It is a relay inside a fuse box under hood.
Chevrolet does not use inertia switches if that is what you are looking for.
I can tell you the fuel pump is in the gas tank.
There is not a fuel cutoff switch or button on a Chevrolet.
there is not a reset switch.
There is none on GM vehicles.
1999 Chevrolet Tahoe (gas 5.7l 350 cu.in.) fuel tank capacity 27 gallons
Chevrolet does not use inertia or reset switches.
where is the fuel pump relay on a 1999 Chevrolet Tahoe
The 2015 Chevrolet Tahoe runs on flex-fuel (FFV).
The 2014 Chevrolet Tahoe runs on flex-fuel (FFV).
The 2013 Chevrolet Tahoe runs on flex-fuel (FFV).
The 2012 Chevrolet Tahoe runs on flex-fuel (FFV).
Chevrolet doesn't use inertia switches.