fuse in the holder if it still blows go back to the relay and disconnect it and fit a new fuse. In the first instance if the fuse stays good the replace the fuel pump as you have a dead short in it.. If it blows at the relay replace the relay as the short will be there.

Dec 15, 2013 | Chevrolet Lumina APV Cars & Trucks

1 Answer

Im not getting any power to the fuel pump


In the fuse box is a fuel pump relay, most relays are the same switch them around.

Aug 22, 2012 | 1987 Toyota Supra

1 Answer

Fuse for fuel pump keeps blowing


Normally fuse blows off if more current passes through it than what it is designed for.

Probably it is worth checking what original fuel pump fuse amps requirements and have the same installed.

Also check the relay if there is a relay set for the fuel pump.

Good luck

Jul 13, 2012 | 1992 Toyota Previa

1 Answer

Keeps blowing fuel pump fuse. Why?


This normally happens due to short in the wirings.Or if someone has connected a stereo or some other electrical contrivance to the wiring harness (bundle), either under the dash or under the hood.To confirm this unplug the fuel pump wiring connections and insert new fuse.Then start the car and see,if still the fuse blows then its a short in wiring.But if the fuse does not blows then its faulty fuel pump relay or faulty fuel pump itself.So first replace the fuel pump relay and see,if the fuel still blows then its faulty fuel pump.But if the fuse not blowing then relay was the faulty part.The fuel pump relay located on the fuse box under the hood.---------This troubleshooting tips will help you locate the fault and solve it.-------Thanks.Helpmech.

Dec 13, 2010 | 1996 Dodge Neon

1 Answer

Will not start and checked fuel pump no power to fuel pump i also have blown fuse for ecmb that blows as soon as i replace it


ECM B fuse supplies a constant 12v hot at all times to the VCM/PCM and to the fuel pump relay. The fuse is blowing telling you that there is a short to ground somewhere. Try this, take the fuel pump relay out and put a new fuse in. If it doesn't blow put the relay back in and if it blows then try a new relay. The relay may be shorted to ground internaly. Other wise you'll have to trace the wires to the VCM and the pump relay to look for a chafed wire that's contacting metal. The wire coming from the ECM B fuse is orange and has a splice in it going to the pump relay and the VCM/PCM.
Hope this helps.....Andrew

Mar 28, 2010 | 1999 Chevrolet S-10 Pickup

2 Answers

2008 Ford F450 fuel pump relay fuse keeps blowing.


the fuel pump and radio are not on the same circuit, most liokely the fuel pump is shorted, that is the most common cause, get under the truck and disconnect the fuel pump connector at the tank, if the fuse doesn't blow then u need a new pump.

Dec 05, 2009 | 2008 Ford F 450 Super Duty

1 Answer

I have a short in the wires for the fuel pump keeps blowing fuses when you move wires connected to the relay just put in a new fuel pump thinking that was the problem. where can i get a wiring diagram to...


The problem may actually be in the fuel pump relay itself. The windings of the relay which create an electromagnetic field when energized, may be shorted and/or creating a high current draw, thus blowing the fuel pump fuse repeatedly.

I hope this helps! :)

Nov 13, 2009 | 1992 Buick Century

3 Answers

90 VOLVO Runs, dies, then won't start. Wait then runs then dies


FUEL PUMP GETTING HOT, check fuel pressure, check for spark at the coil sounds like a heat problem, got a blow dryer? when it comes to fuel pumps go to NAPA GOOD PARTS, on the left front door fuse panel jump hot 12vdc to to pump, check for voltage there aswell when it dies

Sep 19, 2009 | 1992 Volvo 240

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