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Thick blue 12V ignition wire under the steering column can be used to power the launch
control 12V wire.
I took the Triggers from the ECU which is located in the foot well. This is much easier to
access than the coilpack which is behind the engine (notorious in the mx5 world to work on)
The brown and brown/yellow have been separated from the loom. ECU in picture is the 1.8
1995 one.
Cut those two wires and route through the launch control unit as described above.