JASTIND 2‑Piece Automotive Circuit Tester 6–24V — Long Cord, Steel Probe, Spare Bulb

JASTIND 2PCS Automotive Circuit Tester is a heavy‑duty 6–24V test light kit with a long cord, sharp steel probe, and a spare indicator bulb and spring for reliable vehicle electrical troubleshooting.

Whether you’re a professional mechanic or a DIY car owner, this two‑piece circuit tester set from JASTIND gives you a durable, easy‑to‑use tool for checking batteries, fuses, switches and wiring on 6–24 volt systems. Built from impact‑resistant ABS and equipped with a long PU spring cord, a large alligator clip and a hardened steel probe, the tester is engineered for repeatable contact in tight engine bays and workshop settings. A replacement bulb and conductive spring are included to extend service life and reduce downtime.

How does this tester help locate electrical faults quickly?

The tester lights up when it detects voltage, making it straightforward to confirm power at a connector, fuse or circuit. Its bright indicator and robust probe let you pierce insulation for hard‑to‑reach or hidden conductors without cutting wires.

• Detects presence of voltage across 6–24 volts for most cars, trucks and motorbikes
• Sharp hardened steel probe penetrates insulation for direct contact
• Large alligator clip offers secure ground or reference connection
• Replacement bulb and spring included to keep the kit operational longer

How durable and portable is the JASTIND tester for workshop use?

Constructed with thick ABS plastic and a shatter‑proof body, the tester is built for repeated handling in busy garages. The flexible 135‑inch PU spring cord provides extended reach so you can test battery terminals or distant connectors without moving the vehicle.

• Heavy‑duty ABS housing resists impacts and drops
• Extra‑long PU spring cord gives broad reach in engine bays
• Large clip and ergonomic body allow one‑handed operation
• Includes spare conductive spring and bulb for maintenance

What kinds of jobs is this tester suitable for?

This tool is well suited for routine electrical checks, from verifying battery charge and fuse continuity to tracing broken wiring and switched circuits. It works across a wide range of 6–24V systems found in passenger vehicles, light trucks, motorcycles, RVs and small equipment.

• Battery and charging system spot checks
• Fuse and connector voltage verification
• Locating open circuits or intermittent power feeds
• Testing accessories, relays and switches on 6–24V systems

Who is this for: Owners who prefer to diagnose basic electrical issues themselves, mobile mechanics needing a light, portable tester, and workshop technicians who want a rugged, dependable test light with a spare bulb for uninterrupted use. The JASTIND 2PCS set balances durability, reach and maintenance‑ready design so you can get repeatable results whether you’re troubleshooting at home or on the job.