---
product_id: 90785184
title: "True Mods 5-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 5-Pin Trailer Light Wire Circuit Tester"
brand: "online led store"
price: "€ 14.21"
currency: EUR
in_stock: true
reviews_count: 10
category: "Online Led Store"
url: https://www.desertcart.pt/products/90785184-true-mods-5-way-flat-trailer-wiring-tester-nickel-plated
store_origin: PT
region: Portugal
---

# Nickel-plated copper terminals for superior conductivity 5-pin flat wiring compatibility Plug-n-play no-tool design True Mods 5-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 5-Pin Trailer Light Wire Circuit Tester

**Brand:** online led store
**Price:** € 14.21
**Availability:** ✅ In Stock

## Summary

> 🔧 Light up your trailer troubleshooting game—never get stranded in the dark again!

## Quick Answers

- **What is this?** True Mods 5-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 5-Pin Trailer Light Wire Circuit Tester by online led store
- **How much does it cost?** € 14.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/90785184-true-mods-5-way-flat-trailer-wiring-tester-nickel-plated)

## Best For

- online led store enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Ready to Go:** Slim two-sided design fits glove box or toolbox—always within reach.
- • **Built to Brave the Elements:** Weatherproof, corrosion-resistant, and impact tough for long-term reliability.
- • **Split & Conquer Wiring Issues:** Isolate faults fast by testing tow vehicle or trailer wiring separately.
- • **Effortless Plug-n-Play Testing:** No tools, no hassle—just connect and verify your trailer lights in seconds.
- • **Instant Trailer Light Diagnostics:** Plug inline and get immediate LED feedback—no guesswork, no delays.

## Overview

The True Mods 5-Way Flat Trailer Wiring Tester features nickel-plated copper terminals and a 5-pin flat design for precise continuity testing. Its plug-and-play functionality requires no tools, enabling quick isolation of wiring faults between tow vehicle and trailer. Built with weather and impact resistance, this compact tester ensures reliable, long-lasting performance for professional-grade trailer light diagnostics.

## Description

True Mods 5-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 5-Pin Trailer Light Wire Circuit Tester: desertcart.com: Tools & Home Improvement

Review: Ease of use. Plug and play - Works well glad to have in tool box
Review: This is a great product! - This little tester works great. Easy to plug in and it does all the work.

## Features

- STRAIGHTFORWARD TRAILER LIGHT TESTING - Simply plug the tester inline between the tow vehicle and trailer, turn on the lights and check the easy to read LEDs.
- ISOLATE PROBLEMS QUICKLY- By effectively splitting the trailer wiring harness in half, problems can be quickly traced to the tow vehicle side or the trailer side wiring.
- NO TOOLS NEEDED - Plug-n-play design means you don't need anything else to effectively test your trailer light harness.
- LONG LASTING CONSTRUCTION - Designed to be weather, corrosion, and impact resistant for years of reliable service.
- CONVENIENT COMPACT DESIGN -The two-sided design means you can leave it plugged in or store it conveniently in your glove box, door pocket, or tool box.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07G8RJT3T |
| Best Sellers Rank | #160,214 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #218 in Circuit Testers |
| Brand | ONLINE LED STORE |
| Color | Black |
| Date First Available | September 2, 2018 |
| Item Weight | 1.58 ounces |
| Item dimensions L x W x H | 6.5 x 3.74 x 0.7 inches |
| Item model number | 8542039914 |
| Manufacturer | ONLINE LED STORE |
| Measurement Type | Ohmmeter |
| Power Source | Corded Electric |
| Product Dimensions | 6.5 x 3.74 x 0.7 inches |
| Style | Flat |
| UPC | 816165026072 |
| Upper Temperature Rating | 16.67 Degrees Celsius |

## Product Details

- **Brand:** ONLINE LED STORE
- **Color:** Black
- **Item dimensions L x W x H:** 6.5 x 3.74 x 0.7 inches
- **Power Source:** Corded Electric
- **Style:** Flat

## Images

![True Mods 5-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 5-Pin Trailer Light Wire Circuit Tester - Image 1](https://m.media-amazon.com/images/I/71yrB5Jc8TL.jpg)
![True Mods 5-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 5-Pin Trailer Light Wire Circuit Tester - Image 2](https://m.media-amazon.com/images/I/81119rRyQiL.jpg)
![True Mods 5-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 5-Pin Trailer Light Wire Circuit Tester - Image 3](https://m.media-amazon.com/images/I/81IpeUUXJcL.jpg)
![True Mods 5-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 5-Pin Trailer Light Wire Circuit Tester - Image 4](https://m.media-amazon.com/images/I/81i5sgkkPML.jpg)
![True Mods 5-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 5-Pin Trailer Light Wire Circuit Tester - Image 5](https://m.media-amazon.com/images/I/81A5cqaBOLL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Ease of use. Plug and play
*by R***W on December 22, 2025*

Works well glad to have in tool box

### ⭐⭐⭐⭐⭐ This is a great product!
*by J***L on July 4, 2025*

This little tester works great. Easy to plug in and it does all the work.

### ⭐⭐⭐⭐⭐ Very small & Handy
*by C***E on June 3, 2025*

Great for testing wires that lead to your trailer or Boat

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**Shop now:** [https://www.desertcart.pt/products/90785184-true-mods-5-way-flat-trailer-wiring-tester-nickel-plated](https://www.desertcart.pt/products/90785184-true-mods-5-way-flat-trailer-wiring-tester-nickel-plated)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-22*