allsun
Automotive Electrical Circuit Tester Probe 2-24V DC Pen Vehicle Power
Diagnostic Tool Auto Wire Test Light Device System Analyzer About this item
OPERATION INSTRUCTION ![]() ![]() 1.Testing the Unit and the Connections 2. Using IlluminationPress the front part(“-’’)of the rock switch, To turn on or off the illuminator,keep the test indicator should light RED. the clip of the auxiliary ground lead in Press the rear part (“=’’),the test contact with the TOUCH metal for indicator should light GREEN. about 0.5 second and then remove the The unit is now ready for use. clip from the TOUCH metal. If the test indicator did not light,the cause may be that the clip connections are not good or the unit is damaged. ![]() ![]() 3.Measuring DC Voltage 4.Polarity Testa.Set the selection switch to “VOLTAGE” Note:Set the selection switch toposition. “TEST”position.b.Connect the probe to the more Contacting the probe’s tip to apositive terminal of the circuit to be positive(+) circuit will light the testmeasured,and the clip of the auxiliary indicator RED.Contacting the probe’s tipground lead to the more negative to a negative(-)circuit will light the testterminal of the circuit. indicator GREEN.Contacting the probe’s tip to an open circuit does not turn on c.The voltage indicators will illuminate the test indicator.to indicate the voltage of the circuit.
5.Continuity Test 6.Activating Components out of theNote:1.Set the selection switch to Vehicle’s Electrical System “TEST”position. Note:Set the selection switch to”TEST”position. 2. Don’t press the rock switch, By using the probe tip together with the By using the probe tip together with the auxiliary ground lead,components can be auxiliary ground lead, continuity can be activated,thereby testing their function. tested on wires and components which Connect the auxiliary ground lead’s clip to the are disconnected from the vehicle’s negative terminal of the component to be electrical system. tested.Contact the probe to the positive terminal of the component, the test indicator should light GREEN indicating continuity through the component.
7. Testing Trailer Lamps and Connections 8.Activating Electrical Components1)Set the selection switch to “TEST”position. Note:Set the selection switch to”TEST”position.2)Connect the unit to a good battery. a.Activating components with the3)Clip the clip of the auxiliary ground lead to positive(+)voltage,Contact the probe tip to thethe trailer ground. positive terminal of the component,the test4)Probe the contacts at the jack while indicator should light GREEN.While keeping an pressing the rock switch’s front
par((“-’’). eye on the green indicator,quickly press and This lets you check the operation and release the rock switch’s front part(“-’’).If the orientation of the
trailer lamps. green indicator changed instantly from GREEN to RED,you may proceed with further activation.If the green indicator went off at that instant,the uit has been overloaded. b.Activating electrical components with negative(-)voltage Contact the probe tip to the negative terminal of the component,the test indicator should light RED. ![]() ![]()
9.Jumper Lead Feature 10.Checking for Bad Ground ContactsNote:Set the selection switch to”TEST” Note:Set the selection switch to”TEST”position. position. Probe the suspected ground wire or contact The black battery clip and the auxiliary with the probe tip.Observe the green test ground lead are connected directly indicator. through the unit.By leaving the red battery Press the rock switch’s front part(“-”)then clip disconnected from the vehicle’s battery, release. the unit can be used as a long jumper lead. If the test indicator changed from GREEN to Be careful to avoid short circuit and RED,this is not a true ground. overloading when using this jumper function. If the test indicator turned off when you In this configuration, the leads are not pressed the rock switch’s front part(“-”) protected by the unit’s built-in circuit breaker. Automotive Test Device includes: *1pc x allsun Circuit Test Device *1pc x English User's Manual *1pc x Flexi Extension Cable *1pc x Crocodile Clip(one is Red, the other is Black) *1pc x Wire Test *1pc x Back-Test |