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Orange plastic 7-way RV blade trailer wiring tester with ergonomic grip hooks

CURT 7-Way RV Blade Trailer Wiring Tester 58272

SKU CH-5812-KY9CC MPN 7-Way

Tests 7-way RV blade trailer sockets by lighting LEDs for each circuit when plugged into the vehicle

  • Compatible vehiclesTrailer
  • Key featuresPlastic, Black, 7-Way RV Tester
  • Overall height4.9 L x 14 W x 19.7 H centimeters
  • Overall width4.9 L x 14 W x 19.7 H centimeters
  • Overall length4.9 L x 14 W x 19.7 H centimeters
  • Product weight0.096 kg
  • Verifies trailer wiring functions with clear LED signals
  • Plugs into 7-way socket for instant diagnostics
  • Ergonomic hooks provide secure grip during connection
  • Durable black plastic housing resists rust and corrosion
  • Compact 14 cm wide tester weighs just 0.096 kg

Purpose and function

The CURT 58272 is a 7-way RV blade trailer wiring tester designed to verify the electrical signals between a tow vehicle and a trailer. It connects directly to the vehicle socket to check taillights, brake lights, reverse lights, turn signals, electric trailer brakes and auxiliary power circuits. LEDs illuminate for each function to confirm a good signal.

Who benefits and who does not

Owners who need a quick way to diagnose wiring faults before towing will find the simple plug-and-read operation useful. The ergonomic hooks assist grip during connection and removal. Users requiring a tester for 4-pin or 5-pin connectors, or those needing voltage measurements rather than signal presence, should look at a different tool.

Key specification

The tester uses LED diodes for each circuit indicator, providing a bright, easy-to-read signal without incandescent bulbs that can burn out. The housing is moulded from durable black plastic that resists rust and corrosion. Dimensions are 4.9 by 14 by 19.7 centimetres and the weight is .096 kilograms.

How it compares

Measured against everything we stock in Tow Straps, Hitches & Adapters, at today’s prices. Recalculated every night.

Price $36.99
Pricier than about 75% of the 30 comparable items (median $28.99).

Specifications

Product
Brand nameCURT
Model name7-Way RV Tester
Size & build
Overall height4.9 L x 14 W x 19.7 H centimeters
Overall width4.9 L x 14 W x 19.7 H centimeters
Overall length4.9 L x 14 W x 19.7 H centimeters
Product weight0.096 kg
Compatibility
Compatible vehiclesTrailer

Questions about this item

What does the 7-way RV blade configuration test?

It checks taillights, brake lights, reverse lights, turn signals, electric trailer brakes and auxiliary power circuits on the vehicle socket.

How do the LEDs show a good signal when I plug the tester in?

Each function has a dedicated LED that lights up when the corresponding circuit is active, so a helper can verify them from the rear while you operate the controls.

What does the 7-way blade interface cap in practice?

It is limited to the six lighting and brake circuits plus auxiliary power defined by the RV blade standard; no data or higher-current functions are carried.

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