Painless EFI Engine Harness for GM LS2 2005-2006
This harness is designed for the 2005-2006 throttle by wire LS2 engines using an LS1/LS6 and a 4L60E/4L65E automatic or T56 manual transmission. The engine must have a 24x crank reluctor (black). This harness will not work with a factory GTO ECM. This harness will only operate these LS2 engine codes: ZJA, ZJB, 5MC, YTA, and 6MC. These engines were factory equipped in 2005 Corvettes, 2005-2006 GTO, 2006 SSR, and also available as a crate engine from GMP. Harnesses do not include any emissions related connections. This standard length harness allows four feet from the back of the intake manifold to where the fuse block and ECM mount. Perfect for those that plan to mount these components under the dash or in the glove box.
This kit includes:
- All new fuel injection harness with OEM fitment connectors and harness breakouts
- OBDII connector, mounting bracket and check engine light
- Rubber grommet
- Mounting hardware
This harness also requires the following mating parts; ECM #12200411, TAC Module #12578953, Accelerator Pedal #12565643.
Note: GM no longer offers the accelerator pedal #12565643. The sensor is still available, however, the full assembly is not. It is recommended that you source a pedal before proceeding with your project.
The fuse block protects the following circuits:
- DLC B+
- Driver Side Injectors and Coils
- Dual 40 amp Ignition Relays
- ECM and Malfunction Indicator Lamp
- ECM B+
- Fuel Pump
- Heated O2 Sensors, Mass Airflow Sensor, & Brake Switch
- Pass. Side Injectors and Coils
- Transmission and TAC Module
This harness includes connections for the following components:
- Accelerator Pedal Position Sensor
- Alternator
- Brake Switch
- Cam Position Sensor
- Clutch Pedal Position
- Crank Position Sensor
- Cruise Control
- Data Link Connector
- Driver/Pass Front O2 Sensors
- Driver/Pass Knock Sensors
- ECM
- Engine Coolant Temperature
- Fan #1 Relay Ground ECM Activation
- Fan #2 Relay Ground ECM Activation
- Fuel Pump
- Fuel Pump Relay
- Fuel Pump Test
- Gear Indicator Switch
- Grounds
- Ignition Coils
- Ignition Switch Signal
- Injectors
- Malfunction Indicator Lamp
- MAP Sensor
- Mass Airflow/Intake Air Temperature Sensor
- Oil Pressure Sensor
- Reverse Lockout Solenoid
- Skip Shift Light
- Skip Shift Solenoid
- Starter
- Throttle Actuator Control Module
- Throttle Actuator Control Module to Accelerator Pedal Pigtail
- Tachometer
- Throttle Body
- Transmission
- Vehicle Speed Sensor
- VSS Output for Speedometer
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