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Holley EFI Transmission Control Harness; 4L60E (09-13 Sierra 1500)

Item S162722
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Holley EFI Transmission Control Harness; 4L60E (09-13 Sierra 1500)
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      Product Information

      Features, Description, Q&A

      Features

      • Built In Relay - Must Be Wired To A Switched 12V Source
      • Plug And Play With 2009+ GM 4L60E Transmissions

      Description

      Expanding on our Transmission Control options from Holley EFI. This new harness 558-455 from Holley EFI provides plug and play transmission control for the 2009+ GM 4L60 when used with a Dominator ECU. The 2009+ GM 4L60E contains an internal turbine speed sensor, which was not on the previous model year transmissions. Additionally, the valve body range selector is wired and controlled differently from the ECU.

      Fitment:

      Holley EFI 558-455

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Questions & Answers

      10 More Questions

          Word on the Trail

          My favorite part is that you can put in your trucks make and model, and only shop parts that will fit that truck. Makes life so much easier.

          Desrteagl5
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