12V 7-Pin European Trailer Plug Socket Tester | Car & Caravan Wiring Circuit Light Test Tool

Professional 7-Pin Trailer Wiring Tester

Quickly diagnose electrical faults in your trailer, caravan, or towbar wiring with this professional-grade 12V circuit tester. Designed for European N-type 7-pin connectors, this tool provides instant LED feedback to confirm proper connections and identify wiring issues before you hit the road.

Key Features

• Universal Compatibility: Works with all European 7-pin trailer plugs and sockets (N-type connectors)
• Instant Diagnostics: LED indicators light up to confirm each circuit is correctly wired
• Dual Testing Modes: Test both vehicle sockets and trailer plugs with one tool
• Durable Construction: High-quality copper contacts (Hpb58-2, Hpb59-1) with robust ABS housing
• Easy Operation: Simple one-button testing press and read results immediately
• Certified Quality: CE, RoHS, and PAHs certified for safety and compliance

How to Use

Testing Your Trailer or Caravan:

1. Connect the 7-pin plug end of the tester to your trailer\’s socket
2. Press the yellow test button on the side
3. All LEDs should illuminate if wiring is correct
4. Any unlit LEDs indicate a wiring fault or broken connection

Testing Your Vehicle Socket:

1. Connect the tester to your car\’s 7-pin towbar socket
2. Press the yellow test button
3. Activate each vehicle function (left indicator, right indicator, fog lights, etc.)
4. Corresponding LED should light up if not, there\’s a wiring issue

Technical Specifications

• Voltage: 12V DC
• Connector Type: European 7-pin (N-type)
• Material: Copper contacts + ABS plastic housing
• Colour: Black
• Dimensions: 20 5 4 cm
• Weight: 190g
• Certifications: CE, RoHS, PAHs

Essential for caravan owners, trailer users, and automotive professionals who need reliable wiring diagnostics.