{"product_id":"pro-dash-input-output-harness","title":"Pro-Dash Input\/Output Harness","description":"Pro-Dash Input\/Output Harness\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOverview\u003cbr\u003eExpanding 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.\u003cbr\u003e\u003cbr\u003eRequires software version 5.0 build 100 or higher and ECU firmware 5.0 build 110 or higher\u003cbr\u003e\u003cbr\u003eLinks\u003cbr\u003e\u003ca href=\"https:\/\/www.holley.com\/\/documents.holley.com\/199r12075.pdf\/\"\u003eInstruction Sheet\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.holley.com\/\/documents.holley.com\/199r12079.pdf\/\"\u003eInstructions\u003c\/a\u003e","brand":"The Tuner Store","offers":[{"title":"Default Title","offer_id":44812025266262,"sku":"558-456","price":263.09,"currency_code":"USD","in_stock":true}],"url":"https:\/\/ezbuyco.com\/products\/pro-dash-input-output-harness","provider":"EzBuyCo","version":"1.0","type":"link"}