TesiLoci Circuit Tester
- Regular price
- $49.00
- Sale price
- $49.00
- Regular price
-
$98.00
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Find shorts and breaks instantly,
without stripping a single wire
TesiLoci uses advanced signal frequency detection and intelligent LED indicators to pinpoint faults through wire jackets and behind panels. No cutting, no guesswork, just professional-grade precision.
The Hard Way
- Cutting insulation to find breaks
- Risk of damaging sensitive ECUs
- Hours spent stripping harnesses
- Inability to reach tight conduit runs
The Smart Way
- Non-destructive through-jacket tracing
- Safe 6V-42V surge protection
- Directional LEDs point to the short
- 15-inch flexible probe reaches anywhere
Everything you needto master vehicle electronics
Intelligent Non-Destructive Tracing
The Sender generates a safe tone signal that travels along the cable while the Receiver detects the frequency through the wire jacket. This allows you to locate faults, breaks, and short circuits without damaging the harness.
- Trace wires through bundles and panels
- Identify wires without piercing insulation
- Safe for all automotive electronic systems
Intelligent Directional Indicator
Stop scanning aimlessly. Built-in directional LEDs on the Receiver point precisely toward the short circuit location, guiding you directly to the fault with surgical accuracy.
- Eliminates diagnostic guesswork
- Bright LEDs for dark engine bays
- Real-time fault location tracking
15-Inch Flexible Coiled Steel Probe
Engineered for tight spaces, the long, bendable steel probe reaches into crowded engine bays, behind trim panels, and through tight conduit runs where standard probes cannot go.
- Heavy-duty coiled steel construction
- Reaches under seats and behind dash
- Maintains shape for precise placement
Find faults in seconds,not hours
Connect the Sender
Attach the sender to the circuit in question. It injects a safe tone signal that travels the length of the wire.
Trace with Receiver
Follow the wire path with the flexible probe. The intelligent LEDs will point toward the direction of the short.
Pinpoint the Fault
When the tone pitch changes or the LEDs signal the end of the line, you've found your break or short circuit instantly.
Fault Located
Short Detected - No Cutting Needed
Built for themodern technician
Ergonomic, durable, and precise. TesiLoci is designed to survive the workshop while delivering the precision of a laboratory instrument.
TesiLoci Circuit Tester
Non-Destructive Automotive Diagnostic Tool
- Regular price
- $49.00
- Sale price
- $49.00
- Regular price
-
$98.00
- Non-Destructive Wire Tracing
- 6V to 42V DC Operating Range
- Directional LED Indicators
- 15-Inch Flexible Steel Probe
Why pros chooseTesiLoci
| Capabilities |
TesiLoci
|
Test Lights | Multimeters |
|---|---|---|---|
| Tracing Method | Non-Destructive | Wire Piercing | Contact Only |
| Voltage Range | 6V - 42V DC | Various | |
| Directional LEDs | None | ||
| Flexible Reach | Rigid Leads | ||
| ECU Safe | Dangerous | ||
| Short Detection | |||
| Tone Customization | |||
| Price | $49 | $15-30 | $100-300 |
You Save
$49 Today
Trusted by shopsnationwide
Based on 1,854+ reviews
@m*****_shop
@d*****_tech
@a*****_auto
@e*****_diy
@r*****_rv
@k*****_marine
"This tool saved me from tearing apart a whole dashboard. Found a pinched wire behind the glovebox in 10 minutes. Absolute game changer for electrical work."
Marcus J.
Verified Professional
"As a fleet mechanic, I deal with 24V and 42V systems often. TesiLoci handles them all safely. The directional LEDs are incredibly helpful in dark engine bays."
David K.
Verified Professional
"The flexible probe is great for reaching around connectors. Used it on my boat and my truck. Non-destructive tracing is the only way to go for modern cars."
Steven R.
Verified Professional
4.9
Average Rating
1,854+
Satisfied Techs
98%
Recommend
42V
Safe Range
90-DAY
90-Day Professional Guarantee
We're confident TesiLoci will become your most-used tool. If it doesn't cut your diagnostic time in half, return it within 90 days for a full refund. No questions asked — we stand behind our gear.
Frequently askedquestions
Stop guessing, start pinpointing
Join thousands of technicians who've upgraded to non-destructive diagnostics. Your time is valuable — spend it fixing, not searching.
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