Painless Integrated EFI/Chassis Harness for GM LS1/LS6 1997-2004 These integrated EFI/Chassis harnesses are the perfect solution for anyone doing a complete rewire of a vehicle as well as transplanting a GM Gen III fuel injected engine. This kit is designed for use on 1999-2006 4.6L/5.3L/6.0L Vortec truck engines with a 4L60E transmission. The chassis wiring and fuel injection wiring are fully integrated into a single 26 circuit/7 relay fuse block, eliminating the need to have separate fuses and relays for the fuel injection. These harnesses do not support flex fuel engines and require the use of a mechanical throttle body. Included in this kit you will also find all the required terminals & connectors for easy installation. This harness also requires the following mating parts: ECM #12200411
This harness has the following chassis connections: - AC & Heat - Accessory/Cigarette Lighter - Backup Lights - Brake Lights - Charging - Cruise Control - Courtesy & Dome Light - Electric Fuel Pump - Emergency Flashers - Cooling Fan Relay #1 - Cooling Fan Relay #2 - Fused Power Source - Headlights - Horn Relay - Ignition Coil - Instrument Panel Lighting and Gauges - Park Lights - Power Antenna - Power Door Locks - Power Windows - Radio/Clock (Constant and Switched) - Starting - Tail Lights - Third Brake Light - Turn Signals - Wipers
The fuel injection harness includes connections for the following components: - AC Compressor - Alternator - Cam Position Sensor - Coolant Temperature Gauge - Crank Position Sensor - Data Link Connector - Driver/Pass Front O2 Sensors - Engine Coolant Temperature - Fuel Pump Relay - Grounds - Idle Air Control - Ignition Coils - Ignition Switch Signal - Injectors - Intake Air Temperature Sensor - Knock Sensors - Malfunction Indicator Lamp - MAP Sensor - Mass Airflow Sensor/Intake Air Temperature Sensor - Oil Pressure Gauge - ECM - PRNDL Switch - Starter - Tachometer - Throttle Position Sensor - Transmission - Vehicle Speed Sensor - VSS Output for Speedometer
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