EVT Automotive
7 Round Pin Tractor Trailer Circuit Tester
7 Round Pin Tractor Trailer Circuit Tester
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Description
Description
Features and Benefits:
- Troubleshoots tractor trailer circuits
- One person can now test all the lighting
- Allows bypassing of troubled circuitry while on the road
- Eliminates guesswork
- Packaged with an extra jumper connector
The 7 round pin trailer tester identifies faulty circuit on trucks and trailers by attaching to the wire terminals Plugs in line to the trailer to allow the truck to power the trailer while you test each circuit. Also has an emergency bypass feature which allows the user to remove the pin on the faulty circuit and jump power from the 12 volt supply for a temporary fix.
Specifications
Specifications
- Dimensions
- Weight
- Voltage
- Compatibility
- Capacity

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Frequently Asked Questions
Is this product compatible with my equipment?
We recommend checking the product description, specifications, and compatibility information listed on the product page. If you're unsure, contact our team for assistance.
Do you offer technical support?
Yes. Our team can provide product guidance and technical assistance to help you choose the right equipment or replacement part.
How long does shipping take?
Shipping times vary based on product availability and destination. Most orders are processed promptly, and tracking information is provided once shipped.
Does this product include a warranty?
Many products include manufacturer warranties. Warranty information, when available, can be found in the product description or by contacting our team.
Is installation included with this product?
Unless otherwise stated, products are sold without installation services. Contact us to discuss installation support options.
How can I verify that I am ordering the correct part?
Review the product specifications and compatibility information carefully. If you need help, contact us with your equipment make and model before placing your order.