Check the listing for details. AutoMeter Mechanical to Electric Hall Effect Speedometer Sender for GM/Chrysler. Condition: New. Listed at 138.54 USD. AutoMeter vehicle speed sensors generate the signal you need to make installing an AutoMeter electric speedometer in your vehicle quick and easy. Compatible with GM and Chrysler transmissions with a 7/8" -18 threaded speedometer cable output, this vehicle speed sensor outputs a 16 pulse per revolution (PPR), 12v square wave signal. Featuring a mechanical cable output, this sensor has the ability to retain the mechanical cable in applications with mechanically driven cruise control. Autometer Hall Effect Speedometer Sender Mechanical to Electric GM/Chrysler 7/8in-18 Thread 16 Pulse Features Attachment Method: Screw-In Connector Gender: Male Dimensions: 2.680 in. x 10.460 in. x 1.500 in. Pressure: N/A Temperature:.