A person can visit a Ford dealership and ask for a 1989 Ford Bronco fuel diagram. Many times the Ford dealers will have mechanics on hand and they can give a customer a copy.
A wiring diagram of a 1989 Bronco 11 fuel pump can be purchased from most auto parts stores. It can also be found in do-it-yourself repair books for a 1989 Bronco 11.
On a full sized Bronco, it is located in front of the fuel pump between the frame rails near the drivers feet.
In a chiltons auto repair manual. You can get at your local library
Change fuel filter add a bottle of gas and injector treatments will
On a 1992 Ford Bronco : The electric fuel pump is INSIDE the fuel tank
IF GAS I NOT SKY HIGH
look on the driver side firewall by the brake pedal
how do I replace a fuel pump on a 1993 Ford Bronco 302 5.0 L
I don't know where you can get a diagram but Ford has some recalls out on duel fuel tanks. Check with a dealer yours could be covered.
If it is the same as the ( 1996 ) Ford Bronco : ( Relay # 2 is the fuel pump relay )
go to your closest auto parts store and buy a haynes manual for your model and year bronco , wiring schematic is in rear of book
where is fuel shut off switch for Ford Bronco eddy Bauer