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Painless Performance - Off Road Fuel Injection Wire Harnesses

LT-1/LT-4 Wiring Harness/1992-'97/Std. Length #PPP-60502

The V8 LT1 & LT4 Sequential Fuel Injection engines this Painless Performance®™ harness operates are the perfect upgrade for any project vehicle. Harness utilizes factory components listed in the next paragraph or see the actual part numbers in the installation manual.

For installations of 1992 - 1997 LT1/LT4 V8 engines using an ECM with service #16188051 or 88961150 into any vehicle. Harness includes all connections needed for fuel injection and transmission operation: ECM, Ignition Module, IAT, CTS, Coil, Left & Right O2, EGR, MAP, IAC, Knock, Air Pump Relay, MAF, Fuel Pump Relay, Canister Purge Solenoid, VSS and 4L60E Transmission. Harness includes its own fuse block with ignition relays. 4 feet of harness between ECM connections and main engine breakout gives ample room for custom installation and mounting of ECM behind dash, in the kick panel or 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.
  • Vehicle Anti Theft System (VATS) bypass module
  • Crimp on terminals and rubber grommet.
  • Mounting hardware.
  • Installation manual.

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2006-'08 LS2/3/7 With Manual Transmission/Fuel Injection Wire Harness #PPP-60524

installations of a 58X crank, throttle by wire, LS2/LS3/LS7 engine using the factory E-38 style ECM. Harness includes all connections for fuel injection operation: ECM, TPS, TAC Module, TAC Motor, APPS, CTS, IAT, MAF, MAP, Injectors, Coils, CMP, CKP, Knock, VSS, T-56 Transmission, Front Bank 1 & 2 O2 Sensors, OBD2 w/SES Light and Cruise Control. Harness does not include any emissions or automatic transmission related connections.

Features include:

  • Utilizes Factory E-38 Style ECM
  • Integrated Weatherproof Fuseblock
  • 10 Fused Power Circuits includ ECM/DLC, Injectors, Coils, O2 Sensors, ECM Ignition, MAF and Fuel Pump
  • Integrated Fuel Pump and Ignition Relays
  • Plugs Directly into 2006-'08 Factory Corvette Cooling Fan PWM Module Assembly
  • 4 feet of harness length between ECM connections and main engine breakout

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2006-'08 LS2/3/7 Manual Transmission/Fuel Injection Wire Harness/Extra Length #PPP-60525

For installations of a 58X crank, throttle by wire, LS2/LS3/LS7 engine using the factory E-38 style ECM. Harness includes all connections for fuel injection operation: ECM, TPS, TAC Module, TAC Motor, APPS, CTS, IAT, MAF, MAP, Injectors, Coils, CMP, CKP, Knock, VSS, T-56 Transmission, Front Bank 1 & 2 O2 Sensors, OBD2 w/SES Light and Cruise Control. Harness does not include any emissions or automatic transmission related connections.

Features include:

  • Utilizes Factory E-38 Style ECM
  • Integrated Weatherproof Fuseblock
  • 10 Fused Power Circuits includ ECM/DLC, Injectors, Coils, O2 Sensors, ECM Ignition, MAF and Fuel Pump
  • Integrated Fuel Pump and Ignition Relays
  • Plugs Directly into 2006-'08 Factory Corvette Cooling Fan PWM Module Assembly
  • 8 feet of harness length between ECM connections and main engine breakout

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1997-'04 Mechanical Throttle Body LS1/6 W/4L60E Integrated W/26 Cir. Chassis #PPP-60608

Rewire your LS1/LS6 project truck or car with one Painless harness, the 60608. All required chassis to fuel injection harness integration has already been done for you. Four easy steps to upgrading your vehicles wiring.

  • Mount the integrated fuse block under the dash.
  • Mount your LS1/LS6 ECM under or behind the passenger seat, under the dash, in the engine compartment, behind the headlight buckets or in the fender.
  • Route and connect the wires according to the fully illustrated instruction manual.
  • Drive the vehicle.

Great features only found in the 60608:

  • 26 circuit/ 7 relay fuse block.
  • Fitment = 1997-2004 LS1/LS6 mechanical throttle body fuel injection with 4L60E automatic transmission harness and universal chassis harness (GM color coded) integrated into a single fuse block.
  • Includes connections for factory style LS1 Camaro cruise control module.
  • Mounts ECM in engine compartment, under the dash or under the passenger/driver seats.
  • One fuse block to mount.
  • No extra relays to purchase for standard installation.
  • If fuse block expansion is needed, relay kits that clip to the side of the fuse block are available (add up to 5 expansion relays).
  • A/C compressor is ECM controlled for torque compensation (eliminates low idle issues with the A/C on).
  • Integrated grounding circuits that cover the entire vehicle bumper to bumper.
  • Free ECM reflash with purchase of 60608. CLICK HERE FOR MORE INFO.

Harness provides fused power circuits for

1. Injectors
2. Coils
3. PCM/MIL
4. O2/MAF
5. Fuel pump
6. Transmission
7. Cooling Fan 1
8. Cooling Fan 2
9. Wiper motor
10. Turn signals
11. Cruise control/Instrument panel
12. Power windows
13. A/C heat
14. Radio B+
15. Radio Ignition hot
16. Stop/Hazard lights
17. Backup lights
18. Dome/Interior lights
19. Headlight
20. Taillight
21. Horn
22. Cigarette Lighter/DLC/PCM
23. Power door locks
24. Ignition switch
25. Battery
26. Accessory

Harness provides relays for the following

1. Transmission
2. Fuel Injection System
3. Horn
4. A/C Compressor Clutch
5. Fuel Pump
6. Cooling Fan 1
7. Cooling Fan 2

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