FAST Wiring Harness FAST Main LT1 - 301101

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 withstand 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. Harness Part Number 301101 will work with GM LT1 and LS Engines when the below sensors are used. Comes equipped to work with GM LT1-Style or LS1-Style TPS and IAC. Sensors for Part Number 301101 Harness.

Throttle Position Sensor (TPS) - Part# 307028 - GM LT1 style Sensor or Part# 54020 - GM LS1 style Sensor

Manifold Absolute Pressure (MAP) - 1 Bar MAP (14.5psi Max) Part# 307007 or 2 Bar MAP (29.0 PSI Max) Part# 307008 or 3 Bar MAP (43.5psi Max) Part# 307009 or 5 Bar MAP (72.5psi Max) Part# 307047

Coolant Temp. Sensor (CTS) - FAST Part# 307003

Air Temp. Sensor (ATS) - FAST Part# 307004

Idle Air Control (IAC) - LT1 - Part# 307015 or LS1 - Part# 307059