Laser Auto Circuit Tester - 3 to 48V
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LASER 6886 Auto Circuit Tester Short Circuit Diagnosis Unit For 3-48V SystemsFree delivery in 1–3 days£21.92Visit shop →
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eBayAuto Circuit Tester Short Circuit Diagnosis Unit For 3-48V Systems Laser 6886
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Product Information
Full details
The Laser Auto Circuit Tester is designed for automotive technicians and DIY enthusiasts who need to quickly and safely diagnose voltage issues in 3V to 48V automotive electrical systems. Its primary benefit is providing clear, immediate feedback on electrical connections, saving time and reducing guesswork. A minor caveat is its focus on voltage testing, not current or resistance. This tool features simple operation, clear LED indicators for positive/negative identification, a safe working voltage range, and includes essential accessories for immediate use.
All features
| Model Part Number | 6886 |
|---|---|
| Brand | Laser |
Extended Product Information
FAQs
What is the voltage range of this circuit tester?
The tester is designed for use with automotive electrical systems ranging from 3 Volts to 48 Volts.
How do I know if a connection is positive or negative?
The tester features two LEDs. One will illuminate for a positive connection, and the other for a negative connection, providing clear visual indication.
Can I use this on hybrid or electric vehicles?
Yes, it is suitable for 48V automotive subsystems and 48V MHEV (Mild Hybrid Electric Vehicle) systems. Always exercise caution when working with high-voltage systems.
Do I need any tools to use the cable piercer?
No, the cable piercer is designed to be used directly by hand to safely penetrate wire insulation for testing.
What should I do if the tester is not working?
First, ensure a solid ground connection and that the voltage being tested is within the 3-48V range. Inspect the cable for damage. If issues persist, consider if the circuit itself has a fault.
Does this tester measure current or resistance?
No, this is a voltage tester only. It confirms the presence and polarity of voltage within the specified range.
Troubleshooting
No LED illumination when testing a suspected live circuit.
Ensure the alligator clip is securely connected to a good ground point. Verify the circuit being tested should have voltage within the 3V-48V range. Check the cable for any breaks or damage.
LEDs flicker or give inconsistent readings.
This may indicate a poor connection at the ground point or a weak/intermittent voltage source. Re-secure the alligator clip and try testing at a different point in the circuit. Ensure the probe tip is making good contact.
Tester seems to be indicating the wrong polarity.
Double-check the connections. Ensure the alligator clip is on the ground and the probe is on the suspected positive or negative terminal. Refer to vehicle wiring diagrams for confirmation if unsure.
Pros and Cons
Pros
- Facilitates rapid diagnosis of automotive electrical problems.
- User-friendly design requires minimal training.
- Safe operation within a broad voltage range (3V-48V).
- Clear visual feedback from LED indicators.
- Includes necessary accessories for immediate testing.
Cons
- Primarily tests voltage, not other electrical parameters like current or resistance.
- Cable length may be limiting for very large vehicles or complex setups.
- Requires a separate ground connection for accurate readings.
- Durability may be a concern for heavy daily professional use without careful handling.
Setup, Compatibility & Care
Setup: No complex setup is required. Connect the alligator clip to a known good ground point on the vehicle's chassis or engine block. Then, touch the probe tip to the wire or terminal you wish to test.
Compatibility: This tester is compatible with automotive electrical systems operating between 3V and 48V, including standard 12V and 24V systems, as well as 48V MHEV systems.
Care:
- Store the tester in a dry, protected environment when not in use.
- Avoid exposing the tester to excessive heat or direct sunlight for prolonged periods.
- Clean the probe tip and alligator clip with a dry cloth. If necessary, use a slightly damp cloth, ensuring no moisture enters the electronic components.
- Do not use solvents or abrasive cleaners.
- Inspect the cable for any signs of damage before each use.