Product Summary

Universal Fit

  • Engineered to be a complete stand alone harness
  • It is GM color coded and has a closed loop design
  • Specifically designed for the 1999-2002 GM LS1 engine
  • Features a ALDL (diagnostic) plug and has foolproof factory connections
  • It allows you to install late model GM fuel injected engine and correct computer into almost any chassis

Key Specs

MFG. Part #60508
BrandPainless Wiring

Need To Know

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Painless Wiring 60508 Details

Take advantage of GMs electronic engine management system with this Painless Wiring Harness. Complete stand alone harness allows you to install late model GM fuel injected engine and correct computer into almost any chassis. 

Besides the obvious economy and driveability benefits, check out these other great features that make it easy and painless to install:

  • Foolproof factory connections
  • ALDL (diagnostic) plug
  • Computer controlled fuel pump provision
  • GM color code
  • Closed loop design
  • Complete information manual

Item Details

4 Feet Between Engine and ECM


For installations of a mechanical throttle body LS1 / LS6 engine with a 4L60E or T-56 transmission using ECMs with service #12200411 or #9354896. These engines and transmissions were factory equipped in 1999 - 2002 Chevrolet Camaro. This harness may also be used when a throttle by wire LS1 or LS6 from a Corvette is converted to mechanical throttle.

  • Year: 1999 - 2002
  • Make: General Motors 
  • Model: Camaro, Firebird, Corvette 
  • Engine: 5.7L LS1 / LS6 w/ Cable Throttle Body 
  • Trans.: 4L60E, T-56
  • Painless Application Chart (PDF)




Number of Circuits: 8 Fuses with 2 Ignition & 1 Fuel Pump Relay
Fuse Type: Blade
Firewall Passthrough: Grommet
Color Code Based: 2000 Camaro
Connectors Included: ECM, TPS, IAC, CTS, IAT, MAF, MAP, Injectors, Coils, CMP, CKP, Knock, VSS, Transmission, Front Bank 1 & 2 O2 Sensors
Circuit Designations: Printed Wire Tags on all Connectors and Open Ended Wires

These kits include:

  • All new fuel injection harness with OEM fitment connectors and harness breakouts
  • OBDII connector, mounting bracket and check engine light
  • Harness does not include any emissions related connections
  • Crimp-on terminals, rubber grommet
  • Mounting hardware
  • Installation manual


CARB Warning

Follow EPA, CARB, and state regulations for engine changes

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine

Painless Wiring 60508 Specifications

MFG. Part #60508
BrandPainless Wiring
Sold in QuantityKit
GTIN Code749823605084