{"product_id":"fleece-performance-04-5-05-gm-2500-3500-duramax-w-allison-transmission-nsbu-pigtail","title":"Fleece Performance 04.5-05 GM 2500\/3500 Duramax (w\/Allison Transmission) NSBU Pigtail","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eFPE-HAR-GM-NSBU-0405\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 732777409600\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFleece Performance 04.5-05 GM 2500\/3500 Duramax (w\/Allison Transmission) NSBU Pigtail\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Fleece Performance NSBU Pigtail replaces the factory wiring harness on 2004.5-2005 Chevrolet Silverado and GMC Sierra 2500HD\/3500HD trucks equipped with 6.6L LLY Duramax diesel and Allison 1000 transmission. Corrosion at the firewall NSBU connector leads to no-crank no-start issues and transmission limp mode which this direct-fit pigtail resolves. Built with TXL cross-linked polyethylene wire and sealed Weatherpack connectors it ensures dependable signal delivery and resistance to moisture road salt and harsh conditions.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Installation:\u003c\/strong\u003e Matches OEM firewall connector locations for fast replacement without cutting or splicing wires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Protection:\u003c\/strong\u003e TXL 18-gauge wire with high-temperature rating and weather-tight silicone seals blocks water dirt and chemicals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNSBU Switch Reliability:\u003c\/strong\u003e Restores neutral safety and backup switch signals to prevent starting failures and limp mode activation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact OEM Fit:\u003c\/strong\u003e Precision-engineered for 04.5-05 LLY Duramax (VIN 8th digit Y) with full Allison transmission compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSA Made Quality:\u003c\/strong\u003e Assembled by Fleece Performance using precision-crimped terminals for consistent electrical contact and durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm your truck has Allison automatic transmission and LLY Duramax engine (VIN 8th digit Y).\u003c\/li\u003e\n\u003cli\u003eInspect firewall connector for damage before install to ensure full repair.\u003c\/li\u003e\n\u003cli\u003eSpecial order item processing may take 1-2 extra days if not in stock.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eDisconnect negative battery cable and relieve fuel pressure before starting.\u003c\/li\u003e\n\u003cli\u003eAccess pigtail at driver-side firewall transmission harness connector no special tools required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eLS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 3500\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 3500\u003c\/td\u003e\n\u003ctd\u003eLS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 3500\u003c\/td\u003e\n\u003ctd\u003eLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 3500\u003c\/td\u003e\n\u003ctd\u003eWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eSLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500\u003c\/td\u003e\n\u003ctd\u003eSLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500\u003c\/td\u003e\n\u003ctd\u003eWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Fleece Performance?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e20+ years specializing in Duramax diesel components and tuning solutions.\u003c\/li\u003e\n\u003cli\u003eHigh-grade materials tested for heavy-duty truck environments.\u003c\/li\u003e\n\u003cli\u003eEngineered and assembled in the USA for precise fit and durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does this fit early 2004 Duramax trucks?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Fits 2004.5-2005 models with LLY engine (VIN 8th digit Y) and Allison transmission check VIN for exact match.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What wire and connector materials are used?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e TXL 18-gauge wire rated for high temperatures with OEM-style Delphi Weatherpack connectors and silicone seals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and install time?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Limited lifetime warranty against defects installs in 15-30 minutes with basic hand tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground \/ USPS Priority\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective padded envelope 6 x 4 x 1 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.1 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default 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