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A black trailer light assembly with seven brass pins and a round LED tester visible.
Black 7-way round pin trailer light and signal tester with multiple yellow pins.
A black tool with a winged handle design showing seven round pins for testing electrical connections.
A close-up view of a professional design 7-way cable used for testing and troubleshooting electrical fault conditions.
Diagram showing the dimensions of a circuit tester and a 7-way round pin tractor trailer light and signal tester.
A close-up view of a ProfessionalDesign 7-way round pin trailer light and signal tester with various labeled pins.
A black mounting position for a 7-way round pin trailer light and signal tester with brass pins.
A diagram showing the dimensions of a 7-Way Round Pin Tractor Trailer light and signal tester.
Three views of a tool featuring LED indicators, a winged handle for easy removal, and seven holes for corresponding circuits.
A black light fixture with seven round pins is shown next to various trailer lights and signals.
A black trailer light assembly with seven round pins and a gold-colored key for testing.
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7-Way Round Pin Trailer Light & Signal Tester

Regular price €81,99 Sale price €69,99

Miksi asiakkaat rakastavat sitä

Diagnose trailer lights with professional precision

Ensure the safety and functionality of your trailer lighting systems with this professional circuit tester.

  • Designed specifically for tractor-trailer connections and pins.
  • Uses a reliable round pin connector design for accurate testing.
  • Features a clear LED indicator to instantly show circuit status.
  • Provides quick and easy diagnostics for trailer light cords.
  • A dependable tool for inspections and field maintenance.
A black trailer light assembly with seven brass pins and a round LED tester visible.

Why Choose the 7-Way Tester?

High Accuracy Testing

Accurately checks functionality across multiple light circuits.

Fast Diagnostics

Provides quick results, saving valuable time during inspections.

Reliable Construction

Built to handle the demanding environment of field work.

Clear Feedback

The LED indicator makes circuit status immediately visible.

Product Specifications

Key Features and Details

Technical details for professional use.

Testing Capability
7-Way Circuit Testing
Connector Type
Round Pin Connector
Indicator Type
LED Indicator
Intended Use
Trailer Light & Signal Diagnostics

Vs. Generic Testers

The Advantage of Our Tester

Why this tool outperforms standard diagnostic kits.

Feature
SmartPicksDIY
Tyypillinen vaihtoehto
Diagnostic Coverage
Covers 7 critical trailer circuits.
Often limited to single-circuit testing.
Connection Reliability
Uses a robust round pin design.
May use fragile or unreliable probes.
Visibility
Instant LED feedback.
Relies on complex or slow visual checks.
Application Focus
Specialized for trailer/tractor connections.
General purpose, less specialized.

Meidän huoletonta ostamissovintoamme

Jos tilauksesi saapuu vaurioituneena, puutteellisena tai ei vastaavana kuvaustaan, ota yhteyttä 14 päivän kuluessa, niin korjaamme tilanteen korvaamalla tuotteen tai palauttamalla maksun.

Frequently Asked Questions

Answers to common troubleshooting inquiries.

Is this tester suitable for all trailer types?

This tool is designed to diagnose standard tractor-trailer light systems. Always verify compatibility with your specific trailer wiring before testing.

How accurate is the diagnostic reading?

The tester provides clear, immediate feedback via an LED indicator to show whether the circuit is functioning within expected parameters.

Can I use this tester in wet or dirty conditions?

While designed for field use, keep the connector clean and dry to ensure accurate readings and longevity of the tool.

What is the difference between a turn signal and a hazard light test?

The tester is capable of diagnosing both turn signal and hazard light circuits, depending on the specific connection point you are testing.

Toimitus ja palautukset

Shipping

  • Delivers to Saksa (based on your selected country/region).
  • Estimated delivery: 3–15 business days after dispatch.
  • Toimituskulut: Ilmaiset.

Returns

You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.