This is not a full answer, but a tip on an easier way.to get to the pump. Instead of removing the gas tank. Just pull the bed off the truck! I guarantee that it will be easier. I did this on a 2001 S10 and it took less that an hour to remove the bed.
Remove the spare tire, and the tube that the tool to lower the tire goes through. You will need to unplug your tail lights under the back or the bed on both sides. There is also a grounding screw for the tail lights on each side that needs to be removed. Remove the screws that hold the gas tank filler hose to the side of the bed - right by the filler cap. Remove the tailgate (to make the bed lighter). Follow the frame down the length of the bed and you will find the bolts holding the bed on. There should be 6 or 8 bolts. My S10 had 8 bolts and my son's full size Chevy PU had 6 bolts (go figure?). Then just lift the bed off the truck. We did my S10 with 3 people and it had a camper shell and rack on it. My son's full size truck was lifted off with only 2 people. I would suggest 4 people however - one on each corner to make it easier to lift and control.
Replace the pump as described above and then you can start the engine to make sure everything works before setting the bed back on. NOTE: The fuel pump grounds back with the tail light ground. If the engine doesn't start right away, try grounding the wire back by the tail lights. It works like a charm. This is an especially nice way to do it if the gas tank is full! I spent 18 years as a professional mechanic and this is one of the slickest, least known tricks I have come across. I wish I'd known about it when I was wrenching for a living! Cheers!
SOURCE: where is the fuel pump fuse on a 1989 chevy s10
Fuses for the engine or exterior items are under the hood in a little black plastic box.
Fuses for the interior items are under the dash, up above the driver's left foot.
In either case, the fuse diagrams should be on the inside of the fuse cover.
SOURCE: I need to replace the fuel pump in my 1985 Chevy S10 Pickup.
EXACT PROCEDURE ! Please Rate Me Fairly for this!! Thank you And Good Luck !!
ELECTRIC PUMP
REMOVAL
INSTALLATION
MECHANICAL PUMP
REMOVAL and INSTALLATION
NOTE: To ease pump installation, rotate the camshaft so the camshaft eccentric is out of the way of the fuel pump rocker arm.
SOURCE: where is the oil sending unit located on a Chevy S10 Pickup.
I would not dismiss the possibility of the oil pressure switch being in the pump circuit...gm has used these on and off since the chevy vega. (remember them?)
SOURCE: s10 chevy pickup died, replaced fuel pump, still
Have you checked your ground wire to the pump?
SOURCE: My 1999 chevy s10 runs rough at idle
I have a 94 s-10 blazer that runs at idel speeds but boggs down when flooring it and will have trouble starting back up also has a slow crank over when starting even with jumpers on it a lot of new stuff was fixed to try to solve the problem but nothing things replaced was as followed.
spider injecters 3 times pep boys warrented them so.
egr valve
map air flow sensor
plugs & wires
sensor under the cap & the cap
2 more sensors up front of the motor that i can not remember
fuel filter &pump so help me out please.
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