2014 and Later GM LT L86/L83 Engine and 10L80/10L90 Transmission Wiring Harness

This 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-Wire
Harness Length: Standard
Fuse Block: Included
Quantity: Sold as a Kit
Included: Fuse/Relay Box and Plugs
Fuel Pump Control
Fan Controls
Check Engine Light
Speedometer
Tachometer
OBD2
Accelerator Pedal and Throttle Body Control
MAF Sensor
MAP Sensor
Engine Coolant Temp Sensor
Alternator Control
(2) Upstream Oxygen Sensors
Crankshaft Position
Camshaft Position
Coil Packs
Transmission Control
Knock Sensors
Connections: GM28604913 (Driver Side) – Needed to Complete Installation
GM28605173 (Passenger Side) – Needed to Complete Installation
Not Included: Fuel Injectors
Fuel Injector Sub Harnesses