{"product_id":"gm-4l60-2009-trans-harness","title":"GM 4L60 (2009+) TRANS HARNESS","description":"\u003cp\u003e\u003cb\u003ePart #:\u003c\/b\u003e 558-455\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\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuilt in Relay - Must be wired to a switched 12v source.\u003c\/li\u003e\n\u003cli\u003ePlug and play with 2009+ GM 4L60E Transmissions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":52258630271288,"sku":"H00E 558-455","price":258.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/horsepower-asset-519552-3292343-square.webp?v=1778123175","url":"https:\/\/store.motormia.co\/products\/gm-4l60-2009-trans-harness","provider":"MOTORMIA","version":"1.0","type":"link"}