Installation Time
(approx) 5 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
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Features, Description, Q&A, Specs & Installation
Enhanced Transmission Control and Reliability The Holley EFI Transmission Control Harness is designed to provide enhanced transmission control and reliability for your 2009-2013 Sierra 1500. This high-quality harness offers a versatile solution for improving your vehicle's transmission performance, ensuring secure and efficient operation. The robust construction is ideal for various driving conditions, providing improved control and responsiveness. This control harness is essential for Sierra 1500 owners looking to enhance their vehicle's functionality while maintaining durability.
Durable and Precise Design Constructed from high-quality materials, the Holley EFI Transmission Control Harness is built to withstand regular use and demanding driving conditions. The durable design ensures long-lasting performance, while the precision engineering guarantees a perfect fit and optimal functionality. This control harness offers both enhanced performance and reliability, ensuring your vehicle is ready for any adventure. Whether for daily driving or towing, this control harness is a practical and effective upgrade.
Installation The Holley EFI Transmission Control Harness is designed for direct plug-and-play connection to the Holley EFI systems and the 4L60E transmission. Installation includes routing and connecting the harness to the transmission and the EFI system according to the provided wiring diagrams.
Application This Holley EFI Transmission Control Harness fits 2009-2013 Sierra 1500 models with 4L60E transmissions.
Fitment:
Holley EFI 558-455
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 5 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
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