Heathkit Automotive Tune-Up Meter Model ID-29

This is a vintage Heathkit automotive tune-up meter model ID-29. It features selectable cylinder settings for 3, 4, 6, and 8 cylinder engines along with functions for DC volts, RPM, and dwell. It includes the original hard shell carrying case with interior connection diagrams. Vintage Heathkit Automotive Tune-Up Meter Model ID-29 - TESTED & WORKING Description: Up for sale is a vintage Heathkit Model ID-29 Automotive Tune-Up Meter in great cosmetic and fully functional condition. This analog diagnostic tool is perfect for classic car owners, DIY mechanics, and vintage tool collectors. Features & Details: • Condition: Pre-owned, tested, and fully working. Clean faceplate, intact selector knobs, and solid original wiring leads. • Functions: Measures Dwell Angle, Low RPM (for idle adjustments), High RPM, and DC Volts. • Compatibility: Built-in cylinder selector for 3, 4, 6, or 8-cylinder engines. Works on both 6V and 12V configurations, supporting negative and positive ground setups. • Bonus: Includes the factory instructional connection schematic card neatly attached inside the upper lid.