Nb Miata Fuel Pump Relay Location

The yellow 20 amp fuel pump fuse should come out with ease with a set of needle nose pliers.

Nb miata fuel pump relay location.

1991 mazda miata wiring diagram schematic www. The main relay powers your ecu and your ignition system amongst other things. Typical failure is immediate. In this article we consider the second generation mazda mx 5 miata nb produced from 1998 to 2005.

Alternatively you can open the bonnet remove the relay box cover located on the r h side against the firewall and remove the large black relay. Disconnect the plug from the fuel pump relay. 98 ls1 to 94 miata selected details of 0f07c 1999 mazda radio wiring diagram based 97 f359 fuse box were is the fuel pump relay on nb protege engine e30 system pressure as well 1995 cn 3070 99 filter location. Part 1 shows how to depressurize the fuel system how to disconnect the battery how.

It s a mechanical relay and after a couple of decades they just get tired. If it fails this test you probably have a bad fuel pump relay. Here you will find fuse box diagrams of mazda mx 5 miata 2002 2003 2004 and 2005 get information about the location of the fuse panels inside the car and learn about the assignment of each fuse fuse layout. Remove the jumper from the fp and gnd terminals of the diagnostic connector.

This will have the same effect as removing the fuse. The car will be working fine then. And when they fail you re stuck. It s not by in fuse box or anything on the nbfl it s under the steering column wheel.

If it passes this test the fuel pump relay contacts and coil are working. Im installing a walbro 255 high pressure pump on to my mazdaspeed miata. There are 4 wires.