Harness Part Number 301104: Harness will work with and Chrysler 5.7L, 6.1L, and 6.4L Hemi applications. Plugs up to OEM MAP, Throttle Position Sensor, Coolant Temp Sensor, and Air Temp Sensor. FAST XFI Main Harnesses feature clearly labeled wires and pre-terminated ends with Weather Pack connectors for a perfect fit to your application. Environmentally sealed and Weather Pack connectors were originally designed to be able to wIt'stand exposure to extreme temperatures, moisture, and harsh engine compartment fluids and chemicals. They are heavily used by OEM Automobile/Truck, Construction, Off-Road, and Farm Equipment manufactures due to their high quality and excellent fitment.