Disconnect the plug from the fuel pump relay.
Nb miata fuel pump relay location.
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.
Im installing a walbro 255 high pressure pump on to my mazdaspeed miata.
The main relay powers your ecu and your ignition system amongst other things.
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.
It s not by in fuse box or anything on the nbfl it s under the steering column wheel.
The car will be working fine then.
And when they fail you re stuck.
In this article we consider the second generation mazda mx 5 miata nb produced from 1998 to 2005.
Remove the jumper from the fp and gnd terminals of the diagnostic connector.
There are 4 wires.
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.
Typical failure is immediate.
If it passes this test the fuel pump relay contacts and coil are working.
If it fails this test you probably have a bad fuel pump relay.
Red with blue stripe goes to the fuel pump.
Lots of mis information about this dotted around the net.
This will have the same effect as removing the fuse.
1991 mazda miata wiring diagram schematic www.
The yellow 20 amp fuel pump fuse should come out with ease with a set of needle nose pliers.