JTC-4237 Led Connector Testing Set

1. Outstanding Features

The set includes 1 LED testing light and 2 testing probes red and black, meeting diverse connection testing needs. The probe made from stainless steel for easier testing and long lasting durability. The LED shows yellow light when connecting with positive pole and shows red light for negative pole, allowing quick polarity identification. Compact design, easy to carry and operate in garages. Suitable for testing electrical connections on automobiles and electronic devices.

 

2. Practical Applications

Testing positive and negative pole connections in automotive circuits. Quickly identifying wire polarity through LED light color. Supporting testing of connectors, fuses, relays and electrical switches. Used in circuit fault diagnosis on passenger cars and light trucks. Suitable for garage technicians, auto electricians and training students. Used for quick checks when installing auxiliary electrical equipment.

 

3. How to Use

Step 1: Take out 1 LED testing light and 2 testing probes red and black from the set.

Step 2: Connect the red probe to one end of the LED testing light.

Step 3: Connect the black probe to the other end of the LED testing light.

Step 4: Touch the red probe to the point to be tested for positive pole.

Step 5: Touch the black probe to the point to be tested for negative pole.

Step 6: Observe the light color, yellow means positive pole, red means negative pole.

Step 7: Disconnect and store the tools in the case after completion.

 

4. Device Maintenance

Clean probes and LED testing light with soft damp cloth after each use. Do not immerse device in water or strong solvents. Check stainless steel probes periodically for bending or breakage. Replace LED testing light when it no longer illuminates or color is unclear. Store in dry place, avoid direct sunlight and high temperature. Do not use device outside allowed voltage range. Store in carrying case when not in use.