Look under the vehicle - follow the fuel line from the tank
It is up in the driverside frame rail back by the transmission cross member.
clogged fuel filter
look inside the frame rail under the drivers door
The 93 used a electronic / computor controlled transmission and the 91 did not. The 91 chevy trucks transmission wireing harness and computor is all together DIFFERENT. WON'T WORK.
Inside the fuel tank.
The filter is in the tank, part of the fuel pump module.
The fuel pump is loacted inside the fuel tank.
I have a 93 c2500 pu and my tranny is acting up. It doesn't always want to shift outta first
check fuel filter and pressure
In the fuse/relay center under the hood.
16 gallons.
1973 Chevy pu wireing diagram