Powerbuilt 647959 Fuel System Diagnostic Kit #10 Brake Fluid Tester Tool solutions for most all situations Built to exceed tool standards Can US it to test multiple systems to identify the source of the problem Attach the multimeter to the electrical system to track down electrical issues. Works on all vehicles equipped with fuel rails with Schrader valve test port Fits many other makes with banjo bolt or rubber hose connection in fuel system Meter measures voltage, current and resistance and tests all fuel system electronics Sturdy storage case includes usage instructions