{"product_id":"holley-efi-transmission-control-harness-2009-gm-4l60-558-455","title":"Holley EFI Transmission Control Harness - 2009+ GM 4L60 - 558-455","description":"Expanding our transmission control options for our EFI systems, this harness provides plug and play for 2009+ GM 4L60 transmissions using a Dominator, Terminator X Max or Sniper Transmission Controller. This also contains an internal turbine speed sensor, which was not on the previous models. Additionally, the valve body range selector is wired and controlled differently from the ECU.\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePlug and play fully terminated harness\u003c\/li\u003e\n\u003cli\u003eCompatible with Dominator, Terminator X Max and Sniper Transmission Controllers\u003c\/li\u003e\n\u003cli\u003eConnectors and unterminated wires for easy installation\u003c\/li\u003e\n\u003cli\u003eBuilt in Relay (Must be wired to a switched 12V source)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details:\u003c\/strong\u003e For 2009+ GM 4L60\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Quantity:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade Type:\u003c\/strong\u003e Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarness Application:\u003c\/strong\u003e GM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarness Type:\u003c\/strong\u003e Transmission\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e GM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Automatic Transmission Wiring Harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Transmission Harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes:\u003c\/h3\u003e\n\u003cp\u003eWhen used with Dominator ECU - Requires software version 5.0 build 100 or higher and ECU firmware 5.0 build 110 or higher. This product is not compatible with 4WD installations.\u003c\/p\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":49715504709870,"sku":"HLY-558-455","price":299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/9110\/6798\/files\/24e2ae2401e7e53144ac13cb62fdca90e3f64818.jpg?v=1791569341","url":"https:\/\/elmosspeedshop.com\/products\/holley-efi-transmission-control-harness-2009-gm-4l60-558-455","provider":"Elmo's Speed Shop","version":"1.0","type":"link"}