{"product_id":"standard-ignition-sc638-automatic-transmission-input-shaft-speed-sensor","title":"Standard Ignition SC638 Automatic Transmission Input Shaft Speed Sensor","description":"\u003ch2\u003eOverview of Standard Ignition SC638 Transmission Sensor\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition SC638 is an automatic transmission input shaft speed sensor designed specifically for Chevrolet Spark models. This sensor plays a critical role in monitoring the input shaft speed to ensure smooth transmission operation and accurate vehicle performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConnector Gender: Female\u003c\/li\u003e\n\u003cli\u003eConnector Quantity: 1\u003c\/li\u003e\n\u003cli\u003eConnector Shape: Oval\u003c\/li\u003e\n\u003cli\u003eConnector Type: Plug in\u003c\/li\u003e\n\u003cli\u003eMounting Location: On transmission\u003c\/li\u003e\n\u003cli\u003eMounting Type: Bolt mount\u003c\/li\u003e\n\u003cli\u003eTerminal Gender: Male\u003c\/li\u003e\n\u003cli\u003eTerminal Quantity: 3\u003c\/li\u003e\n\u003cli\u003eTerminal Type: Blade\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition SC638 automatic transmission input shaft speed sensor is engineered to provide reliable and precise input shaft speed data for Chevrolet Spark vehicles. Featuring a female oval plug-in connector with a single connection point, this sensor ensures secure electrical contact. It mounts directly on the transmission using a bolt mount system, providing stable and accurate positioning. The sensor terminals are male blade types, with three terminals to facilitate proper signal transmission and communication with the vehicle’s transmission control module.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps prevent erratic shifting and transmission slipping\u003c\/li\u003e\n\u003cli\u003eResolves inaccurate speedometer readings related to transmission input speed\u003c\/li\u003e\n\u003cli\u003eEliminates transmission warning lights caused by faulty input shaft speed data\u003c\/li\u003e\n\u003cli\u003eImproves overall transmission performance and responsiveness\u003c\/li\u003e\n\u003cli\u003eSupports proper operation of automatic transmission systems in Chevrolet Spark models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is safely lifted and supported before accessing the transmission\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery to prevent electrical shorts during installation\u003c\/li\u003e\n\u003cli\u003eLocate the existing input shaft speed sensor on the transmission and remove mounting bolts\u003c\/li\u003e\n\u003cli\u003eCarefully unplug the female oval connector and replace with the Standard Ignition SC638 sensor\u003c\/li\u003e\n\u003cli\u003eSecure the sensor with the bolt mount and reconnect the electrical connector firmly\u003c\/li\u003e\n\u003cli\u003eTest the vehicle to confirm proper sensor operation and transmission response\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStandard Ignition parts, including the SC638 automatic transmission input shaft speed sensor, are manufactured to meet or exceed OEM specifications. This sensor undergoes rigorous quality control to ensure durability and reliable performance in Chevrolet Spark vehicles. Warranty coverage details are provided by Standard Ignition and typically include protection against defects in materials and workmanship for a specified period.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44704868040885,"sku":"FBHK-SC638","price":150.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_SC638_Fro.jpg?v=1775094408","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-sc638-automatic-transmission-input-shaft-speed-sensor","provider":"PartCatalog","version":"1.0","type":"link"}