Test-Lights

Non-Powered Test Light:

CAUTION: Always make sure the test light being used is designed to test the circuit to be tested. Using the incorrect type of test light can damage the circuit and/or the test light.

CIRCUIT POWERED TEST LIGHT
Used to check for power or ground.

Uses vehicle battery or circuit voltage, to light the test lamp.

NOTE: Verify lamp operation--before using--by connecting the clip to one battery terminal and touching the probe to the other battery terminal--test lamp should light.

SELF-POWERED TEST LIGHT
Used to check circuit continuity, (circuit open or shorted).

Uses a small internal battery to light the test lamp. Lamp lights when continuity exists between the test probe and the clip.

NOTE: Verify operation--before using--by connecting the clip to the test probe--test lamp should light.

NOTE: DO NOT connect a self powered test light across an energized 12 volt circuit. This will burn out the bulb.