{"product_id":"3977456-wp3977456-dryer-start-switch","title":"3977456 WP3977456 Dryer Start Switch - For Kenmore Whirlpool Maytag Amana Dryers","description":"\u003ch2\u003e3977456 \/ WP3977456 Dryer Push-to-Start Switch\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMomentary Contact Logic:\u003c\/strong\u003e Engineered as a \"push-to-start\" safety mechanism that only sends a momentary electrical signal to the motor relay, preventing the dryer from auto-restarting after a power flicker or door opening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Internal Spring:\u003c\/strong\u003e Features a high-cycle tension spring designed to withstand thousands of presses without losing its \"snap\" or becoming stuck in the closed position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Arc Resistant Contacts:\u003c\/strong\u003e Manufactured with internal copper contacts treated to resist electrical pitting and arcing, ensuring a clean connection every time you begin a drying cycle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandardized Spade Terminals:\u003c\/strong\u003e Equipped with two 1\/4-inch male spade terminals for a secure, low-resistance connection to the dryer’s wiring harness, facilitating a true \"plug-and-play\" installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-pm-slice=\"1 1 []\"\u003eWP3977456\u003c\/li\u003e\n\u003cli data-pm-slice=\"1 1 []\"\u003eAP6009036\u003c\/li\u003e\n\u003cli data-pm-slice=\"1 1 []\"\u003ePS11742178\u003c\/li\u003e\n\u003cli data-pm-slice=\"1 1 []\"\u003eEAP11742178\u003c\/li\u003e\n\u003cli data-pm-slice=\"1 1 []\"\u003e898073\u003c\/li\u003e\n\u003cli data-pm-slice=\"1 1 []\"\u003eAP11742178\u003c\/li\u003e\n\u003cli data-pm-slice=\"1 1 []\"\u003ePD00003330\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis start switch is one of the most common components used in Whirlpool-built dryers over the last 30 years. Key compatible brands include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhirlpool \u0026amp; Kenmore:\u003c\/strong\u003e Fits hundreds of 29-inch wide residential dryers (e.g., Kenmore 70, 80, 90 series and Whirlpool Cabrio\/Duet models).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaytag \u0026amp; Amana:\u003c\/strong\u003e Compatible with various Centennial and Bravos series units produced after the Whirlpool acquisition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEstate, Roper, \u0026amp; KitchenAid:\u003c\/strong\u003e Direct fit for value-tier and premium-tier models utilizing the standard console configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrosley, Inglis, \u0026amp; Admiral:\u003c\/strong\u003e Fits various specialty and regional brands built on the Whirlpool chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e While this is a universal fit for many, verify the shape of the mounting \"D-stem\" on the back of your start knob to ensure a perfect match.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDryer Won't Start:\u003c\/strong\u003e The most common symptom; you press the button and nothing happens, even though the dryer is plugged in and the door is latched.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eButton is Stuck:\u003c\/strong\u003e The switch is stuck in the \"In\" position or feels \"mushy,\" indicating the internal spring has failed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntermittent Starting:\u003c\/strong\u003e You have to press the button multiple times or hold it down firmly for the dryer to finally engage the motor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisible Burn Marks:\u003c\/strong\u003e Upon inspection, the plastic around the spade terminals is melted or discolored, signaling a high-resistance electrical failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuity Failure:\u003c\/strong\u003e Testing with a multimeter shows no \"continuity\" (beep) between the two terminals when the button is manually depressed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First (\u003c\/strong\u003e\u003cstrong\u003eCRITICAL):\u003c\/strong\u003e Always unplug the dryer or turn off the circuit breaker before beginning. You will be working directly with the 120V control circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess the Console:\u003c\/strong\u003e On most models, you will need to remove a few screws from the back of the top console or pop the top clips to tilt the control panel forward.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Transfer\u003c\/strong\u003e (\u003cstrong\u003ePRO TIP):\u003c\/strong\u003e Do not pull all wires at once. Disconnect one wire from the old switch and plug it into the corresponding terminal on the new WP3977456 to avoid a wiring mix-up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTighten the Terminals:\u003c\/strong\u003e If the female connectors on your wiring harness feel loose, use a pair of needle-nose pliers to gently squeeze them for a tighter \"friction fit\" on the new switch terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Door Switch Check:\u003c\/strong\u003e Before installing, verify your \u003cstrong\u003eDoor Switch\u003c\/strong\u003e is working. If the door switch is broken, a brand-new start switch will still not make the dryer run.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":46393914294461,"sku":"AZ00130518","price":21.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00169457_1_5331a000-77a1-40c6-ab18-63a4f284cf03.jpg?v=1770708340","url":"https:\/\/bluestarsparts.com\/products\/3977456-wp3977456-dryer-start-switch","provider":"BlueStars Parts","version":"1.0","type":"link"}