Question about 1993 Chevrolet S-10 Blazer

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93 chev s10 blazer, no fire to fuel pump, changed the two relays.

Car ran out of gas, after putting in gas, it ran about 2 miles and quit, now it doesn't get any fuel. changed fuel filter, but it just doen't seem to be getting fire back to the fuel pump, is there any other fuses that can be checked, thank you for any advise.Truck ran fine, went out to leave and wouldn't start. No power to fuel pump.  Put new pump in then realized that it wasn't getting power to the pump connection. Decided to change relays and fuses and still no power.

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I need to know a couple of things first .. did it actually run out of gas or was this a pump failure that made you think you had run out .. I f so first thing to do is as you say look to see if there is a fuse for this unit that should be documented in your service manual and displayed in the schematic wiring diagram , if you find it and it is ok then actually test the electric fuel pump disconnect wiring and then test with a multimeter for continuity .. then apply power from an external source and see if the pump runs ( i would actually take it off the vehicle as a spark near petrol / gasoline is never a good thing . on a bench with the pump in a vice or secured by a g clamp you will be able to determine better if there is a fault with it .. then if it is ok you can check the vehicle for other faults like a broken wire bad earth etc using the diagram in the service manual .. should you not have one look on this site you may be lucky and can download one for free from here . http://safemanuals.com dont only check fuses there may be a relay that opperates this pump again it should be documented in the manual .. sorry i cant be more difinative but it is difficult not actually seeing it .. good luck Regards Vortash

Posted on May 21, 2009

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