♔♔♔ The Dual Fire CDI has 2 red power wires and 2 black ground wires. These wires are joined together internally and should also be joined together at termination. The EMS Dual Fire CDI is essentially 2 CDI systems in one. The odd numbered channels use one discharge capacitor and the even numbered channels use another. When wiring the output channel, the CDI channel outputs must be connected to the negative side of each coil. The positive side of the coils share two common voltage output banks, one for odd channels and one for even channels.
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