Top Street Performance Engine and Transmission Wiring Harness for 2014 and Later GM Chevy LT L86 L83 Engines 10L80/10L90 Trans

2014 and Later GM LT L86/L83 Engine and 10L80/10L90 Transmission Wiring HarnessThis 2014 and Later GM LT L86/L83 Engine and 10L80/10L90 Transmission Wiring Harness is built for standalone Drive-by-Wire engine management with 10L80 / 10L90 automatic transmission. The harness integrates the fuse/relay box, sensor connectors, engine control wiring, fuel pump control, fan control, OBD2 connection, and supporting outputs needed for a clean LS/LT engine control installation.Use this harness when the engine code, throttle type, transmission connector, ECU strategy, and sensor layout match the compatibility section. Confirm transmission pin count, pedal and throttle body requirements, oxygen sensor layout, MAP/MAF connections, and power/ground routing before installation.Compatible With:2014 and later LT engines**Fits L86 and L83 engines with 10L80 and 10L90 automatic transmissions.Specifications:Throttle: Drive-by-WireHarness Length: StandardFuse Block: IncludedQuantity: Sold as a KitIncluded: Fuse/Relay Box and PlugsFuel Pump ControlFan ControlsCheck Engine LightSpeedometerTachometerOBD2Accelerator Pedal and Throttle Body ControlMAF SensorMAP SensorEngine Coolant Temp SensorAlternator Control(2) Upstream Oxygen SensorsCrankshaft PositionCamshaft PositionCoil PacksTransmission ControlKnock SensorsConnections: GM28604913 (Driver Side) – Needed to Complete InstallationGM28605173 (Passenger Side) – Needed to Complete InstallationNot Included: Fuel InjectorsFuel Injector Sub Harnesses

• Compatible with 2014 and later LT L86/L83 engine with 10L80/10L90 automatic transmission
• Includes fuse/relay box and plugs for necessary operation in an LT swap