{"product_id":"tcs-1685-waux-ka5-keep-alive-with-auxiliary-harness","title":"TCS 1685 | WAUX-KA5 Keep Alive w\/ Aux Harness for WOW101 | DCC Accessory","description":"\u003cdiv class=\"sectionContent\"\u003e\n  \u003cp\u003e\u003cstrong\u003eThe WAUX-KA5 is designed specifically for use with the TCS WOW101 decoder.\u003c\/strong\u003e It's a Keep-Alive® energy storage device that supplies continuous power to the decoder whenever the locomotive loses track contact, paired with a built-in auxiliary harness that also routes the decoder's auxiliary outputs for additional functions.\u003c\/p\u003e\n  \u003cp\u003eThe KA5 packs five supercapacitors for higher storage capacity and peak voltage than a KA3 or KA4, keeping your locomotive moving and headlights lit for roughly 6–20 seconds through dirty track, frogs, and other dead spots.\u003c\/p\u003e\n  \u003cp\u003eShop more \u003ca href=\"https:\/\/squeakystrains.com\/collections\/dcc-accessories\" target=\"_blank\"\u003eDCC Accessories\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakystrains.com\/collections\/train-control-systems\" target=\"_blank\"\u003eTrain Control Systems products\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eFeatures\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003cul\u003e\n    \u003cli\u003eDesigned for use with the TCS WOW101 decoder (not compatible with other decoders without modification)\u003c\/li\u003e\n    \u003cli\u003eFive supercapacitors for maximum storage capacity and peak charging voltage\u003c\/li\u003e\n    \u003cli\u003eIncludes auxiliary harness for the WOW101's additional function outputs\u003c\/li\u003e\n    \u003cli\u003eKeeps DCC locos running 6–20 seconds through dead spots and dirty track\u003c\/li\u003e\n    \u003cli\u003eKeeps headlights, sound, and motor alive during power interruptions\u003c\/li\u003e\n    \u003cli\u003eCompact form factor fits most HO scale locomotives; also usable in larger scales\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eMore Information\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eTrain Control Systems (TCS)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eItem Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e1685 (WAUX-KA5)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eDCC Keep-Alive Capacitor with Auxiliary Harness\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eTCS WOW101 decoder only\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCapacitor Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e5 supercapacitors\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eRun-On Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eApprox. 6–20 seconds for an HO-scale locomotive\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eScale Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eAny scale running a WOW101 decoder\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eFAQ\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003cp\u003e\u003cstrong\u003eWill this work with any TCS decoder?\u003c\/strong\u003e\u003cbr\u003eNo. The WAUX-KA5 is built specifically for the TCS WOW101 decoder. For other TCS decoders, use the KA5-P or another appropriate Keep-Alive model.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eWhat's the difference between this and the KA5-P?\u003c\/strong\u003e\u003cbr\u003eBoth use the same 5-supercapacitor bank, but the WAUX-KA5 adds a dedicated auxiliary harness wired for the WOW101's extra function outputs. The KA5-P has a simpler 2-pin plug for decoders with a standard Keep-Alive socket.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eHow long does it keep the loco running?\u003c\/strong\u003e\u003cbr\u003eRoughly 6–20 seconds depending on the locomotive's motor efficiency and what lighting\/sound functions are active.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eDo I need to solder anything?\u003c\/strong\u003e\u003cbr\u003eNo. The harness is pre-wired with the connectors needed for a WOW101 installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Train Control Systems","offers":[{"title":"Default Title","offer_id":48297584460031,"sku":"TCS-1685","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0443\/5968\/0161\/files\/image_7d56a28f-7bc9-4d53-bb6f-1dc1b41ea670.png?v=1773752447","url":"https:\/\/squeakystrains.com\/products\/tcs-1685-waux-ka5-keep-alive-with-auxiliary-harness","provider":"Squeaky's Trains \u0026 Things","version":"1.0","type":"link"}