{"product_id":"warn-winch-contactor-76429-4-post-rt40-xt40-4-0ci","title":"WARN Winch Contactor | 76429 | 4-Post | RT40\/XT40\/4.0ci","description":"\u003cp\u003eRestore power circuit function to your RT\/XT40 or 4.0ci winch with the \u003cstrong\u003eWARN Winch Contactor (Part #76429)\u003c\/strong\u003e. Genuine WARN OEM 4-post replacement contactor — the high-current relay that switches winch motor power on and off. Meaningful replacement for buyers whose winch has failed at the contactor rather than the motor itself.\u003c\/p\u003e\n\n\u003ch3\u003e⚠️ Compatible WARN Winch Models\u003c\/h3\u003e\n\u003cp\u003eThis contactor is engineered specifically for the following WARN winches:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eWARN RT40\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eWARN XT40\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eWARN 4.0ci\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eVerify your existing winch model before ordering — contactors are not universally interchangeable across the WARN winch lineup.\u003c\/p\u003e\n\n\u003ch3\u003eWhat This Does\u003c\/h3\u003e\n\u003cp\u003eThe winch contactor is the \u003cstrong\u003ehigh-current relay\u003c\/strong\u003e that switches winch motor power on and off in response to your controller inputs (in\/out\/stop). It's the electrical intermediary between your controller and the winch motor. Meaningful failure symptoms suggesting contactor replacement:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWinch doesn't respond\u003c\/strong\u003e to controller input despite good battery voltage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWinch runs in only one direction\u003c\/strong\u003e (in OR out, but not both)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWinch continues running after releasing controller\u003c\/strong\u003e — stuck contactor contacts\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eClicking sound with no motor operation\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eIntermittent or erratic operation\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRV \u0026amp; Trailer Winch Applications\u003c\/h3\u003e\n\u003cp\u003eWARN RT\/XT40 and 4.0ci winches see common RV-adjacent use in:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eToy hauler bed winches\u003c\/strong\u003e — loading motorcycles, ATVs, side-by-sides\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCargo trailer winches\u003c\/strong\u003e — loading equipment or vehicles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUtility trailer setups\u003c\/strong\u003e — general loading assistance\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eCamper and RV recovery applications\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e4-Post Design\u003c\/h3\u003e\n\u003cp\u003eThe 76429 uses the \u003cstrong\u003e4-post contactor architecture\u003c\/strong\u003e — verify your existing contactor is the 4-post configuration before ordering (some WARN winches use different post-count contactors).\u003c\/p\u003e\n\n\u003ch3\u003eCross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 76429\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚠️ Professional Installation Recommended\u003c\/h3\u003e\n\u003cp\u003eInstallation involves high-current DC electrical work — winch contactors switch heavy amperage during winch operation, so all connections must be secure and correctly torqued to prevent overheating or arcing. Installation should be performed by a \u003cstrong\u003equalified technician\u003c\/strong\u003e unless you have prior experience with winch electrical service. Always disconnect the winch battery before servicing.\u003c\/p\u003e\n\n\u003ch3\u003eGenuine WARN OEM\u003c\/h3\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine WARN OEM\u003c\/strong\u003e winch contactor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 76429\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eFor WARN RT40, XT40, and 4.0ci winches\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e4-post design\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommon failure point\u003c\/strong\u003e — restores winch operation when the motor is still good\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRV-adjacent applications:\u003c\/strong\u003e toy hauler bed winches, cargo trailer winches, utility trailer setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: WARN\u003c\/li\u003e\n  \u003cli\u003eManufacturer Part Number: 76429\u003c\/li\u003e\n  \u003cli\u003eType: Winch Contactor (High-Current Relay)\u003c\/li\u003e\n  \u003cli\u003ePost Configuration: 4-post\u003c\/li\u003e\n  \u003cli\u003eCompatible Winches: WARN RT40, XT40, 4.0ci\u003c\/li\u003e\n  \u003cli\u003eApplication: RV\/Trailer winch service (toy haulers, cargo trailers, utility trailers, camper recovery)\u003c\/li\u003e\n  \u003cli\u003eWarranty: Manufacturer's warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WARN","offers":[{"title":"Default Title","offer_id":58371657957679,"sku":null,"price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/7663\/0063\/files\/ImageServerAPI_9.jpg?v=1787766658","url":"https:\/\/thervsurplus.com\/products\/warn-winch-contactor-76429-4-post-rt40-xt40-4-0ci","provider":"The RV Surplus","version":"1.0","type":"link"}