The white RS232RX wire (PIN8) from the SDM loom has to be connected to PIN2 of the DB9 RS232 connector on the AEM Series 1 ECU.. Learn how to wire the AEM Infinity ECU with the Infinitybox 20-Circuit Kit. Integration between the two systems is very easy.
*NOTE: Infinitybox wire Colors & Connector Positions will vary for different kits. See the Configuration Sheet that came with your kit for exact wire colors and locations.. Find the complete AEM Infinity wiring diagram and discover how to properly install and connect your AEM Infinity ECU for optimal performance.