Extra length for easy installation.GM Color Cod which can help you to install.High temperature resistant material, durable and durable.Has been tested for quality and can be used with confidence. Note: Please ensure that the product description is in line with the parts to be replaced to avoid unnecessary returns. If this 4L60E stand-alone engine harness has any problems, we support a return. Thank you for your support and understand. Package Content: 1 x Complete Kit of Wire Harness1 x English Manual Easy to install: Never disconnect the battery while the ignition is on.Never short any wires in the wiring harness to ground (with the exception to the ground wires) this can cause damage to the PCM.A Multi-meter with a minimum of 10-Mohm resistance is required for test circuits. Do not back probe wires, this can lead to permanent wire damage. Fitment: Fits for 1997-2006 LS1 4.8l/5.3l/6.0l Engine Vortec (DRIVE BY WIRE ONLY) WITH 4L60E TRANSMISSIONS. Compatible with Chevy GMC Cadillac Hummer Trucks Have Transmission Sensor Connectors, 3 Wire MAF and a 1 Wire Alternator The harnesses are for non-emissions equipped vehicles and do not include air pump or EGR provisions. Serve We focus on saving customers and vehicle maintenance personnel as well as car owners time and money, greater freedom and convenience of maintaining their own vehicles Brand Auto parts solutions Since 1993 DYRDINSHOW is a manufacturing company of 28000 square meters offering window regulators, radiator fans, motor starters，ignition coils and other manufacturer brands, professional maintenance technicians, performance enthusiasts and car manufacturers Strict Quality Control All our products go through strict quality control, not only before transportation, but throughout the production process. At every step of production, multiple quality control checks are performed to ensure that each part lasts for years. DYRDINSHOW Brand Packing Each new product is incorporated into each design, resulting in a reliable catalog that is ready to be shipped upon customer request.