---
product_id: 53842047
title: "7 Pin Trailer Wiring Tester Towing Horsebox Caravan Truck Vehicle Light Electrics Circuit Diagnostic Tool 12V"
brand: "okoium"
price: "€ 25.31"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/53842047-7-pin-trailer-wiring-tester-towing-horsebox-caravan-truck-vehicle
store_origin: IE
region: Ireland
---

# 12V power Compact size 7-pin connectivity 7 Pin Trailer Wiring Tester Towing Horsebox Caravan Truck Vehicle Light Electrics Circuit Diagnostic Tool 12V

**Brand:** okoium
**Price:** € 25.31
**Availability:** ✅ In Stock

## Summary

> 🔧 Get Connected, Stay Safe!

## Quick Answers

- **What is this?** 7 Pin Trailer Wiring Tester Towing Horsebox Caravan Truck Vehicle Light Electrics Circuit Diagnostic Tool 12V by okoium
- **How much does it cost?** € 25.31 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/53842047-7-pin-trailer-wiring-tester-towing-horsebox-caravan-truck-vehicle)

## Best For

- okoium enthusiasts

## Why This Product

- Trusted okoium brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **📦 Compact & Convenient:** Dimensions of 20.4 x 5.8 x 4.4 cm for easy storage.
- • **🔋 Reliable Power Source:** Operates on standard 12V systems for convenience.
- • **🔍 Diagnose with Precision:** Quickly identify wiring issues in trailers and vehicles.
- • **🚚 Versatile Compatibility:** Perfect for horseboxes, caravans, and trucks.
- • **🛠️ User-Friendly Design:** Lightweight and portable for easy handling.

## Overview

The SmartSpec 7 Pin Trailer Wiring Tester is an essential diagnostic tool designed for automotive professionals and enthusiasts alike. Weighing only 160g and measuring 20.4 x 5.8 x 4.4 cm, this compact device allows for quick and efficient testing of 7-pin trailer wiring systems, ensuring reliable connectivity for towing vehicles like horseboxes, caravans, and trucks. With its 12V power compatibility, it’s the go-to solution for diagnosing electrical issues on the go.

## Description

Sponsored Ad – 7 Pin Trailer Wiring Tester Towing Horsebox Caravan Truck Vehicle Light Electrics Circuit Diagnostic Tool 12V

## Features

- SmartSpec 7 Pin Trailer Wiring Tester Towing Horsebox Caravan Truck Vehicle Light Electrics Circuit Diagnostic Tool 12V
- Automotive Categories Tools Equipment Engine Tools Equipment OBD-II Engine System Diagnostic Tools
- Product Type: ELECTRIC_CIRCUIT_TESTING_DEVICE
- Brand: SmartSpec

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | SmartSpec |
| Brand | okoium |
| Package Dimensions | 20.4 x 5.8 x 4.4 cm; 160 g |
| Item model number | T22773 |
| Manufacturer part number | T22773 |
| Item Weight | 160 g |

## Product Details

- **Brand:** okoium
- **Power source:** Battery Powered
- **Style:** Compact
- **Min. Operating voltage:** 12 Volts
- **Specification met:** CE,ROHS,PAHS

## Images

![7 Pin Trailer Wiring Tester Towing Horsebox Caravan Truck Vehicle Light Electrics Circuit Diagnostic Tool 12V - Image 1](https://m.media-amazon.com/images/I/71ANKlSHQcL.jpg)

## Frequently Bought Together

- SmartSpec 7 Pin Trailer Wiring Tester Towing Horsebox Caravan Truck Vehicle Light Electrics Circuit Diagnostic Tool 12V
- Maypole 7 Pin 6 m Straight Extension Lead (Plug To Socket), for Trailer Lighting
- N-Type 7-Pin Trailer Board 12V Plug Towbar Socket Wiring Connector Adapter, Waterproof, for Trailer Caravan Truck RV Towbar Towing, Plug Connector, Auto Lamp Connector, Road Lights Connector

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**Shop now:** [https://www.desertcart.ie/products/53842047-7-pin-trailer-wiring-tester-towing-horsebox-caravan-truck-vehicle](https://www.desertcart.ie/products/53842047-7-pin-trailer-wiring-tester-towing-horsebox-caravan-truck-vehicle)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-01-27*