3rd Gen LS Harness Info
Bellow is all the information that I have collected and devoloped for 3rd gen LS harnesses from 99 to 07 Chevy/GMC trucks and SUVs.
4th Gen LS Harness Info Coming Soon
The 4th gen LS engine ( 07.5-13 ) has a completly different ECM and harness setup compared to 3rd gen ( 99-07 ). The information will be avilible in the same format as soon as it is ready.