https://docs.emtronaustralia.com.au/cdi/cdi8b/index.htmlEmtron8b — 8 Channel Capacitor Discharge Ignition (© M&W Ignitions / Emtron Australia) WarningCAUTION This wiring diagram is applicable only to ignition systems with a serial number prefix starting 47xxxx. Use of the incorrect diagram will void warranty and may damage the unit. The installation of high energy ignition systems may require advanced knowledge and skills. Improper installation or operation of this unit could cause damage to the ignition system and ignition coil.Hugoen-us