--- product_id: 23487044 title: "CTA Tools 3031 Computer Safe Auto Logic Probe" brand: "cta tools" price: "Β£25.63" currency: GBP in_stock: true reviews_count: 13 category: "Cta Tools" url: https://www.desertcart.co.uk/products/23487044-cta-tools-3031-computer-safe-auto-logic-probe store_origin: GB region: United Kingdom --- # High-impedance tester <7mA draw Services 6, 12 & 24V systems Dual-color LED power/ground indicator CTA Tools 3031 Computer Safe Auto Logic Probe **Brand:** cta tools **Price:** Β£25.63 **Availability:** βœ… In Stock ## Summary > πŸ” Diagnose smarter, not harder β€” the logic probe that keeps you ahead of the curve! ## Quick Answers - **What is this?** CTA Tools 3031 Computer Safe Auto Logic Probe by cta tools - **How much does it cost?** Β£25.63 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/23487044-cta-tools-3031-computer-safe-auto-logic-probe) ## Best For - cta tools enthusiasts ## Why This Product - Trusted cta tools brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Circuit-Safe Precision:** Protects sensitive computer circuitry with ultra-low current draw under 7mA, ensuring no damage during diagnostics. - β€’ **Instant Visual Feedback:** Dual-color LED instantly signals power (red) or ground (green), eliminating guesswork and speeding up troubleshooting. - β€’ **Durable & Ergonomic Design:** High-impact plastic body with spring-strain relief and 6-foot insulated probe wire built to withstand daily professional use. - β€’ **Trusted Quality & Reliability:** Backed by CTA Tools’ reputation and a 4.6-star rating from over 150 users, this probe is a must-have for serious automotive pros. - β€’ **Versatile Voltage Compatibility:** Effortlessly tests 6, 12, and 24-volt automotive systems, making it your all-in-one logic probe for any vehicle. ## Overview The CTA Tools 3031 Computer Safe Auto Logic Probe is a high-impedance automotive tester designed to protect sensitive computer circuits by drawing less than 7 milliamps. Featuring a dual-color LED for clear power and ground indication, it supports 6, 12, and 24-volt systems. Built with a durable high-impact plastic body, insulated 6-foot probe, and heavy-duty 18-gauge leads, it offers reliable, professional-grade diagnostics trusted by technicians worldwide. ## Description Product Description CTA Tools 3031 Computer-Safe Auto Logic Probe - a high-impedance tester, it protects computer circuitry, drawing less than 7 milliamps. Dual-color LED indicates red for power (high) and green for ground (low). Services 6, 12 and 24-volt systems. Features insulated probe 6'/1. 8m-long heavy-duty wire, 18-gauge dual leads with battery clips, a high-impact plastic body and spring-strain relief. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. From the Manufacturer CTA Tools 3031 Computer-Safe Auto Logic Probe - a high-impedance tester, it protects computer circuitry, drawing less than 7 milliamps. Dual-color LED indicates red for power (high) and green for ground (low). Services 6, 12 and 24-volt systems. Features insulated probe 6'/1.8m-long heavy-duty wire, 18-gauge dual leads with battery clips, a high-impact plastic body and spring-strain relief. ## Features - Product Type:Auto Accessory - Item Package Weight:0.22 Kilograms - Item Package Dimension:4.3 cm L X13.5 cm W X30.6 cm H - Country Of Origin: Taiwan, Province Of China ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B005B4NCUK | | Best Sellers Rank | #305,808 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #424 in Circuit Testers | | Brand | CTA Tools | | Brand Name | CTA Tools | | Color | Multi | | Customer Reviews | 4.7 out of 5 stars 155 Reviews | | Global Trade Identification Number | 00053001030316 | | Included Components | Computer Safe Auto Logic Probe | | Item Dimensions | 12.25 x 1.63 x 5.5 inches | | Item Type Name | Computer Safe Auto Logic Probe | | Item Weight | 6.72 ounces | | Item dimensions L x W x H | 12.25 x 1.63 x 5.5 inches | | Manufacturer | CTA Tools | | Measurement Type | Voltmeter, Ammeter | | Min. Operating Voltage | 6 Volts | | Minimum Operating Voltage | 6 Volts | | Model | 3031 | | Part Number | 3031 | | Power Source | Battery Powered | | UPC | 053001030316 | | Unit Count | 1.0 Count | | Warranty Description | lifetime warranty | ## Product Details - **Brand:** CTA Tools - **Color:** Multi - **Item Weight:** 6.72 ounces - **Item dimensions L x W x H:** 12.25 x 1.63 x 5.5 inches - **Power Source:** Battery Powered ## Images ![CTA Tools 3031 Computer Safe Auto Logic Probe - Image 1](https://m.media-amazon.com/images/I/71dGXRPzHPL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by H***N on March 13, 2026* ### ⭐⭐⭐⭐⭐ Review *by οΏ½***οΏ½ on July 15, 2023* ### ⭐⭐⭐⭐⭐ Review *by C***S on January 4, 2026* ## Frequently Bought Together - CTA Tools 3031 Computer Safe Auto Logic Probe - OriGlam Spark Plug Tester, Adjustable Ignition System Coil Tester, Coil-on Plug Ignition Spark Circuit Tester, Autos Diagnostic Test Tool --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/23487044-cta-tools-3031-computer-safe-auto-logic-probe](https://www.desertcart.co.uk/products/23487044-cta-tools-3031-computer-safe-auto-logic-probe) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-19*