An electrical problem could also be in the picture. One has to press the tab and remove the cover to see the relay. Relieve the fuel pressure and disconnect the negative battery cable. If you do not, reverse the control terminal connections. Testing a relay to see if it is still functioning properly may seem like a daunting task to someone who is unfamiliar with testing electronic components. The fuel filter is part of the pump assembly. The … fuel pump assembly is attached to that cover.
So why is the system not turning on the relay? It also uses a resistor. Here is what the manual says: Fuel Pump Control System System inspection 1. My brother advised me that I probably needed to push the reset button. Answer there should … n't be a relay switch for the fuel pump, the fuel pump is always on if the car is running, relays turn electric things on and off when needed. Fuel pump fuse is located here I will ask for help for the fuel pump relay location for you.
But the fuel pump fuse should be located in the passenger compartment, under the driver dashboard or somewhere near there. Most likely if it's a new fuel pump, it isn't the problem, but it's always a possibility. We had already done a starter a few months ago. Under the squab is a service panel that will have a few screws holding it down. I don't have a wiring diagram in front of me, but you may have atripped crash or g force interupt on the system. The relay in in the cover box that contain a variety of fuses just behind the batterty on the driver side of the car.
Attach a jumper wire to the positive terminal of the battery and one of the control terminals. Therefore, the tank needs to be dropped. Jun 15, 2010 Answer to question Where is the Fuel Pump relay on a 1999 Mazda 626. I simply snipped the black and white wire and wire nutted my power from the switch to the black and white wire going into the relay. Push down firmly until the two retaining pins are locked into the rear seat retaining clips. If you have spark but no fuel then your problem is a fuel delivery problem.
The fuel pump relay is in the main fuse panel under the hood. Apply battery positive voltage and check continuity between terminal of the relay by using an ohmmeter 4. Where is that darn button located if so? Check out the diagrams below. If you want to check to make sure your pump isn't the problem, you can bypass the r … elay and try to start your car. Here are the labels for the main fuse box in engine compartment. Thank you in advance for your advice. Attach the sending unit electrical connector.
If there is still no click, you will need to replace the relay. . Check it out, hope it helps. Attach the other jumper cable to the opposite control terminal and a suitable ground. Connect the fuel supply and return lines.
Detach the sending unit electrical connector, remove the sending unit attaching nuts and remove the sending unit from the fuel pump assembly. If that's good- then the problem most likely is the fuel pump. If not as specified, replace the fuel pump relay. Touch the relay and have a helper turn the car on not crank You should feel the relay click. Is this probably the problem? If you drop ascrewdriver on it that will shut off the fuel pum … p.
You should hear a click as the connection is made. If no sound was heard, check the fuel pump relay and duel pump resistor and relay speed0. If it isn't clicking, then the relay is not coming on. The relay i … tself has 4 wires, 2 which are black with red stipes and red dashes power to the pump , 1 blue with yellow not sure , 1 black with white stripe power from ignition. Please let us know if you need anything else to get the problem fixed.
I didn't want to bypass the relay and loose any other necessary function. Please run some tests and get back to us so we can continue helping you. Once the fuel pump is removed, remove the filter retainer and filter. Relays can malfunction and fail over time. But the fuel pump fuse should be located in the passenger compartment, under the driver dashboard or somewhere near there. But start at the relay.
When sitting in the drivers seat it was next to my left foot behind a plastic panel next to the door. Position the rear seat cushion over the floor, making sure to align the retaining pins with the clips. If not already removed, depress the clips on each end of the rear seat cushion and remove the cushion. The relays in your car are electrical switches that are used to control different electrical components, such as the air conditioner, the fuel pump, and the radiator fans. I have a '91 b2200 which recently lost power to the fuel pump. This may be enough to get the pump to work again. He said this has to be done when the fuel pump or gas tank is changed as a safety thing.