D.C. Powered Timing Light Model 161.2158 for 12 Volt Ignition Systems Sears Owners Manual

"D.C. Powered Timing Light Model 161.2158 for 12 Volt Ignition Systems" by Sears is a guide created to help vehicle owners and mechanics accurately time the ignition systems of their 12-volt vehicles. The manual details how to hook up the timing light, warm up the engine, and check the timing marks to line them up correctly. It also points out how important it is to double-check things like the engine's idle speed and dwell angle, and to look at the vehicle's service manual for more specific directions. Crucially, the manual stresses safety measures for using the tools and working around an engine, ensuring users can maintain their vehicles' ignition systems both effectively and safely.