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2: The 4 coils look like this:
The pinout on the coil connector is:
1. +12V ignition on
2. GND (ign sig)
3. Signal from ECU (thinner wire then the other 3)
4. GND (coil)
Where pin 1 is at the side of the connector with sharper edges (not round).
Launch control installation is done by cutting signal wire at pin 3 and connect the end going to the
harness (ECU) to launch control “CH1 IN” and the end going to the coil to “CH1 OUT”. Similarly, cut
and connect the signals for all 4 coils.
Next, connect launch control 12V wire to pin 1 12V on one of the coils and GND wire to pin 2 GND on
coil. Do not cut these two; just connect to launch control wires as well. You need to do that to one
coil only not all of them.
3. Do this regardless of coil type
What is left is to connect “launch” wire to the clutch switch. It should connect to ground when clutch
is pressed and activate launch control. When wire is not connected to anything, car works as before.
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