Mopar Performance stand-alone engine harnesses are designed to provide everything you need to properly wire your car in one simple configuration. Each master wiring harness includes built-in fuses and relays for fans, pumps, auxiliary power, and more. Harness has bundle identifiers for easy identification and installation to production Mopar sensors. Secure, "bolt-in" plug mates to Mopar EMS controller and eliminates any chance of separation. Each harness incorporates flyinglead UEGO branches, allowing custom positioning of both left and right UEGO sensors.