![EFI Wiring Harness and ECM for 1999-2006 GM Gen III C/K Truck LS 4.8L, 5.3L, 6.0L [4L80E Transmission]](https://www.jegs.com/images/mini_750/700/764/764-60716.jpg)
EFI Wiring Harness and ECM for 1999-2006 GM Gen III C/K Truck LS 4.8L, 5.3L, 6.0L [4L80E Transmission]
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
- EFI Wiring Harness and ECM
- 1999-2006 GM Gen III C/K Truck LS 4.8L, 5.3L, 6.0L
- With 4L80E Transmission
- Mechanical Throttle Body
- VATS Removed on ECM
This Painless harness set comes complete with a 764-60217 standalone harness and a 764-60718 engine control module (ECM). The standalone harness is for installing a mechanical throttle body on a GM Gen III Vortec 6.0L engine with a 4L80E transmission. The ECM has the vehicle anti-theft system (VATS) removed and is loaded with a 6.0/4L80E truck tune (requires additional tuning).
Note: Do not replace the OEM engine wiring with this harness.


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