mx5cartalk.com

I am preparing to put either a Haltech interceptor or an Exede in the SE (+ injectors). I am looking for a way to do this in a plug n play fashion
rather than splicing into the harness as such. I was referred to this company by ChipTorque http://www.autosportwiring.com who advertise patch loooms for
about $180USD + shipping. I asked them if the harness listed for a 1.8L Miata would work for the MSM/SE and their very prompt reply is listed below
with the photos they sent.

I am guessing that there shouldn't be any difference between the US and AU harnesses, but does anyone know for sure? Thanks in advance.

The prototype work for the Miata harness was actually done with one of the
Mazdaspeed Miata turbo cars. So, yes it should work just fine. I see you are
in Australia. So, to verify and make sure that Mazda didn't change anything
on us, I've attached some pictures of our Miata harness for you to verify
that the connectors match what you have. Also, the color coded wires on this
harness highlight specific signal locations and may or may not match your
non-US market pinout.

The plugs appear to be identical.

Thanks CT.

There is also this company.

http://www.boomslang.us/

However since you got the 02 mod on there, your OEM harness presumbly is already spliced.

Wife still away and I just saw this.

U.S. MSM/SE have a different pin for power.

Be very very careful.

Thanks mx52nv so does this mean I can't use it, or I just have to get my tuner to change something?

Just check it using the wire colours from a wiring diagram - miata.net or mazda-speed.com forums are useful. I used the US wiring diagram on my Japanese SE to no ill affect so far.....