{"product_id":"arnes-swap-detroit-series-60-12-7l-ddec4-kenworth-t680-2013-2016","title":"Detroit Series 60 12.7L DDEC IV Swap Harness — Kenworth T680 2013-2016","description":"\u003cp\u003e\u003cstrong\u003e🛡️ Works or we swap it: 30 days\u003c\/strong\u003e · \u003cstrong\u003e🚚 Ships the next business day\u003c\/strong\u003e from Houston, TX · \u003cstrong\u003e💬 \u003ca href=\"\/en\/pages\/whatsapp\"\u003eTech support in English and Spanish on WhatsApp\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⏱️ Save dozens of labor hours:\u003c\/strong\u003e the electrical side of your swap arrives solved and tested, no splice-by-splice wiring.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e Detroit Series 60 12.7L with DDEC IV ECM\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCab:\u003c\/strong\u003e Kenworth T680 2013–2016\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e Plug \u0026amp; Play through the factory openings, no cutting or splicing\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e engine harness + in-cab harness\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCruise and engine brake:\u003c\/strong\u003e from the switches your T680 already has on the dash\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDash:\u003c\/strong\u003e every gauge and warning light working 100%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTwo-harness system to fit your Detroit Series 60 12.7L DDEC IV into a Kenworth T680\u003c\/h2\u003e\n\u003cp\u003eThe Kenworth T680 \u003cstrong\u003enever came from the factory with a Series 60\u003c\/strong\u003e. This \u003cstrong\u003etwo-harness integration system\u003c\/strong\u003e handles the whole electrical side of the swap or repower with a \u003cstrong\u003eDetroit Diesel Series 60 12.7L with a DDEC IV ECM\u003c\/strong\u003e. Every harness is built in our Houston lab, with controlled crimping and pin-to-pin continuity checks.\u003c\/p\u003e\n\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003e✅ No module needed on the T680\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe DDEC IV uses the J1587 protocol, so cruise and engine brake don't work the way they do on newer trucks. On a Cascadia that means choosing between new switches or a steering-wheel module. \u003cstrong\u003eThe T680 already has cruise and engine brake switches on the dash\u003c\/strong\u003e: the harness connects them and you're done. No module, no switches to buy.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e🔌 What the system includes\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e\u003cstrong\u003e1. Engine harness (engine ↔ cab):\u003c\/strong\u003e connects the DDEC IV ECM to batteries, starter, ignition signal, fan clutch, coolant level sensor and A\/C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. In-cab harness:\u003c\/strong\u003e accelerator pedal, the T680's cruise and engine brake switches, dash with every gauge and warning light, and ECM ↔ cab communication (J1587).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIn the box:\u003c\/strong\u003e both harnesses with labeled terminals and connectors.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e🔧 Technical specifications\u003c\/strong\u003e\u003c\/summary\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eField\u003c\/th\u003e\u003cth\u003eDetail\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eSystem\u003c\/td\u003e\u003ctd\u003e2 harnesses (engine + in-cab) in one kit\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEngine\u003c\/td\u003e\u003ctd\u003eDetroit Diesel Series 60 12.7L\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eECM\u003c\/td\u003e\u003ctd\u003eDDEC IV (DDEC 4)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCab\u003c\/td\u003e\u003ctd\u003eKenworth T680 2013 – 2016\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eInstallation\u003c\/td\u003e\u003ctd\u003ePlug \u0026amp; Play through the factory openings, no cutting or splicing\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProtocol\u003c\/td\u003e\u003ctd\u003eJ1587\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eWire\u003c\/td\u003e\u003ctd\u003e18 AWG engine; 16 AWG injectors. SAE J1128 certified automotive wire, heat, oil and diesel resistant\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCruise and engine brake\u003c\/td\u003e\u003ctd\u003eT680 factory dash switches\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eDash\u003c\/td\u003e\u003ctd\u003eGauges and warning lights working with the factory dash\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eSKU\u003c\/td\u003e\u003ctd\u003eHRN-CTS-INT-T680-1316-DDEC4-EIH-V1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e❌ What it does NOT include\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003eThe DDEC IV ECM (message us if you need one programmed)\u003c\/li\u003e\n\u003cli\u003eSensors, injectors or the injector sub-harness\u003c\/li\u003e\n\u003cli\u003eChassis or transmission harness\u003c\/li\u003e\n\u003cli\u003eThe mechanical side of the swap (mounts, fuel lines, cooling)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e🚚 Shipping\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003eShips the next business day from Houston, TX\u003c\/li\u003e\n\u003cli\u003eU.S. via UPS · Latin America via DHL Express with duties prepaid (DDP) to 13 countries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e❓ FAQ\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e\u003cstrong\u003eDo I have to cut or modify my T680?\u003c\/strong\u003e\u003cbr\u003eNo. It goes through the factory openings and no truck wire is cut or spliced.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to install switches or buy a module?\u003c\/strong\u003e\u003cbr\u003eNo. The T680 already has cruise and engine brake switches; the harness connects them.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the dash read right with the Series 60?\u003c\/strong\u003e\u003cbr\u003eYes. Gauges and warning lights work 100% with the T680's factory dash.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMy engine is a 14.0L DDEC V. Will this harness work?\u003c\/strong\u003e\u003cbr\u003eNo. This one is only for the 12.7L with DDEC IV. \u003ca href=\"\/en\/pages\/whatsapp?msg=Hi%20CTS%2C%20I%20want%20to%20check%20the%20Series%2060%20DDEC%20IV%20harness%20for%20my%20Kenworth%20T680\"\u003eMessage us on WhatsApp\u003c\/a\u003e and we'll tell you what you need.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat if my cab is a Freightliner Cascadia?\u003c\/strong\u003e\u003cbr\u003eFor 2009–2016 Cascadia we have a different system: \u003ca href=\"\/en\/products\/arnes-integracion-adaptacion-swap-detroit-series-60-12-7-ddec4-cascadia-2009-2016\"\u003e\u003cstrong\u003ego to the Cascadia harness\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it a factory harness?\u003c\/strong\u003e\u003cbr\u003eThere is no factory harness for this swap, because the T680 never came with a Series 60. It's an integration system designed and built by CTS for that combination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat if it arrives with a defect?\u003c\/strong\u003e\u003cbr\u003eLet us know within 48 hours with photos and the serial number, and we replace it at no cost.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cp\u003eQuestions? \u003cstrong\u003e\u003ca href=\"\/en\/pages\/whatsapp?msg=Hi%20CTS%2C%20I%20want%20to%20check%20the%20Series%2060%20DDEC%20IV%20harness%20for%20my%20Kenworth%20T680\"\u003eSend us your T680 year and a photo of the ECM label on WhatsApp\u003c\/a\u003e\u003c\/strong\u003e: we confirm the fit before you pay.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e🏭 Built by CTS in Houston, Texas.\u003c\/strong\u003e CTS is a diesel electronics lab: we build harnesses and bench cables, program truck computers and teach at CTS Academy.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWorks or we swap it: 30 days if the fault is CTS's (exchange, not refund) + 12 months against manufacturing defects. CTS is an independent manufacturer; Detroit Diesel and Kenworth are mentioned only to indicate compatibility.\u003c\/em\u003e\u003c\/p\u003e","brand":"CTS - Car Tuning Star","offers":[{"title":"Default Title","offer_id":67707622981996,"sku":"HRN-CTS-INT-T680-1316-DDEC4-EIH-V1","price":1650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/3768\/4844\/files\/arnes-t680.png?v=1791947394","url":"https:\/\/cartuningstar.com\/en\/products\/arnes-swap-detroit-series-60-12-7l-ddec4-kenworth-t680-2013-2016","provider":"CTS - Car Tuning Star","version":"1.0","type":"link"}