{"product_id":"holley-558-455-efi-transmission-control-harness-2009-gm-4l60","title":"Holley 558-455 EFI Transmission Control Harness - 2009+ GM 4L60","description":"For 2009+ GM 4L60\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 558-455\u003cbr\u003e\u003cbr\u003eExpanding our transmission control options for our EFI systems, this harness provides plug and play for 2009+ GM 4L60 transmissions using a Dominator. 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.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures and Benefits\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e• Plug and play fully terminated harness\u003cbr\u003e• Made for Dominator\u003cbr\u003e• Connectors and unterminated wires for easy installation\u003cbr\u003e• Built in Relay (Must be wired to a switched 12V source)\u003cbr\u003e\u003cbr\u003e\u003cem\u003eRequires 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\/em\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":48275941556451,"sku":"558-455","price":416.1,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/0821\/9875\/files\/262a3425db8b8825951dfc450d8c2648.jpg?v=1771070345","url":"https:\/\/fastlanespares.co.nz\/products\/holley-558-455-efi-transmission-control-harness-2009-gm-4l60","provider":"Fast Lane Spares","version":"1.0","type":"link"}