1135 Led Circuit Tester

● Quickly and safely tests high and low voltages on all vehicle. Includes computerized engine.
● Checks high and low voltages (power and ground) on 6, 12 and 24V system.
● High impedance to protect sensitive electronic sensors, microprocessors, electronic ignition components and air bags.
● LED indicates red for power (high) and green for ground (low).
● Connects the red lead to a power sources and the black lead to a ground source.