{"product_id":"western-29048-plug-in-harness-kit-hb3hb4-3-port-module","title":"Western 29048 – Plug-In Harness Kit (HB3\/HB4, 3-Port Module)","description":"\u003cp id=\"p-rc_09b29361bdd2981a-64\" data-path-to-node=\"6\"\u003eThe genuine Western 29048 Harness connects your vehicle's original headlight system directly to the truck-side isolation module. \u003cspan class=\"citation-86 citation-end-86\"\u003eThis complete wiring kit adapts the electrical signals on many classic Chevy and GMC trucks equipped with HB3 high beams and HB4 low beams.\u003c\/span\u003e Consequently, it allows your front lighting system to toggle cleanly between the truck and the plow light towers. Using a vehicle-specific setup prevents diagnostic dashboard warnings and ensures reliable power distribution when operating in sub-zero winter temperatures.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003eThis truck-side configuration combines the 11-pin vehicle light harness and individual headlamp adapters into one convenient package. Because the molded plugs match your vehicle's original connectors, you avoid cutting clean factory wiring during installation. Rugged protective loom shields the internal copper wires against heavy winter moisture, freezing sleet, and corrosive road salt. Therefore, your plow lights remain dependable through long commercial clearing runs.\u003c\/p\u003e\n\n\u003ch3 data-path-to-node=\"8\"\u003eBenefits of the Western 29048 Harness\u003c\/h3\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n \t\u003cli\u003e\n\u003cp id=\"p-rc_09b29361bdd2981a-65\" data-path-to-node=\"9,0,0\"\u003e\u003cspan class=\"citation-85 citation-end-85\"\u003eEngineered specifically for Chevy and GMC trucks with HB3 and HB4 headlight configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n \t\u003cli\u003e\n\u003cp id=\"p-rc_09b29361bdd2981a-66\" data-path-to-node=\"9,1,0\"\u003e\u003cspan class=\"citation-84 citation-end-84\"\u003eCombines the 26357 11-pin vehicle harness and 28253 headlamp adapters.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n \t\u003cli\u003e\n\u003cp id=\"p-rc_09b29361bdd2981a-67\" data-path-to-node=\"9,2,0\"\u003e\u003cspan class=\"citation-83 citation-end-83\"\u003eDesigned exclusively to work with standard truck-side 3-port isolation modules.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n \t\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003ePlug-and-play connections eliminate permanent or messy factory wiring modifications.\u003c\/p\u003e\n\u003c\/li\u003e\n \t\u003cli\u003e\n\u003cp data-path-to-node=\"9,4,0\"\u003eHeavy-duty insulation guards terminal contacts from severe weather and salt corrosion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eAdditional Info and Common Related Parts\u003c\/h3\u003e\n\u003cdiv class=\"horizontal-scroll-wrapper\"\u003e\n\u003ctable data-path-to-node=\"11\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eItem Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Role\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,0,0\"\u003e\u003cb data-path-to-node=\"11,1,0,0\" data-index-in-node=\"0\"\u003e\u003ca class=\"ng-star-inserted\" href=\"\/products\/western-29070-1-3-port-isolation-module\" target=\"_blank\" rel=\"noopener\" data-hveid=\"0\" data-ved=\"0CAAQ_4QMahgKEwjA3t7qho-VAxUAAAAAHQAAAAAQqgI\"\u003e29070-1\u003c\/a\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,1,0\"\u003e3-Port Isolation Module\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,2,0\"\u003eDirects electrical lighting signals between the vehicle and the plow.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,0,0\"\u003e\u003cb data-path-to-node=\"11,2,0,0\" data-index-in-node=\"0\"\u003e\u003ca class=\"ng-star-inserted\" href=\"\/products\/western-29047-3-port-isolation-module-vehicle-control-adapter-harness\" target=\"_blank\" rel=\"noopener\" data-hveid=\"0\" data-ved=\"0CAAQ_4QMahgKEwjA3t7qho-VAxUAAAAAHQAAAAAQqwI\"\u003e29047\u003c\/a\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,1,0\"\u003eAdapter Plug\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,2,0\"\u003eConnects or converts specific lighting lines at the 3-port module.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,0,0\"\u003e\u003cb data-path-to-node=\"11,3,0,0\" data-index-in-node=\"0\"\u003e\u003ca class=\"ng-star-inserted\" href=\"\/products\/western-49326-dielectric-grease-2-oz-tube\" target=\"_blank\" rel=\"noopener\" data-hveid=\"0\" data-ved=\"0CAAQ_4QMahgKEwjA3t7qho-VAxUAAAAAHQAAAAAQrAI\"\u003e49326\u003c\/a\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,1,0\"\u003eDielectric Grease\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,2,0\"\u003eSeals and protects electrical terminal connections from moisture corrosion.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,0,0\"\u003e\u003cb data-path-to-node=\"11,4,0,0\" data-index-in-node=\"0\"\u003e\u003ca class=\"ng-star-inserted\" href=\"\/products\/western-61548k-plug-cover-kit-set-of-2\" target=\"_blank\" rel=\"noopener\" data-hveid=\"0\" data-ved=\"0CAAQ_4QMahgKEwjA3t7qho-VAxUAAAAAHQAAAAAQrQI\"\u003e61548k\u003c\/a\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,1,0\"\u003ePlug Cover Kit\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,2,0\"\u003eProtects electrical grille connectors from moisture when the plow is detached.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eAlways refer to your Western Plow’s documentation and vehicle-specific installation instructions to confirm compatibility and proper installation procedures.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-sourcepos=\"1:1-1:264\"\u003eWestern Part # 29048 Plug-In Harness Kit (Vehicle Side) includes three essential components for a streamlined installation:\u003c\/p\u003e\n\n\u003cul data-sourcepos=\"3:1-8:0\"\u003e\n \t\u003cli data-sourcepos=\"3:1-4:0\"\u003e\n\u003cp data-sourcepos=\"3:3-3:314\"\u003e\u003cstrong\u003ePart # 28253 Plug-In Harness HB-3 \u0026amp; HB-4:\u003c\/strong\u003e This harness provides the necessary connections for vehicles equipped with HB-3 and HB-4 headlight bulb configurations, ensuring proper integration of the plow's headlights with the vehicle's lighting system. The plug-in design simplifies the connection process.\u003c\/p\u003e\n\u003c\/li\u003e\n \t\u003cli data-sourcepos=\"5:1-6:0\"\u003e\n\u003cp data-sourcepos=\"5:3-5:297\"\u003e\u003cstrong\u003ePart # 26357 Vehicle Lighting Harness – 11-Pin:\u003c\/strong\u003e This 11-pin harness serves as a central interface for various lighting and control signals between the vehicle and the snow plow. It facilitates the operation of turn signals, parking lights, and other essential lighting functions of the plow.\u003c\/p\u003e\n\u003c\/li\u003e\n \t\u003cli data-sourcepos=\"7:1-8:0\"\u003e\n\u003cp data-sourcepos=\"7:3-7:281\"\u003e\u003cstrong\u003ePart # 22381 Battery Adapters Side Terminal:\u003c\/strong\u003e These adapters are designed to provide a secure and reliable power connection to your vehicle's battery using a side terminal configuration. This ensures the plow's electrical system receives the necessary power for its operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Western Parts","offers":[{"title":"Default Title","offer_id":50146737979530,"sku":"29048","price":354.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/6217\/8698\/files\/IMG_20170619_152412-scaled-1.jpg?v=1788648229","url":"https:\/\/westernparts.com\/products\/western-29048-plug-in-harness-kit-hb3hb4-3-port-module","provider":"WesternParts.com","version":"1.0","type":"link"}