{"product_id":"2017-ford-super-duty-upfitter-harness-extensions","title":"2017+ Ford Super Duty Upfitter Harness Extensions","description":"\u003ch2 data-start=\"119\" data-end=\"146\"\u003e\u003cstrong data-start=\"123\" data-end=\"146\"\u003eUpfitter Extensions\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"147\" data-end=\"400\"\u003eNeed more reach from your upfitter relay box? Our \u003cstrong data-start=\"197\" data-end=\"220\"\u003eUpfitter Extensions\u003c\/strong\u003e use the same OEM-style connectors featured in our No-Crimp Solution, giving you clean, reliable plug-and-play access to each upfitter circuit — no cutting, no splicing required.\u003c\/p\u003e\n\u003cp data-start=\"402\" data-end=\"606\"\u003eEach extension includes:\u003cbr data-start=\"426\" data-end=\"429\"\u003e• 18 inches of wire with 12 inches of protective nylon sleeving\u003cbr data-start=\"492\" data-end=\"495\"\u003e• Matching male and female connectors\u003cbr data-start=\"532\" data-end=\"535\"\u003e• Heat-shrink solder connectors for secure, weather-resistant splices\u003c\/p\u003e\n\u003ch3 data-start=\"263\" data-end=\"291\"\u003eAvailable Configurations\u003c\/h3\u003e\n\u003cp data-start=\"293\" data-end=\"464\"\u003eHarness extensions are offered in the \u003cstrong data-start=\"331\" data-end=\"395\"\u003esame configuration options as our Upfitter No-Crimp Solution\u003c\/strong\u003e, ensuring consistent integration and a clean, system-level approach.\u003c\/p\u003e\n\u003cp data-start=\"466\" data-end=\"503\"\u003e\u003cstrong data-start=\"466\" data-end=\"503\"\u003eAvailable configurations include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"505\" data-end=\"566\"\u003e\u003cstrong data-start=\"505\" data-end=\"515\"\u003e6-Wire\u003c\/strong\u003e\u003cbr data-start=\"515\" data-end=\"518\"\u003eIncludes all standard factory upfitter circuits.\u003c\/p\u003e\n\u003cp data-start=\"568\" data-end=\"637\"\u003e\u003cstrong data-start=\"568\" data-end=\"578\"\u003e7-Wire\u003c\/strong\u003e\u003cbr data-start=\"578\" data-end=\"581\"\u003eIncludes all standard factory upfitter circuits, plus:\u003c\/p\u003e\n\u003cul data-start=\"638\" data-end=\"660\"\u003e\n\u003cli data-start=\"638\" data-end=\"660\"\u003e\n\u003cp data-start=\"640\" data-end=\"660\"\u003eIgnition-hot circuit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"662\" data-end=\"731\"\u003e\u003cstrong data-start=\"662\" data-end=\"672\"\u003e8-Wire\u003c\/strong\u003e\u003cbr data-start=\"672\" data-end=\"675\"\u003eIncludes all standard factory upfitter circuits, plus:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"734\" data-end=\"756\"\u003eIgnition-hot circuit\u003c\/li\u003e\n\u003cli data-start=\"734\" data-end=\"756\"\u003eAlways-hot 20-amp accessory power circuit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"802\" data-end=\"855\"\u003e\u003cstrong data-start=\"802\" data-end=\"813\"\u003e10-Wire\u003c\/strong\u003e\u003cbr data-start=\"813\" data-end=\"816\"\u003eFull access configuration, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"858\" data-end=\"898\"\u003eAll standard factory upfitter circuits\u003c\/li\u003e\n\u003cli data-start=\"858\" data-end=\"898\"\u003eIgnition-hot circuit\u003c\/li\u003e\n\u003cli data-start=\"858\" data-end=\"898\"\u003eAlways-hot 20-amp accessory power circuit\u003c\/li\u003e\n\u003cli\u003eBoth PTO (Power Take-Off) wires\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1007\" data-end=\"1174\"\u003eThis configuration structure keeps the system scalable and intentional, while allowing customers to choose the level of access that best matches their accessory needs.\u003c\/p\u003e\n\u003ch3 data-start=\"1505\" data-end=\"1538\"\u003eElectrical Load Best Practice\u003c\/h3\u003e\n\u003cp data-start=\"1540\" data-end=\"1969\"\u003eFord upfitter circuits allow for higher current capability, but most accessories draw far less than the maximum rating. For accessories that involve \u003cstrong data-start=\"1689\" data-end=\"1721\"\u003esustained high-current loads\u003c\/strong\u003e (such as onboard air compressors or large inverters), standard automotive practice is to use the upfitter switch as a \u003cstrong data-start=\"1840\" data-end=\"1901\"\u003econtrol signal for a dedicated relay and fused power feed\u003c\/strong\u003e, rather than routing the full load through intermediate connectors.\u003c\/p\u003e\n\u003cp data-start=\"1971\" data-end=\"2094\"\u003eThis approach reduces heat at connection points, minimizes voltage drop, and provides the most reliable long-term solution.\u003c\/p\u003e\n\u003cp data-start=\"824\" data-end=\"897\"\u003eFor a clean and complete install, pair with our \u003cstrong data-start=\"872\" data-end=\"894\"\u003eGrounding Solution\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"899\" data-end=\"977\"\u003eCompatible with 2017–present Super Duty trucks.\u003cbr data-start=\"946\" data-end=\"949\"\u003e\u003cstrong data-start=\"949\" data-end=\"977\"\u003eProudly made in the USA.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Open Trail Creations","offers":[{"title":"17 - 22 \/ 6 Wire","offer_id":47508908179627,"sku":"sku-45609816064151","price":79.0,"currency_code":"USD","in_stock":true},{"title":"17 - 22 \/ 7 Wire","offer_id":47508908212395,"sku":"sku-45609816096919","price":89.0,"currency_code":"USD","in_stock":true},{"title":"17 - 22 \/ 8 Wire","offer_id":47508908245163,"sku":"sku-46829052657815","price":99.0,"currency_code":"USD","in_stock":true},{"title":"17 - 22 \/ 10 Wire","offer_id":47508908277931,"sku":"sku-46258278695063","price":109.0,"currency_code":"USD","in_stock":true},{"title":"23+ \/ 6 Wire","offer_id":47508908310699,"sku":"sku-45609816129687","price":79.0,"currency_code":"USD","in_stock":true},{"title":"23+ \/ 7 Wire","offer_id":47508908343467,"sku":"sku-45609816162455","price":89.0,"currency_code":"USD","in_stock":true},{"title":"23+ \/ 8 Wire","offer_id":47508908376235,"sku":"sku-46829052690583","price":99.0,"currency_code":"USD","in_stock":true},{"title":"23+ \/ 10 Wire","offer_id":47508908409003,"sku":"sku-46258278727831","price":109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/8504\/9003\/files\/20250619_191528.jpg?v=1785150867","url":"https:\/\/dieselcurrent.com\/products\/2017-ford-super-duty-upfitter-harness-extensions","provider":"Diesel Current","version":"1.0","type":"link"}