Lots of mis information about this dotted around the net.
Nb miata fuel pump relay location.
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.
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.
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In this article we consider the second generation mazda mx 5 miata nb produced from 1998 to 2005.
Disconnect the plug from the fuel pump relay.
Im installing a walbro 255 high pressure pump on to my mazdaspeed miata.
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.
1991 mazda miata wiring diagram schematic www.
This will have the same effect as removing the fuse.
Part 1 shows how to depressurize the fuel system how to disconnect the battery how.
And when they fail you re stuck.
The yellow 20 amp fuel pump fuse should come out with ease with a set of needle nose pliers.
Red with blue stripe goes to the fuel pump.
The main relay powers your ecu and your ignition system amongst other things.
If it passes this test the fuel pump relay contacts and coil are working.
Remove the jumper from the fp and gnd terminals of the diagnostic connector.
Typical failure is immediate.
If it fails this test you probably have a bad fuel pump relay.