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Painless 1998-2004 GM LS1/LS6 EFI Extra Length Harness - Mechanical TB

Painless 1998-2004 GM LS1/LS6 EFI Extra Length Harness - Mechanical TB

Regular price $881.56
Regular price $1,159.95 Sale price $881.56
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Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.

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Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.

For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.

This harness is designed for the 1998-2002 LS1 mechanical throttle body engines using a 1999+ LS1 / LS6 ECM with a 4L60E/4L65E automatic or T56 manual transmission. These engines were found in 1998-2002 Camaro/Firebird. This harness will also work on 1997-2004 Throttle By Wire (TBW) LS1/LS6 engines which has been changed to mechanical throttle body or any 1999-2006 (4.8, 5.3, & 6.2) Vortec truck engine which has been changed to a factory of aftermarket LS1 intake manifold, mechanical throttle body, and injectors. Harnesses do not include any emissions related connections but are available separate. Included with this harness is an 8 circuit modular fuse block and GM color coded wires with labels for easy installation.

This extended length harness allows eight feet from the back of the intake manifold to where the fuseblock and ECM mount. Perfect for those that plan to mount these components under the seat or in the center console.

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

Specs:

Number of Circuits: 8 Fuses with 2 Ignition & 1 Fuel Pump Relay
Harness Length: 8 Feet Between Engine and ECM
Fuse Type: Blade
Firewall Passthrough: Grommet
Color Code Based: 2000 Camaro
Circuit Designations: Printed Wire Tags on all Connectors and Open Ended Wires

The Fuse Block Protects The Following Circuits:

  • DLC B+
  • Driver Side Injectors and Coils
  • Dual 40 amp Ignition Relays
  • Fuel Pump
  • Heated O2 Sensors, Mass Airflow Sensor, & Brake Switch
  • Pass Side Injectors and Coils
  • ECM and Malfunction Indicator Lamp
  • ECM B+
  • Transmission

This harness includes connections for the following components:

  • Alternator 
  • Brake Switch
  • Cam Position Sensor
  • Crank Position Sensor
  • Data Link Connector 
  • Driver/Pass Front O2 Sensors
  • 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 
  • Idle Air Control
  • Ignition Coils
  • Ignition Switch Signal
  • Injectors
  • Intake Air Temperature Sensor
  • Knock Sensors
  • Malfunction Indicator Lamp
  • MAP Sensor
  • Mass Airflow Sensor
  • ECM
  • Reverse Lockout Solenoid 
  • Skip Shift Light 
  • Skip Shift Solenoid 
  • Starter
  • Tachometer
  • Throttle Position Sensor
  • Transmission
  • VATS
  • Vehicle Speed Sensor
  • VSS Output for Speedometer

Application

Year: 1998 - 2004
Make: General Motors
Model: Camaro, Firebird, Corvette
Engine: 5.7L LS1 / LS6 w/ Cable Throttle Body
Trans.: 4L60E, T-56

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Vehicle fitment