PSI 03-07 Gen 3 LS 24X Drive by Wire Standalone Harness / 4L60E-75 / 4L8E0E

This PSI standalone harness is designed for 2003-2007 Chevrolet, GMC, Cadillac, and Hummer truck engines using drive by wire with 4L60E-75/4L80E transmissions and a Green/Blue 242 PCM. The harness is completely plug and play with a four-wire hookup for engine and transmission operation.

Designed for retrofit applications, the harness allows use of the factory Vortec intake manifold and Multec injectors, with flex-fuel EV6 and EV1 injectors optional.

Application:

2003-2007 Chevrolet Truck Engines
2003-2007 GMC Truck Engines
2003-2007 Cadillac Truck Engines
2003-2007 Hummer Truck Engines
Drive by Wire Only
4L60E-75 / 4L80E Transmissions
Green/Blue 242 PCM

Parts Included:

Complete Engine and Transmission Harness
Instruction Manual

Additional Item Required:

Green/Blue 242 PCM

Connections For:

Fuse / Relay Box
Fuel Pump Control – Relay Included
Fan Controls – Relays and Fuse Available Separately (KIT-1010)
Check Engine Light
Speedometer Output
Tachometer
OBD2 Port
IAC and TPS on DBC Setups
MAF Sensor
MAP Sensor
Engine Coolant Temperature Sensor
Alternator Control
(2) Upstream Oxygen Sensors
Crankshaft Position
Camshaft Position
Fuel Injectors
Coil Packs
Automatic or Manual Transmission Control
Knock Sensors

Connections You Will Need to Hook Up:

Fuel Pump – Required
Switched Ignition Power – Required
Malfunction Indicator – Check Engine, MIL, CEL, Etc.
Speedometer
Tachometer
Fan 1 Relay Control – Low Speed or Single Control
Fan 2 Relay Control – High Speed or Second Fan Control
Fan Relays Available Separately – KIT-1010

Harness Features & Notes:

Designed for Retrofitting 2003-2007 Vortec 4.8L, 5.3L, 6.0L, and 5.7L Engines with 4L60E-75/4L80E Automatic Transmissions
Designed for Older Muscle Cars, Street Rods, or Newer Non-Emissions Controlled Vehicles
Completely Plug and Play with Four-Wire Hookup
Switched Power, Constant Power, and Ground Connections Required
Allows Use of the Factory Vortec Intake Manifold
Allows Use of Multec Injectors
Flex-Fuel EV6 and EV1 Injectors Optional
Approximately 4.5 Feet of Harness Length from the Rear of the Cylinder Head
Designed to Place the PCM Under the Dash in the Glove Compartment Area
Sliding Grommet Seal Allows for Professional, Leak-Proof Installation
Constructed from Brand New GM Delphi Connectors
TXL (Polyethylene Cross Linked) High-Temperature Wire to GM Specifications
100% Quality Inspected Prior to Shipping
PCM VATs Removal Required and Available Through PSI