Ther is a relay under the hood that controls the fuel pump on th passenger side of the engine compartment above the ac condeser
In the fuse box.
Consult your owner's manual.
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Fuel pressure test. Of course if it is not running, fuse and relay are good then it is bad.
Chevy trucks DO NOT hve a switch like that. You either have a bad fuel pump FUSE,Relay are a pump.
On a 2000 Chevy Silverado, the fuel pump fuse is located in the under-hood fuse box. To access it, open the hood and find the fuse box near the driver's side of the engine compartment. The fuse for the fuel pump is typically labeled as "Fuel Pump" or similar; refer to the diagram on the fuse box cover for the exact location. Always consult the owner's manual for specific details and fuse specifications.
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Whats next to check on my 1990 Chevy 7.0 for fuel not getting to carb. I have replaced fuel filter and 10 amp fuse?
Chevy did not use them on there trucks. Check fuel pump pressure, fuel pump FUSE and FUEL pump relay.
The ECM (Engine Control Module) fuse for a 1990 Chevy C3500 Silverado is typically located in the fuse box under the dashboard on the driver's side, near the steering column. It may also be found in the under-hood fuse box. To identify the correct fuse, refer to the diagram on the fuse box cover or consult the owner's manual for specific details.
You will have to remove the fuel pump relay or the fuse for the fuel pump. You did not say what year it was, so I can't tell you where it is. SORRY.