Manuals Brands Harbor Freight Tools Diagnostic Harbor Freight Tools Diagnostic Manuals ProdManuals has more than 26 Harbor Freight Tools Diagnostic manual(s) covering 26 model(s). 6 7 A C D F H L M N O Q R X Models Document Type 6 6/12V Circuit Tester with 5 ft. Lead 6/12V Circuit Tester with 12 Ft. Lead 7 7 Function Digital Multimeter A AUTEL MaxiDAS Automotive Diagnostic and Analysis System C Compression Test Kit 8 Pc Cylinder Leak_Down Tester Computer Safe Automotive Logic Probe Circuit Tester Set 3 Pc D Digital Inspection Camera Diesel Compression Tester Set Digital Photo Sensor Tachometer Diesel Engine Compression Tester 20 Pc F Fuel Injection Pump Tester Fuel Pump and Vacuum Tester H High Resolution Digital Inspection Camera with Recorder L LCD Automotive Multimeter with Tachometer Kit M Master Fuel Injection Pressure Test Kit N Non_Contact Infrared Thermometer With Laser Targeting O OBD II & CAN Professional Scan Tool OBD II & CAN Scan Tool with ABS OBD II & CAN Deluxe Scan Tool OBD II & CAN Code Reader with Multilingual Menu Q Quick_Connect Compression Tester R Radiator Pressure Tester Kit X xenon Advance Timing Light xenon Induction Timing Light