1991 mazda miata wiring diagram schematic www.
Nb miata fuel pump relay.
There are 4 wires.
Red with blue stripe goes to the fuel pump.
This kit was designed by our friends at trackspeed and is designed to bypass the fuel pump relay.
The main relay powers your ecu and your ignition system amongst other things.
In this article we consider the second generation mazda mx 5 miata nb produced from 1998 to 2005.
Lots of mis information about this dotted around the net.
In this video i talk about the fuel system on the nb miata and install a.
Typical failure is immediate.
Disconnect the plug from the fuel pump relay.
How to diagnose remove and replace a bad fuel pump.
If it fails this test you probably have a bad fuel pump relay.
It s not by in fuse box or anything on the nbfl it s under the steering column wheel.
This provides an end to end wiring solution that is designed for higher loads pulling power directly from the battery or kill switch and running it through 35a dedicated relay instead of the factory main and fuel pump relays.
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If it passes this test the fuel pump relay contacts and coil are working.
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.
The car will be working fine then.
It s a mechanical relay and after a couple of decades they just get tired.
And when they fail you re stuck.