The Strategic Tools & Equipment Co. MegaTestMaxi 100, No. ASLK100S, is the company's upgrade to the ASLK12 ECU/Sensor Test Lead Kit. This kit includes a detailed set of instructions on how to use each kit component, a large selection of sizes and styles of connectors found in the engine compartment on the vast majority of vehicles sold in both North America and Europe, an application guide that indicates which leads are used for each manufacturer, five Y-style breakout leads, adapters to test all automotive fuse styles and more. This kit enables the fast and easy connection of test equipment to nearly any vehicle connector, sensor, actuator or device for taking "live" measurements of nearly any vehicle component, according to the company.