---
product_id: 31277376
title: "(7865L) 7-Way Round Pin Tractor Trailer Circuit Chaser™ for Testing Turn Signals, Hazard Lights, Brake Lights and More"
brand: "innovative products of america"
price: "$143"
currency: NZD
in_stock: true
reviews_count: 13
category: "Innovative Products Of America"
url: https://www.desertcart.nz/products/31277376-7865l-7-way-round-pin-tractor-trailer-circuit-chaser-testing
store_origin: NZ
region: New Zealand
---

# LED indicators for instant diagnostics 7-way round pin circuit testing Extra jumper connector included (7865L) 7-Way Round Pin Tractor Trailer Circuit Chaser™ for Testing Turn Signals, Hazard Lights, Brake Lights and More

**Brand:** innovative products of america
**Price:** $143
**Availability:** ✅ In Stock

## Summary

> 🚛 Light up your diagnostics game with the Circuit Chaser™ — never miss a signal!

## Quick Answers

- **What is this?** (7865L) 7-Way Round Pin Tractor Trailer Circuit Chaser™ for Testing Turn Signals, Hazard Lights, Brake Lights and More by innovative products of america
- **How much does it cost?** $143 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/31277376-7865l-7-way-round-pin-tractor-trailer-circuit-chaser-testing)

## Best For

- innovative products of america enthusiasts

## Why This Product

- Trusted innovative products of america brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Trusted by technicians for years—durability that keeps up with your grind.
- • **Ergonomic Winged Grip:** Effortless removal ensures quick, hassle-free handling every time.
- • **Instant Visual Feedback:** LED indicators eliminate guesswork, speeding up your diagnostics.
- • **One-Man Roadside Savior:** Simplify on-the-go troubleshooting with a tool designed for solo pros.
- • **Versatile Testing Power:** Extra jumper connector expands your troubleshooting capabilities.

## Overview

The Innovative Products of America 7865L Circuit Chaser™ is a compact, corded electric 7-way round pin tester designed for professional-grade troubleshooting of tractor-trailer lighting circuits. Featuring LED indicators for clear circuit status, an extra jumper connector for versatile testing, and an ergonomic winged grip for easy removal, this tool is a must-have for truck drivers and technicians seeking fast, reliable diagnostics on the road.

## Description

desertcart.com: Innovative Products of America (7865L) 7-Way Round Pin Tractor Trailer Circuit Chaser™ for Testing Turn Signals, Hazard Lights, Brake Lights and More

Review: A must for truck drivers - If you're a truck driver, you need to have one of these. It makes diagnosing lighting issues a snap.
Review: Great tool for a tractor technician - A must have in your toolbox or on your truck. I’ve been using this tool daily for over 4 years and it still works great. Has held up over the years without issue.

## Features

- ON-THE-ROAD TROUBLESHOOTING: Our "One-Man Testing" tool is designed to simplify troubleshooting while on the road; ensuring a convenient solution for identifying and resolving electrical issues.
- EXTRA JUMPER CONNECTOR: Packaged with an additional jumper connector; this tool offers added versatility; allowing for comprehensive testing and providing an extra layer of support for various troubleshooting scenarios.
- LED INDICATORS: Featuring LEDs that indicate the functionality of each circuit; this tool eliminates guesswork during testing; providing clear and reliable visual cues to ensure accurate results in a quick and straightforward manner.
- EASY REMOVAL: The winged grip design of this testing tool ensures easy removal from the electrical connector; offering a user-friendly experience and efficient handling during the testing process.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000HI48KI |
| Assembly required | No |
| Batteries required | No |
| Best Sellers Rank | #26,450 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #55 in Circuit Testers |
| Brand | Innovative Products of America |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,995) |
| Global Trade Identification Number | 00893509000141 |
| Included Components | Packaged with an extra brass jumper |
| Is Discontinued By Manufacturer | No |
| Item Weight | 8.8 ounces |
| Item dimensions L x W x H | 4.75 x 3 x 2 inches |
| Item model number | 7865L |
| Manufacturer | Innovative Products of America |
| Measurement Type | Circuit Tester |
| Power Source | Corded Electric |
| Product Dimensions | 4.75 x 3 x 2 inches |
| Specification Met | Ipa |
| Style | Circuit Tester |
| UPC | 893509000141 |
| Warranty Description | 1-Year Limited |

## Product Details

- **Brand:** Innovative Products of America
- **Color:** Black
- **Item Weight:** 0.55 Pounds
- **Power Source:** Corded Electric
- **Style:** Circuit Tester

## Images

![(7865L) 7-Way Round Pin Tractor Trailer Circuit Chaser™ for Testing Turn Signals, Hazard Lights, Brake Lights and More - Image 1](https://m.media-amazon.com/images/I/31EzQS5Q1XL.jpg)
![(7865L) 7-Way Round Pin Tractor Trailer Circuit Chaser™ for Testing Turn Signals, Hazard Lights, Brake Lights and More - Image 2](https://m.media-amazon.com/images/I/31NGyi8uI3L.jpg)
![(7865L) 7-Way Round Pin Tractor Trailer Circuit Chaser™ for Testing Turn Signals, Hazard Lights, Brake Lights and More - Image 3](https://m.media-amazon.com/images/I/31znvH5Y-PL.jpg)
![(7865L) 7-Way Round Pin Tractor Trailer Circuit Chaser™ for Testing Turn Signals, Hazard Lights, Brake Lights and More - Image 4](https://m.media-amazon.com/images/I/41L35uMhSnL.jpg)
![(7865L) 7-Way Round Pin Tractor Trailer Circuit Chaser™ for Testing Turn Signals, Hazard Lights, Brake Lights and More - Image 5](https://m.media-amazon.com/images/I/41Szpe3jsFL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Will this tool work on RV seven pin hook ups?**
A: If it's the 7 round pin connection not the 7 flat pins, it should. This is intended for class 8 trucks, some rv's are just as big and use the same lighting circuits. But this tool is just a test light for 12v multiple circuits,  I would just use a 12v test light for a rv if your not sure

**Q: Does this fit the larger 7 pin connectors (approximately 1-1/2") or is it for the smaller diameter (approx. 1" diameter) connectors?**
A: This is for heavy duty trucks. Most medium and light duty trucks use a 7 pin blade configuration. Also, the approximately 1 inch diameter trailer plugs are 6 pin, not 7. 6 pin plugs do not have an auxiliary power line to the trailer.

**Q: You sent me an empty package, I did not receive anythin. what's going on?**
A: Call Amazon customer service and support.

**Q: Is the stop led supposed to turn green also?**
A: On the tester, yes.

## Customer Reviews

### ⭐⭐⭐⭐⭐ A must for truck drivers
*by D***N on January 6, 2025*

If you're a truck driver, you need to have one of these. It makes diagnosing lighting issues a snap.

### ⭐⭐⭐⭐⭐ Great tool for a tractor technician
*by T***Y on February 25, 2025*

A must have in your toolbox or on your truck. I’ve been using this tool daily for over 4 years and it still works great. Has held up over the years without issue.

### ⭐⭐⭐⭐⭐ Great
*by K***N on November 15, 2020*

Great tool, couldn't go back to not having one. Helps so much to determine if it's a trailer or truck problem. Or if you want to test to see if the cable is bad, plug it into the truck and make sure the power is being sent to the socket, plug the cable back in, and then plug the tester into the other end of the cable. Now it's not good for testing low voltage that can still light up one light on a tester, but for just testing to see if power is making to the trailer it works great. Very convenient. Yes, you could just use a test light, but it's so much easier to plug it in as well as still being able. Plus it gives you a more layman's way to show customers that for example the problem is the truck and not the trailer.

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**Shop now:** [https://www.desertcart.nz/products/31277376-7865l-7-way-round-pin-tractor-trailer-circuit-chaser-testing](https://www.desertcart.nz/products/31277376-7865l-7-way-round-pin-tractor-trailer-circuit-chaser-testing)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-17*