---
product_id: 49279825
title: "SmartSpec 7 Pin Trailer Plug 7 Pole Round Pin Trailer Wiring Connector Towbar Towing End"
brand: "caseier"
price: "€ 18.76"
currency: EUR
in_stock: false
reviews_count: 9
url: https://www.desertcart.be/products/49279825-smartspec-7-pin-trailer-plug-7-pole-round-pin-trailer
store_origin: BE
region: Belgium
---

# Minimal voltage drop 7 durable brass pins DIY-friendly screw connections SmartSpec 7 Pin Trailer Plug 7 Pole Round Pin Trailer Wiring Connector Towbar Towing End

**Brand:** caseier
**Price:** € 18.76
**Availability:** ❌ Out of Stock

## Summary

> 🔗 Tow with confidence — connect like a pro, every time!

## Quick Answers

- **What is this?** SmartSpec 7 Pin Trailer Plug 7 Pole Round Pin Trailer Wiring Connector Towbar Towing End by caseier
- **How much does it cost?** € 18.76 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/49279825-smartspec-7-pin-trailer-plug-7-pole-round-pin-trailer)

## Best For

- caseier enthusiasts

## Why This Product

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

## Key Features

- • **Universal Compatibility:** Perfect for new towbars or upgrading worn-out plugs on existing vehicles.
- • **Heavy-Duty Metal Housing:** Built to withstand tough towing conditions without flex or breakage.
- • **Complete Lighting Control:** Seamlessly powers indicators, brake lights, side lights, and fog lamps.
- • **Effortless DIY Installation:** Screw terminals and clear labels make replacement foolproof and fast.
- • **Rock-Solid 7-Pin Brass Connectors:** Ensures reliable power for all trailer lights with zero compromise.

## Overview

The SmartSpec 7 Pin Trailer Plug is a robust, metal 7-pole round pin connector designed for secure and efficient trailer wiring. Featuring brass pins for minimal voltage drop and a durable housing, it supports all essential trailer lights including indicators, brake, side, and fog lamps. Its screw terminal design and clear labeling enable quick, foolproof DIY installation, making it the go-to upgrade for new or existing towbars.

## Description

7-Pole, Round Pin, Trailer Wiring Connector Europe Style - Trailer End Establish a secure connection between your trailer and semi or other tow vehicle with this heavy-duty, 7-pole plug. Plug has round brass pins to ensure minimum voltage drop and pull grips for easy insertion and removal. Cross slotted Copper needles, Cooperate with the female pin. The cross slotted of size is easier to control. (The size of the a slotted is not stable) Safe and dependable performance, reasonable design. Deft appearance, convenient usage. 1.This listing is for a Metal 7 Pin Trailer Plug (N type) to power trailer or caravan lights. 2.-Ideal for new towbars or for replacing damaged plugs on exsisting cars. 3.-Screw connection outside the socket, easy for DIY replacement. 4.-Brass pins in a durable metal housing. 5.-Provides connections for indicators, side lights, brake lights and fog lamp. 6.-Also available with a plastic case, please see our shop for this version. Color: Silver Input: 12V Features: Connect the major vehicle and the additional trailer; Transfer the electronic signature from the vehicle to trailer.

Review: Study, well built and easy to fit - I’d bought a well reviewed similarly priced trailer plug which was brittle and flexed hopelessly. This is the total opposite in that it’s well built and easy to fit but doesn’t weight significantly more. Terminal screws are excellent quality, it can only go together one way and is labelled so installation is almost fool proof. Very positive connection to the car. No issues - really recommend.
Review: Very good - Very good. Much better than the plastic ones

## Features

- 1.This listing is for a Metal 7 Pin Trailer Plug (N type) to power trailer or caravan lights.
- 2.-Ideal for new towbars or for replacing damaged plugs on exsisting cars.
- 3.-Screw connection outside the socket, easy for DIY replacement.
- 4.-Brass pins in a durable metal housing.
- 5.-Provides connections for indicators, side lights, brake lights and fog lamp.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0711TW9JS |
| Best Sellers Rank | 48,489 in Automotive ( See Top 100 in Automotive ) 1,703 in Car Towing & Transporting Products |
| Brand | CASEIER |
| Customer Reviews | 4.6 4.6 out of 5 stars (546) |
| Date First Available | 19 Nov. 2017 |
| Item Weight | 100 g |
| Item model number | 1 |
| Manufacturer | SmartSpec |
| Manufacturer part number | 1 |
| Package Dimensions | 10.6 x 5.8 x 4.4 cm; 100 g |

## Product Details

- **Brand:** CASEIER
- **Finish type:** Metal
- **Item weight:** 0.1 Kilograms
- **Material:** Metal
- **Vehicle service type:** Car

## Images

![SmartSpec 7 Pin Trailer Plug 7 Pole Round Pin Trailer Wiring Connector Towbar Towing End - Image 1](https://m.media-amazon.com/images/I/61+Zuv6X0jL.jpg)
![SmartSpec 7 Pin Trailer Plug 7 Pole Round Pin Trailer Wiring Connector Towbar Towing End - Image 2](https://m.media-amazon.com/images/I/61ESJA6Kc0L.jpg)
![SmartSpec 7 Pin Trailer Plug 7 Pole Round Pin Trailer Wiring Connector Towbar Towing End - Image 3](https://m.media-amazon.com/images/I/61GE100AAvL.jpg)
![SmartSpec 7 Pin Trailer Plug 7 Pole Round Pin Trailer Wiring Connector Towbar Towing End - Image 4](https://m.media-amazon.com/images/I/61GasDvyRQL.jpg)
![SmartSpec 7 Pin Trailer Plug 7 Pole Round Pin Trailer Wiring Connector Towbar Towing End - Image 5](https://m.media-amazon.com/images/I/61JLO4K3qGL.jpg)

## Questions & Answers

**Q: Is this plug fitted with spade connectors?**
A: No, they are screw connectors - just use bare wires so it's even easier.

**Q: Hi. What type of connection is inside as the spade type are hopeless**
A: Normal screw type connections - pretty decent quality

**Q: Where is this manufactured?**
A: I don't know where this was made. i would hazard a guess, China.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Study, well built and easy to fit
*by S***E on 18 January 2023*

I’d bought a well reviewed similarly priced trailer plug which was brittle and flexed hopelessly. This is the total opposite in that it’s well built and easy to fit but doesn’t weight significantly more. Terminal screws are excellent quality, it can only go together one way and is labelled so installation is almost fool proof. Very positive connection to the car. No issues - really recommend.

### ⭐⭐⭐⭐⭐ Very good
*by T***Y on 2 October 2025*

Very good. Much better than the plastic ones

### ⭐⭐⭐⭐ OK but...
*by D***E on 28 May 2023*

The screws to lock the wires in place were not tightened, so two had fallen out and were loose inside the assembly. Worse, one of the screws had a badly-machined head which meant a normal cross-head screwdriver wouldn't fit the head. I was able to get it out with a flat-head screwdriver, and threw it away to replace it with the one for the foglight wire, which I didn't need. Assembly is sturdy and generally good quality, just a lack of QA on the screws used.

## Frequently Bought Together

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-04-23*