Complete Circuit Coverage
Tests turn signals, hazard lights, brake lights, clearance lights, tail lights, and ABS circuits in one compact tool.
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Pinpoint Trailer Electrical Faults in Seconds
This 7-way round pin circuit tester lets you quickly diagnose lighting and ABS issues on semi-trucks and tractor trailers by connecting directly to the vehicle's electrical connector.
- Tests turn signals, hazard lights, brake lights, clearance lights, tail lights, and ABS circuits
- LED indicators clearly show the status of each circuit for fast, accurate diagnostics
- No batteries required—powered directly by the vehicle's electrical system
- Durable metal and ABS construction built for frequent use in demanding environments
- Ideal for owner-operators, fleet maintenance, and pre-trip or federal inspections
Why You'll Appreciate This Tester
Instant Visual Feedback
LED indicators clearly show the status of each circuit for fast, accurate diagnostics.
No Batteries Needed
Powered directly by the vehicle's electrical system, so it's always ready when you are.
Built for the Road
Durable metal and ABS construction built for frequent use in demanding environments.
Setup
How to Use
No electrician, no wiring, no fuss.
-
Connect
Connect it to the truck's 7-way round pin electrical connector.
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Test
Use the function switches to check each circuit's condition via clear LED indicators.
Specs
The details that matter
Built to last outdoors, season after season.
- Connector Type
- 7-way round pin
- Compatibility
- Semi-trucks and tractor trailers
- Material
- Metal and ABS
- Power Source
- Vehicle electrical system (no batteries required)
- Package Type
- Full Package
Unser sorgloses Einkaufsversprechen
Wenn Ihre Bestellung beschädigt, defekt oder nicht wie beschrieben ankommt, kontaktieren Sie uns innerhalb von 14 Tagen — wir sorgen mit Ersatz oder Erstattung für Abhilfe.
Frequently asked questions
Everything you might want to know before you order.
Which circuits does this tester check?
It tests turn signals, hazard lights, brake lights, clearance lights, tail lights, and ABS circuits.
What connector type is it compatible with?
It is compatible with 7-way round pin connectors on semi-trucks and tractor trailers.
Does it require batteries?
No batteries are required—it is powered directly by the vehicle's electrical system.
What is it made of?
It features durable metal and ABS construction built for frequent use in demanding environments.
Who is this tester ideal for?
It is ideal for owner-operators, fleet maintenance, and pre-trip or federal inspections.
Versand & Rückgabe
Versand
- Lieferung nach Vereinigte Staaten (basierend auf Ihrem gewählten Land/Region).
- Voraussichtliche Lieferzeit: 3–15 Werktage nach Versand.
- Versandkosten: Kostenlos.
Rückgabe
Sie können innerhalb von 14 Tagen nach Lieferung eine Rückgabe anfragen. Für Standardrückgaben fällt eine pauschale Rückversandgebühr von 4,00 € EUR (ca. 4,66 $ USD) an, die von der Rückerstattung abgezogen wird. Der Rückversand ist kostenlos, wenn der Artikel beschädigt, defekt oder falsch geliefert wurde. Artikel sollten unbenutzt und nach Möglichkeit in Originalverpackung sein. Kontaktieren Sie uns vor dem Rückversand.