{"product_id":"classic-instruments-magnetic-proximity-sensor-sn78sm","title":"Classic Instruments Magnetic Proximity Sensor - SN78SM","description":"The Magnetic Proximity Sensor will respond to pulse signals across a 1\/16\" air-gap between the sensor tip and disk-rotor, IRS-CV joint bolt-heads or notched brake-drum edge.;\u003cbr clear=\"none\" xmlns=\"\"\u003e\u003cbr clear=\"none\" xmlns=\"\"\u003eIt is useful on trans-axle setups or transmissions without mechanical speedometer cable connection.;\u003cbr clear=\"none\" xmlns=\"\"\u003e\u003cbr clear=\"none\" xmlns=\"\"\u003eUsing a stock GM Speed Sensor - 700R, 4L60, etc. Our Speed Pulse Convertor Box is used on late model GM 700-R or 4L60 over-drive transmission applications with a GM VSS (Vehicle Speed Sensor). This Convertor Box will convert the signals from the stock GM-VSS so your Classic Programmable Speedometer will read and operate correctly. The original GM-VSS signal can still be used to operate your fuel-injection, engine monitoring, transmission shift points, etc.","brand":"Classic Instruments","offers":[{"title":"Default Title","offer_id":49695613059310,"sku":"CIN-SN78SM","price":112.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/9110\/6798\/files\/95520d2b64f02bde87cdaa6fee5667e3afc46160.jpg?v=1791411371","url":"https:\/\/elmosspeedshop.com\/products\/classic-instruments-magnetic-proximity-sensor-sn78sm","provider":"Elmo's Speed Shop","version":"1.0","type":"link"}