Diagnosing the problem is half the battle when servicing your car. The handy Powerbuilt Fuel System Diagnostic Kit is designed to diagnose fuel pump issues and other fuel system related performance problems. This kit is versatile enough to also help sort out electrical issues as well. The included multimeter tester can perform standard electrical tests or troubleshooting on-car and the workbench. The kit includes a multimeter tester, alligator clip connectors with test bolt adapter, test leads, pressure gauge set, rubber hose, hose clamps, various automotive adapters covering most vehicles, banjo bolt adapters, and dual manifold test adapter. Everything you need to test multiple systems and pinpoint the problem area and determine which components need repair or replacement with this one diagnostic kit. Full detailed instructions and usage photos are included in the durable organizing case.