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Each Ignition coil has 3 pins:
1 – Signal from ECU
2- Ground
3 – 12V ignition ON
Use pins 2 and 3 (Ground and 12V ) from one coil to power the Launch control.
Cut the wire going to pin 1 and connect the side coming from the ECU to Launch control CH1 IN.
Connect the other side (going in the coil pin1) to CH1 OUT. Same for CH2, 3, and 4.
Installation on Impreza with no ignition module and double coil with
4 pin connector
The car’s ignition system only includes the coil with integrated amplifier:
The coils pinout is:
1. Ignition signal 1
2. 12V ignition On
3. Ground – GND
4. Ignition signal 2
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