In the fuel tank.
YES.
Drop the fuel tank or remove the bed to access the pump.
No, it is mounted on the engine block.
The 1986 Chevrolet C10 pickup truck fuel filter is located inside of the fuel tank. The fuel tank will need to be removed in order to change the fuel filter.
front passenger side of motor towards the bottom.
You must be talking about an electric pump. Maybe you can check the wiring to verify that it is correct.
16 or 20 gallon tanks were available on the 1984 c10
The wiring diagram for a 1969 Chevy C10 truck is located in the service manual. It outlines where each electrical component is located and how they are wired together.
buy an aftermarket harness at LMC truck and connect it to the outside of the fuel sending unit and into the dash fuel gauge. make sure your fuel pump has good ground. 16.95us last I checked.
There is a fuse on the firewall near the blower motor left of the engine, may be covered by a black cover. The relay is also under the cover.
No.