Diagnostic Tools

Diagnostic Tools for Faster, More Accurate Troubleshooting

Diagnostic tools show what is actually wrong before you replace a part or rewire a circuit. Multimeters, clamp meters, and test lights measure voltage and current on vehicles, machinery, and building wiring, while thermal imagers and infrared thermometers spot overheating parts without contact. Inspection cameras see inside engines, walls, and other tight spaces. When a wiring fault is hard to trace, circuit testers help locate shorts, open circuits, and bad grounds quickly.

On vehicles, scanners read and clear engine, ABS, SRS, and transmission codes and show live data, with advanced models offering bidirectional control. A tire pressure warning light is easier to handle with electronic tire tools that program and relearn TPMS sensors. Orders over $99 ship free with fast delivery. Find the problem faster with diagnostic tools from JB Tools!