▶Product Description:
--This harness is a 3 wire MAF and a 1 wire alternator.
--As you can imagine, there is a lot that goes into making an engine harness. There is even more that goes into making a Quality Engine Harness!
--All Harnesses are long enough for the PCM to be mounted under the dash (Added 18" For Easy Computer Mounting)
--All Harnesses have a High Quality Grommet installed on the Harness (That Slides For Desired Mounting)
--Harnesses receive a quality check before shipment.
--GM Color Codes. Many Companies Do Not Use GM Color Codes.
--High Quality Reinforced Ring Terminals
--1200 Degree Fiberglass Braid on All Circuits Ran by Heat
--Harness comes with a complete install instruction packet.
--All harnesses come with the needed Dash Connections, which include Speedometer, Tachometer, Park Neutral, TCC, Malfunction Indicator, and a DLC Port.

Features:
--18" Added Length For Easy Computer Mounting
--Upgraded Wire For Running Those Big Injectors (will run any size injector without issues)
--Harness comes with a complete install instruction packet.

▶Applicable Models:
(The Compatibility is Just For Reference. Please Compare it With Your Original One Before Purchasing! )
For 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Drive By Wire LS1 Engines with T56(DBC) 4.8 5.3 6.0 VORTEC

▶Package Include:
1 Set Standalone Wiring Harness（same as pictures show!!!）

♥ Note:
Please use the VIN to obtain the original part (OE) no. Please make sure that the model number, part number, and photo are the same as yours before ordering.
We recommend professional installation when you are not familiar with it. Be careful when installing and testing, otherwise, it will cause damage to the parts.
Communication is the best way to solve the problem. If you have any problems after purchasing, please contact us in time, before opening return or case.