Check all the fuses, if all are good, check the shut off relay.
it will be in the fuel tank.
location fuel pump relay 92' merc topaz
Inside the fuel tank.
I believe that you should just have a fuse for the electric fuel pump.The regulator is just a valve. If the pump has shut down, and all electric is good, then youi have to replace the pump in the tank.
It's in the gas tank.
The fuel pump fuse for a 1998 Mercury Mystique is located in the main fuse panel near the hood release. It prevents the fuel circuit from being overloading and damaging the pump.
Well, If you mean the fuel pump in the fuel tank, it is a 12 volt pump. The pump runs with the 12 volt system of the car.
In the gas tank.
Yes, you can test the fuel pump relay on a 1991 Mercury Topaz. First, locate the relay in the fuse box under the hood. You can test it by swapping it with a similar relay, if available, or using a multimeter to check for continuity. Additionally, you can also check for power at the relay's terminals while the ignition is on to ensure it's receiving voltage.
In the fuse box under the dash.
4 hot ground ignitor from comp/dist to pump
Photos might be available online through forums, websites, or repair guides that detail the steps for installing a water pump on a 1993 Mercury Topaz. You can search for "1993 Mercury Topaz water pump installation guide" or "1993 Mercury Topaz water pump replacement" to find detailed instructions and possibly photos to help with the process.