---
product_id: 57651309
title: "Sierra EC09040 Circuit Tester"
brand: "brand: sierra international"
price: "£39.44"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/57651309-sierra-ec09040-circuit-tester
store_origin: GB
region: United Kingdom
---

# Sierra EC09040 Circuit Tester

**Brand:** brand: sierra international
**Price:** £39.44
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Sierra EC09040 Circuit Tester by brand: sierra international
- **How much does it cost?** £39.44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/57651309-sierra-ec09040-circuit-tester)

## Best For

- brand: sierra international enthusiasts

## Why This Product

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

## Description

Dual bulb tester for testing both 6 and 12 volt circuits. Also can be used to check spark plug wires. Most commonly used tester for troubleshooting auto, truck, van and boat wiring.

## Features

- Dual bulb tester for testing both 6 and 12 volt circuits
- Also can be used to check spark plug wires
- This is the most commonly used tester for troubleshooting auto, truck, van and boat wiring
- Supplied with ground wire and clip
- ›See more product details

## Images

![Sierra EC09040 Circuit Tester - Image 1](https://images-na.ssl-images-amazon.com/images/I/3181Rbli6uL.jpg)

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**Shop now:** [https://www.desertcart.co.uk/products/57651309-sierra-ec09040-circuit-tester](https://www.desertcart.co.uk/products/57651309-sierra-ec09040-circuit-tester)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-22*