Question about 1992 Chevrolet S-10 Blazer

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Power in fuse box for fuel pump no power at wire harness by fuel

Had vehicle running and just quit already replaced fuel pump and was running good then just quit no power at wire harness by pump

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Check the fuse and relay for the fuel pump in the engine compartment fuse box near the battery... as well as the fuel shut off switch in the back (trunk) part of the vehicle

Robert

Please rate this solution thanks

Posted on Jan 31, 2009

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1 Answer

Inertia switch keeps cutting off while cranking engine


Power goes from the fuse box to the fuel pump relay to the inertia switch and then to the fuel pump motor.I would suggest bypassing the inertia switch for now just to see if you can get the vehicle started and go from there. FYI The inertia switch is just there in case you get in a collision and shuts fuel off. Good Luck

Mar 13, 2014 | 2002 Ford Expedition

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Car was running in driveway then just stopped. fuse was blown. replaced fuse ran for 5mins, fuse blew again. replaced fuse ran for 10mins fuse blew again. replaced fuel pump, car ran for three days then...


hello,

i am assuming that the fuse you are replacing is the fuse for the fuel pump, then replacing the fuel pump did solve ur problem for 3 days.

did you check again the fuse of the fuel pump? if it is blown again, try looking at manual to see if you are putting the right fuse. is the fuel pump that you put in is an original pump for the car or a replacement pump?.

if it is a replacement pump, kindly check the label and if you can find out what rating of fuse it is using then use that fuse rating for that particular pump.

another case could be another defective pump...could be a factory defect...

you can compare resistance of windings of pumps to find out if they have problems.

another thought could be if there is a return line on your fuel system..if this is clogged and building up a pressure on the fuel line, then this could cause a problem on your fuel pumps.

i hope i was able to solve ur problem,

pls rate me,

tnx drcool

Jul 28, 2008 | Suzuki XL7 Cars & Trucks

1 Answer

I have a 1997 Chevy Venture. I replaced the fuel pump, and relay. Checked all the fuses, and they were good. We then proceeded to tear the interior apart and check all the wring by tracing from pump to...


Well you have already confirmed there is a short in the harness or a connector.
If you can't find it, the next best thing would be to run a new wire from the pump relay back to the connector at the gas tank.

Sep 27, 2012 | 1997 Chevrolet Venture

1 Answer

Cavalier '99 the fuel pump fuse blow only if the car is in drive and press the break pedal or pull the hand break, if I run the car on drive is OK if I do not put the brakes. On reverse and park i


Thats wild.
The fuel pump - injector circuit is on one fuse and the brake circuit is on a different fuse. I can't think of a way the two would be connected other than something wrong with the fuse box.
If the pump fuse blew when you hit the brake pedal, it could be something shorted in the harness, but that would not explain the parking brake.
If there is nothing wrong with the terminals in the fuse box, and no sign of trouble with the wiring around the brake pedal, you may have to hunt the wiring harness back to the pump to look for bare wires.
It might be easier to run a new wire from the pump relay to the pump outside of the main harness.
They make circuit breakers that can take the place of regular fuses, but that would only be a temp fix.

Sep 23, 2012 | 1999 Chevrolet Cavalier

1 Answer

The fuse for the fuel relay keeps blowing out already checked wire harness for shorts did some repairs but still have problem..help..


Sounds like you have some experience. Will the vehicle run by applying power direct to the fuel pump? just trying to isolate a bad pump. If pump is confirmed good than you missed a wiring problem. Keep in touch.

Feb 17, 2011 | 1989 Toyota Pickup SR5

3 Answers

No power to fuel pump car was running fine just quit repalced fuel pump no power to pump, car will start when spraying starting fluid in to intake, is there a fuse ? also replaced ECM, fuel filter,...


Check for 12 volts power at the fuel pump harness. If no power is going to the pump, check the fuel pump relay. Also, check the fuel pump inertia switch. Ford usually has it on either inside left or right rear trunk fenders.

Apr 09, 2010 | 1987 Ford Taurus

1 Answer

On my 1994 plymouth voyager the 3 wire harness to fuel pump (blue wire) doesn't have 12 volts; should it? fuel pump quit then worked once when hot-wired with 12 volts. fuse and relay is good.


The wire should not be hot until the relay is triggered. The relay does not get triggered until the ignition key is turned on. It will run for 3-5 seconds or until the system pressure it at max.

Apr 26, 2009 | 1999 Plymouth Grand Voyager

2 Answers

91 blazer 4.3 not getting fuel to motor


There should be 2 or 3 wires into your tank.

When you first turn the key to the on position, but not all the way to the start position, do you hear the pump run at all?

If not, look in the under hood power distribution box for a relay marked fuel pump. check if there is power there. if yes, check to see that power comes from the relay when activated.

If all is ok there, remove the fuel tank from the vehicle and replace the fuel pump.

Apr 18, 2009 | 1991 Chevrolet S-10 Blazer

2 Answers

1997 k1500 just quit and will not start


you should have power on the tan wire for about 5 seconds with key on try to cycle key on for 5 sec off for 10 sec if no power chehave power on both sides of fuseck ecm 1 10 amp fuse if you check ecm b fuse if that is ok check for power on the orange wire and power on the green with white wire on fuel pump relay if you have power on those check for power on the grey wire out to fuel pump if you have power on grey wire you have a bad wire from the grey to the tan wire some where in the harness hope this helps

Nov 16, 2008 | 1997 Chevrolet K1500

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