Description:
easy to install
These harnesses are designed for '97 - '06 Vortec retrofits into older muscle cars and street rods or newer non-emissions controlled vehicles
They are completely plug and play with switched power, constant power and ground connections required
Harnesses allow for installing the PCM underneath the dash of your vehicle with a sliding grommet seal for that professional leak proof look

 

1. This LS1 standalone harnesses are designed for installing these new GM EFI engines into your ride, whatever it may be. 
2. Compatible with LS1 4L60E 2003-2006 Chevrolet, GMC, Cadillac and Hummer engine; suitable for 03-06 all using 4L60E(Vortec engine 4.8 5.3 6.0) transmission
3. This harness is a 3 wire MAF and a 1 wire alternator. For drive by cable throttle body Only.

 

Connections Included in this Standalone Harness:
Throttle Position Sensor
Idle Air Control Valve
Coolant Temperature Sensor
Alternator/Generator
All 8 Injectors with EV1 Injector Connectors
Bank 1 Coil Harness Connector
Bank 2 Coil Harness Connector
Knock Sensor Harness Connector
Camshaft Position Sensor
4L60e Transmission
Speed Sensor
Bank 1 Upstream Oxygen Sensor
Bank 2 Upstream Oxygen Sensor
Mass Air Flow
IAT (Only If using a 3 Wire MAF)
Crank Position Sensor
A/C Pressure Sensor
OBD II Port (DLC Port)
Single Harness Ground
Single Battery Constant Connection

Connections From Our Harness You Will Need to Hookup:
Fuel Pump (Required)
Switched Ignition (Required)
TCC Brake Switch (Converter Control – 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)

 

Fits following vehicles:
1999-2006 Drive By Cable LS1 Engines

1999-2002 Camaro/Firebird, 1999-2004 Corvette (DBC ONLY), 2004 GTO, 2003-2006 CTSV.

Notes:
Please check compatibility table, item specifics, part numbers as well as the product description to ensure this is the correct part for your vehicle.
Instruction not included. Professional installation is always recommended.

Package Content:
1x Complete for 4L60E wire harness DBC