WL4030 automotive circuit tester
1.test corcuit with power "NO" 2.test presence of electricity 3.reliable and economical 4.electical tapr 5.18 AWG wire
Instructions:
1.for 6 & 12 Volt tests
2.touch teminal or punture wire insulation with probe
3.if light comes on, Voltage is present at point in circuit
WL4030 automotive circuit tester