AEM's Infinity Accessory cables include a wideband O2 air./fuel ratio extension harness and weatherproof communications cables.INFINITY WIDEBAND O2 EXTENSION HARNESSThis harness allows you to connect your AEM wideband O2 air/fuel ratio sensors to the Infinity's on-board wideband UEGO controllers (72" length). PN 30-3600. INFINITY AUX HARNESS FOR IAT AND MAP SENSOR This harness allows you to connect your AEM AIT (PN: 30-2010) and MAP (PN: 30-2130-XX) sensors to the Infinity's Aux DTM-style Plug (36" length). This harness was designed for the BMW E46 PNP Infinity Adapter Harness and will work with the Ford Coyote PNP Adapter Harnesses, but may require lengthening of the wires for use with other PNP applications. PN 30-3510-00. INFINITY IP67 COMMUNICATIONS AND LOGGING CABLES Protect your Infinity ECU by using IP67-rated communications and logging cables. They are completely dustproof and are rated waterproof to 1 meter. Infinity IP67 Comms Cable, PN 30-3601 (39" Length) Infinity IP67 Long Length Comms Cable, PN 30-3604 (118" Length) Infinity IP67 Logging Cable, PN 30-3602 (39" Length)