{"product_id":"holley-efi-558-455-transmission-control-harness","title":"Holley EFI 558-455 - Transmission Control Harness","description":"\u003cp\u003eHolley EFI 558-455 - Transmission Control Harness\u003c\/p\u003e\u003cp\u003eHolley EFI Transmission Control Harness - 2009+ GM 4L60\u003c\/p\u003e\u003cp\u003eTransmission Control Harness;\u003c\/p\u003e\u003cp\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.\u003c\/p\u003e\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\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: \u003cspan\u003eHolley EFI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCategory\u003c\/strong\u003e: \u003cspan\u003eTransmission\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eConnector Quantity\u003c\/strong\u003e: \u003cspan\u003e4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEmission Code\u003c\/strong\u003e: \u003cspan\u003e5\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrade Type\u003c\/strong\u003e: \u003cspan\u003ePerformance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHarness Application\u003c\/strong\u003e: \u003cspan\u003eGM\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHarness Type\u003c\/strong\u003e: \u003cspan\u003eTransmission\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMake\u003c\/strong\u003e: \u003cspan\u003eGM\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003epart type\u003c\/strong\u003e: \u003cspan\u003eAutomatic Transmission Wiring Harness\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: \u003cspan\u003eTransmission Harness\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSub Category\u003c\/strong\u003e: \u003cspan\u003eAutomatic Transmission Components\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWarning\u003c\/strong\u003e: \u003cspan\u003eCalifornia Proposition 65\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":47327734038666,"sku":"HOLEFI-558-455","price":309.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_558-455_011981_normalized.jpg?v=1776462879","url":"https:\/\/www.onlyinstock.com\/products\/holley-efi-558-455-transmission-control-harness","provider":"Only In Stock","version":"1.0","type":"link"}