Fuse/relay center under the hood
in the fuel tank
in fuel tank
in fuel tank
in the fuel tank
what are the symptoms of a bad fuel pump on a 2002 GMC Sonoma 4.3 liters?
In the glove box behind the plastic cover on the left side when sitting in the seat
see where the wiring loses power. trace it back, starting at the pump, and go all the way back to the relay
Check fuel pump and fuel filter.
There is a fuel pump relay switch for your 1988 GMC Safari. You can find the fuel pump relay switch at most auto-parts stores.
the fuel pump is a in tank pump, you have to drop the tank, its located inside the tank.
Mounted on top and inside the fuel tank.