PSI 03 - 07 Gen 3 LS (24X) Drive by Wire Standalone Harness T56/Manual/Non-Electronic

The PSI standalone harness is designed for retrofitting 2003-2007 Vortec 4.8L, 5.3L, 5.7L, and 6.0L engines with T56/TR6060 manual or non-electronic transmissions into older muscle cars and street rods or newer non-emissions controlled vehicles.

Designed for drive-by-wire applications, this harness uses the GREEN/BLUE 242 PCM and supports T56/TR6060 manual transmissions as well as non-electronic transmissions such as the TH350, TH400, Powerglide, 700R4, and 200-4R. Transmission compatibility is not limited to those listed; any manual or non-electronic transmission can be used.

Application:

2003-2007 Chevrolet Truck Engines
2003-2007 GMC Truck Engines
2003-2007 Cadillac Truck Engines
2003-2007 Hummer Truck Engines
Vortec 4.8L, 5.3L, 5.7L, and 6.0L Engines
Drive by Wire Only
T56 / TR6060 Manual Transmissions
TH350, TH400, Powerglide, 700R4, and 200-4R Non-Electronic Transmissions
Other Manual or Non-Electronic 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 Engines
Designed for T56/TR6060 Manual or Non-Electronic Transmissions
Any Manual or Non-Electronic Transmission Can Be Used
Computer and Harness Are Provisioned to Look for No Input from the Transmission for Operation
Designed for Older Muscle Cars, Street Rods, or Newer Non-Emissions Controlled Vehicles
Allows Use of the Factory Vortec Intake Manifold
Multec, EV6, or EV1 Injectors Available
Fully Plug and Play with Four-Wire Hookup
Switched Power, Constant Power, and Ground Connections Required
Sliding Grommet Seal
4-5 Feet of Length from the Rear of the Cylinder Head to the PCM Mounting Position Under the Vehicle Dashboard
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