---
product_id: 15075440
title: "OTC 3642 Truck Electrical Circuit Tester - 12V-24V with 24 Foot Cord,Red"
brand: "otc"
price: "413 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/15075440-otc-3642-truck-electrical-circuit-tester-12v-24v-with-24
store_origin: PL
region: Poland
---

# 24-foot extendable coiled cord 12V-24V dual voltage range 7-inch stainless steel probe OTC 3642 Truck Electrical Circuit Tester - 12V-24V with 24 Foot Cord,Red

**Brand:** otc
**Price:** 413 zł
**Availability:** ✅ In Stock

## Summary

> 🔧 Power up your diagnostics with reach and precision—don’t get left in the dark!

## Quick Answers

- **What is this?** OTC 3642 Truck Electrical Circuit Tester - 12V-24V with 24 Foot Cord,Red by otc
- **How much does it cost?** 413 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/15075440-otc-3642-truck-electrical-circuit-tester-12v-24v-with-24)

## Best For

- otc enthusiasts

## Why This Product

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

## Key Features

- • **Built for Pros:** Award-winning OTC quality boosts productivity and shop profits with every test.
- • **Heavy-Duty Clamp:** Extra-large clamp grips bigger nuts and bolts, making grounding effortless.
- • **Ultra-Long Reach:** Stretch the compact red coiled cord up to 24 feet—no more awkward positioning.
- • **Precision Probing:** 7-inch stainless steel probe for accurate circuit testing and fault location.
- • **Versatile Voltage Compatibility:** Seamlessly tests 12V to 24V systems for all your truck diagnostics.

## Overview

The OTC 3642 Truck Electrical Circuit Tester is a professional-grade tool designed for 12V-24V truck systems. Featuring a 7-inch stainless steel probe and a 24-foot extendable red coiled cord, it enables precise testing of electrical circuits, shorts, grounds, and open circuits. Its extra-large clamp fits larger grounding points, making it ideal for heavy-duty vehicle maintenance. Trusted by technicians for its durability and efficiency, this tester accelerates troubleshooting and enhances workshop productivity.

## Description

OTC 3642 Truck Electrical Circuit Tester - 12V-24V with 24 Foot Cord,Red

## Features

- OTCs Truck Circuit Tester is designed for testing electrical circuits and locating shorts, grounds, and open circuits
- For use on 12V - 24V systems
- Features a 7 inch long stainless steel probe
- Red coiled cord stays compact until you need more length then has the capability of stretching to a full 24 feet
- Extra large clamp can be attached to larger nuts, bolts, and other grounds than a typical smaller clamp

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | OTC |
| Power Source | Battery Powered |
| Style | Modern |
| Color | Red |
| Item Weight | 1 Grams |
| Item dimensions L x W x H | 13.9 x 2.1 x 0.1 inches |
| Min. Operating Voltage | 12 Volts |
| Measurement Type | Voltmeter |
| UPC | 731413505805 071090090493 012302669731 031112405643 971474694401 666661072208 012303704974 523161182243 |
| Manufacturer | OTC |
| Global Trade Identification Number | 00731413505805 |
| Model | 3642 |
| Item Weight | 0.035 ounces |
| Product Dimensions | 13.9 x 2.1 x 0.1 inches |
| Item model number | 3642 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 3642 |
| OEM Part Number | 3642 |

## Product Details

- **Brand:** OTC
- **Power Source:** Battery Powered
- **Style:** Modern
- **Color:** Red
- **Item Weight:** 1 Grams

## Images

![OTC 3642 Truck Electrical Circuit Tester - 12V-24V with 24 Foot Cord,Red - Image 1](https://m.media-amazon.com/images/I/51ChZMSwn-L.jpg)
![OTC 3642 Truck Electrical Circuit Tester - 12V-24V with 24 Foot Cord,Red - Image 2](https://m.media-amazon.com/images/I/71qRZBgWfaL.jpg)

## Frequently Bought Together

- OTC 3642 Truck Electrical Circuit Tester - 12V-24V with 24 Foot Cord,Red
- OTC 3634 Heavy-Duty Straight Cord Circuit Tester, Red
- OTC 3633-10 Replacement Bulb, (Pack of 10)

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**Shop now:** [https://www.desertcart.pl/products/15075440-otc-3642-truck-electrical-circuit-tester-12v-24v-with-24](https://www.desertcart.pl/products/15075440-otc-3642-truck-electrical-circuit-tester-12v-24v-with-24)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-22*