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🔍 Diagnose smarter, not harder — the logic probe that keeps you ahead of the curve!
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.








| 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 |
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