AEM CD Carbon Serial-to-CAN Adapter Harness Series 1

{brand}, To hook the AEM CD-5 & CD-7 to an AEM Series 1 ECU, you first plug the Serial2CAN adaptor into the 9 pin comms connector on the EMS. Then plug the adaptor into the 4 pin connector on the main harness supplied with the dash and the other 4 pin connector into the power harness supplied with the dash. The Red & Black wires from the power harness should be connected to switched, fused 12V power and ground, respectively.