This ingenious tool performs all standard electrical tests for on-car and bench troubleshooting. Locate faulty wiring, test electrical components, engine sensors, ignition and fuel systems.Tests engine RPM and dwell; measures AC/DC voltage, DC current and resistance; tests diodes and continuity; tests starting & charging, ignition and fuel delivery systems; 24 ranges for accurate measurementsExtra-large digital LCD; hold button retains display data; on-screen test leads connection reminder; automatic reverse polarity indication; automatic zero adjustment for volts and amps for accurate measurementsOverload protection on all ranges; fold-out stand for better viewing; includes protective boot, detachable color-coded test leads and alligator clipsComprehensive user manual with illustrated step-by-step automotive test procedures and examples. Features: Performs all standard electrical tests for on-car and bench troubleshooting, including tach, dwell, volts, ohms, amps and diode Tests starting & charging, ignition and fuel delivery systems Locates faulty wiring and components Digital 2.7" LCD, approximate size On-screen test leads connection reminder Automatic reverse polarity indication Automatic zero adjust Overload protection on all ranges Auto reverse polarity Auto zero adjust Overload protection Low battery indicator 10M Input 9-Volt power (9V battery not included) Audible tone Auto power off Includes diode check, tach function and continuity function Built-in stand Specifications: DC Volts: 200mV - 1000mV AC Volts: 2V - 750V DC Amps: 200mA - 10A Ohms: 200 - 20M Dwell: 4, 6, 8 cylinder Dimensions: 7 x 3.4 X 1.4-inches (H x W x D, approximate) Package Includes: Actron CP7677 Automotive Troubleshooter Digital Multimeter & Engine Analyzer Detachable color-coded test leads Alligator clips Instructions

This ingenious tool performs all standard electrical tests for on-car and bench troubleshooting. Locate faulty wiring, test electrical components, engine sensors, ignition and fuel systems.Tests engine RPM and dwell; measures AC/DC voltage, DC current and resistance; tests diodes and continuity; tests starting & charging, ignition and fuel delivery systems; 24 ranges for accurate measurementsExtra-large digital LCD; hold button retains display data; on-screen test leads connection reminder; automatic reverse polarity indication; automatic zero adjustment for volts and amps for accurate mea