Where is the fuel-pump relay switch located?

Most fuel-pump relay units are located under the dashboard near the steering column. In some cases, the unit is located in the area where the steering column is mounted or near the engine’s firewall.

Where is the fuel-pump fuse and relay located?

How do I know if my fuel-pump relay is bad?

Here are the symptoms of a bad or failing fuel pump relay

  1. Engine stalls. One of the first symptoms of an issue with the fuel pump relay is an engine that suddenly stalls.
  2. Engine does not start. Another symptom of a faulty fuel pump relay is an engine that does not start.
  3. No noise from the fuel pump.

Where is my relay located?

The starter relay is most often located under the car hood, found in the power distribution center. It can also be located in the fuse block in the cabin. The relay has wires coming in and out of it.

Where is the fuel pump control module located?

The module is typically installed on or very close to the fuel pump, and in the early years of the component’s use, this practice led to a design fault. Manufacturers, including Ford, initially placed the module inside the vehicle immediately above the fuel pump, typically just beneath the floor pan.

Where is the fuel pump reset button?

Look for the fuel pump switch or inertia switch. This is a small box with a plastic button on top and an electrical connector at the bottom. On some vehicle models, this will be located in the luggage compartment. Look on a side panel for a small, round button which you can pry off with a small screwdriver.

Which fuse is the fuel pump relay?

Under the Hood One of the small, black relays is likely to control the fuel pump. Near the relay there is also typically a red, 10-amp fuse labeled “FUEL,” “F/P” or “FUEL PUMP.” If not, check under the dashboard.

Where is the fuel reset button?

Is it OK to bypass fuel pump relay?

Registered. Jumpering or bypassing the fuel pump relay puts a constant +12VDC to the fuel pump. Basically you have voltage directly from the battery to the fuel pump, even with the engine turned off. You could use a jumper assembly with a toggle switch to manually turn on and turn off the fuel pump.

Where is the fuel pump relay switch located?

Most fuel-pump relay units are located under the dashboard near the steering column. In some cases, the unit is located in the area where the steering column is mounted or near the engine’s firewall.

How do I know if my fuel pump relay is bad?

Here are the symptoms of a bad or failing fuel pump relay

  1. Engine stalls. One of the first symptoms of an issue with the fuel pump relay is an engine that suddenly stalls.
  2. Engine does not start. Another symptom of a faulty fuel pump relay is an engine that does not start.
  3. No noise from the fuel pump.

How do you test a Mercedes fuel pump relay?

How to test a fuel pump relay

  1. Park the car in safe and level ground.
  2. Step 2: Turn the ignition key in the ON position but don’t start the car.
  3. Step 3: Raise the hood and locate the fuel pump relay.
  4. Step 4: The fuel pump relay will emit a clicking or buzzing sound when turning the key in the ON position.

How do you reset a fuel pump relay?

How to Reset a Fuel Pump Shut Off Switch

  1. Locate your car’s inertial trigger or airbag control module.
  2. Push the button on the inertial switch; it should be clearly marked as the fuel pump reset, and may be in a contrasting color to the case.

Will a fuel pump work without a relay?

As a result, when switched on, the fuel pump relay; will provide current to the fuel pump, so that it may function. Therefore, any faults with it, can cause fuel pump issues. It is part of the control system of a fuel pump and its failure, can lead to start up problems.

What would cause a fuel pump relay to go bad?

The most common cause of a fuel pump relay going bad is electrical power surges that increase the voltage. The fuel pump relay is designed to have a winding that causes contacts to pass current or voltage. In some cases, the current or voltage might be so high that the contacts get burned.

What causes a fuel pump relay to go bad?