{"product_id":"arnes-de-motor-detroit-series-60-12-7l-ddec-iv-reemplazo-oem-spec","title":"Detroit Series 60 12.7L DDEC IV Engine Harness — OEM-Spec Direct Replacement","description":"\u003cp\u003e\u003cstrong\u003e🛡️ 12-month warranty\u003c\/strong\u003e · \u003cstrong\u003e🚚 Ships in 1 business day\u003c\/strong\u003e from Houston, TX · \u003cstrong\u003e💬 \u003ca href=\"https:\/\/wa.me\/13463404684\"\u003eTechnical support in English and Spanish via WhatsApp\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e Detroit Diesel Series 60 12.7L with DDEC IV ECM\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eType:\u003c\/strong\u003e direct-replacement engine harness, OEM-spec quality\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e any truck with the factory Series 60 12.7 DDEC IV (Freightliner, Western Star, Kenworth, Peterbilt and more)\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eWire:\u003c\/strong\u003e SAE J1128-certified automotive wire — resistant to heat, oil and diesel\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eVerification:\u003c\/strong\u003e pin-to-pin continuity against the DDEC IV diagram before shipping\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e🛡️ Buy without the risk of ordering wrong:\u003c\/strong\u003e final sale with a 12-month warranty against manufacturing defects — and before you buy, \u003cstrong\u003ewe verify compatibility for FREE via WhatsApp\u003c\/strong\u003e with a photo of your ECM or your engine serial number.\u003c\/p\u003e\u003ch2\u003eThe harness that brings your Series 60 12.7's electronics back to life\u003c\/h2\u003e\u003cp\u003eThis is the \u003cstrong\u003eengine harness\u003c\/strong\u003e for the \u003cstrong\u003eDetroit Diesel Series 60 12.7L with a DDEC IV ECM\u003c\/strong\u003e: the wiring that connects the ECM to the engine sensors. It is a \u003cstrong\u003edirect replacement for the original harness\u003c\/strong\u003e, built by CTS in Houston to OEM-spec quality — part of our \u003cstrong\u003eCTS Precision Series™\u003c\/strong\u003e line.\u003c\/p\u003e\u003cp\u003eAfter 20+ years of heat, oil and vibration, the original harness on these engines is one of the most common causes of \"ghost\" electrical failures. If your truck shows any of these symptoms, the harness is the first suspect:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSensor codes that come and go for no reason\u003c\/li\u003e\u003cli\u003eErratic temperature, oil pressure or coolant readings\u003c\/li\u003e\u003cli\u003eEngine derates or an intermittent check engine that \"fixes itself\"\u003c\/li\u003e\u003cli\u003eWire insulation that is dry, cracked or peeling near the engine\u003c\/li\u003e\u003cli\u003eStacked splices and repairs from previous owners\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eA harness patched splice over splice is never reliable again. A complete replacement eliminates the problem at the root — and saves you weeks of chasing bad contacts.\u003c\/p\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003e🔌 What this harness connects\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt is the harness that links the \u003cstrong\u003eDDEC IV ECM to the engine sensors\u003c\/strong\u003e of the Series 60 12.7L, with the correct connectors for the factory configuration. Every unit is built against the DDEC IV diagram and verified pin to pin before leaving the laboratory.\u003c\/p\u003e\u003cp\u003eWant to confirm it covers exactly the circuits of your configuration? \u003cstrong\u003e\u003ca href=\"https:\/\/wa.me\/13463404684?text=Hi%20CTS%2C%20I%20want%20to%20confirm%20the%20DDEC%20IV%20engine%20harness%20for%20my%20Series%2060%2012.7\"\u003eSend us a photo of your current harness or ECM on WhatsApp\u003c\/a\u003e\u003c\/strong\u003e and we will confirm before you buy.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e✅ Who this harness is for\u003c\/strong\u003e\u003c\/summary\u003e\u003cul\u003e\u003cli\u003eOwner-operators with a Series 60 12.7 who have spent months chasing intermittent electrical faults\u003c\/li\u003e\u003cli\u003eShops rebuilding or reconditioning Series 60 engines that want to deliver with fresh wiring\u003c\/li\u003e\u003cli\u003eFleets with DDEC IV units that want to eliminate sensor faults at the root\u003c\/li\u003e\u003cli\u003eAnyone who already spent money on new sensors and the fault is still there — because the problem was the wire, not the sensor\u003c\/li\u003e\u003c\/ul\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e🔥 Why this harness lasts\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eAn engine harness lives against the heat of the Series 60, splashed with oil and vibrating 24\/7. Cheap harnesses fail for the same three reasons: the insulation dries out, cracks from heat, or peels where it touches fluids.\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eSAE J1128-certified automotive wire\u003c\/strong\u003e — the same technical grade as our swap harnesses\u003c\/li\u003e\u003cli\u003eTerminals crimped with calibrated tooling and \u003cstrong\u003everified pull-test\u003c\/strong\u003e\u003c\/li\u003e\u003cli\u003eCorrugated loom + heat shrink at branch points\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003ePin-to-pin continuity verified\u003c\/strong\u003e against the DDEC IV diagram\u003c\/li\u003e\u003cli\u003eSKU and version marked on the harness + quality inspection certificate (QC pass)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eIt is not the cheapest wire on the market. It is the right wire for the job.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e🔧 Technical specifications\u003c\/strong\u003e\u003c\/summary\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eField\u003c\/th\u003e\u003cth\u003eDetail\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eProduct\u003c\/td\u003e\u003ctd\u003eEngine harness — direct replacement\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eEngine\u003c\/td\u003e\u003ctd\u003eDetroit Diesel Series 60 12.7L\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eECM\u003c\/td\u003e\u003ctd\u003eDDEC IV (DDEC 4)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eApplication\u003c\/td\u003e\u003ctd\u003eTrucks with the factory Series 60 12.7 — fits by engine, not by cab\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eLine\u003c\/td\u003e\u003ctd\u003eCTS Precision Series™ · Essential quality\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eWire grade\u003c\/td\u003e\u003ctd\u003eCertified automotive (SAE J1128), high heat\/oil\/diesel resistance\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eTermination\u003c\/td\u003e\u003ctd\u003eCrimped terminals with verified pull-test\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eProtection\u003c\/td\u003e\u003ctd\u003eCorrugated loom + heat shrink at branch points\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eVerification\u003c\/td\u003e\u003ctd\u003ePin-to-pin continuity against the DDEC IV diagram\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eCurrent version\u003c\/td\u003e\u003ctd\u003eV1\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eSKU\u003c\/td\u003e\u003ctd\u003eHRN-CTS-PRC-DDEC4-OEM-EH-ESS-V1\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e❌ What it does NOT include\u003c\/strong\u003e\u003c\/summary\u003e\u003cul\u003e\u003cli\u003eDoes not include the injector sub-harness (separate product — contact us if you need it)\u003c\/li\u003e\u003cli\u003eDoes not include engine sensors\u003c\/li\u003e\u003cli\u003eDoes not include the DDEC IV ECM (if you need one programmed, contact us)\u003c\/li\u003e\u003cli\u003eIt is not for swaps: if you are installing the Series 60 into a cab that did not come with it, what you need is our \u003ca href=\"\/en\/products\/arnes-integracion-adaptacion-swap-detroit-series-60-12-7-ddec4-cascadia-2009-2017\"\u003eCTS Integration Series™ integration system\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e🚚 Shipping and availability\u003c\/strong\u003e\u003c\/summary\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eReady stock\u003c\/strong\u003e — ships within 1 business day from Houston, TX; most orders ship the same day\u003c\/li\u003e\u003cli\u003eU.S. domestic shipping via UPS\u003c\/li\u003e\u003cli\u003eShipping to Latin America via DHL Express with duties prepaid (DDP) to 13 countries — arrives ready for pickup, no customs surprises\u003c\/li\u003e\u003c\/ul\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e🛡️ Warranty\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003e\u003cstrong\u003e12-month warranty against manufacturing defects\u003c\/strong\u003e from the ship date. It does not cover damage from incorrect installation, misuse, or failures external to the harness (ECM, sensors, external short circuits).\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e❓ Frequently asked questions\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003e\u003cstrong\u003eDoes it include the injector harness?\u003c\/strong\u003e\u003cbr\u003eNo. This is the engine (sensor) harness. The injector sub-harness is a separate part — message us on WhatsApp if you also need it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work with DDEC III or DDEC V?\u003c\/strong\u003e\u003cbr\u003eThis harness is specific to \u003cstrong\u003eDDEC IV\u003c\/strong\u003e. If you have DDEC III or DDEC V, contact us and we will confirm availability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it fit my truck?\u003c\/strong\u003e\u003cbr\u003eIf your truck has the factory Series 60 12.7L with DDEC IV — whether Freightliner, Western Star, Kenworth or Peterbilt — this harness fits by engine. If in doubt, \u003ca href=\"https:\/\/wa.me\/13463404684\"\u003esend us a photo of the ECM or your current harness on WhatsApp\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this an original Detroit OEM harness?\u003c\/strong\u003e\u003cbr\u003eIt is an \u003cstrong\u003eOEM-spec harness built by CTS\u003c\/strong\u003e: same functions and connectors as the original, with SAE J1128-certified automotive wire and pin-to-pin verification — at a fraction of dealer price.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat if it arrives with a defect?\u003c\/strong\u003e\u003cbr\u003eContact us within the first 48 hours with photos and the serial number. We process the replacement at no cost under the 12-month warranty.\u003c\/p\u003e\u003c\/details\u003e\u003ch3\u003e🏭 Built by CTS in Houston, Texas\u003c\/h3\u003e\u003cp\u003eCTS (Car Tuning Star) is a technical laboratory specializing in heavy-duty trucks: ECM programming, computer repair, harness manufacturing, electrical diagnostics and general mechanics. Technical support in English and Spanish via WhatsApp, phone and email — we speak shop language, because the CTS team comes from the shop.\u003c\/p\u003e","brand":"CTS - Car Tuning Star","offers":[{"title":"Default Title","offer_id":54051465134444,"sku":"HRN-CTS-PRC-DDEC4-OEM-EH-ESS-V1","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/3768\/4844\/files\/IMG-20250318-WA0061.jpg?v=1786587569","url":"https:\/\/cartuningstar.com\/en\/products\/arnes-de-motor-detroit-series-60-12-7l-ddec-iv-reemplazo-oem-spec","provider":"CTS - Car Tuning Star","version":"1.0","type":"link"}