Expand Your Electrical Diagnostics with CTA’s New Test Lead Kits
8477 & 8479 Now Available — Built for Precision. Designed for Versatility.
As modern vehicle systems become increasingly complex, having the right electrical testing tools is more essential than ever. Today’s diagnostics require not just accuracy, but adaptability — and that’s exactly what CTA Tools delivers with the release of two new test lead kits designed for professional technicians and serious DIYers.
Whether you're back probing sealed connectors or measuring live sensor signals, Kits 8477 and 8479 are purpose-built for precise, in-depth circuit diagnostics. Each kit is designed to integrate seamlessly with your current testing setup, especially when paired with CTA’s 7662 Master Line Kit.
CTA 8477 – Needle Test Probe Set
Back probe and pierce cables with confidence—even in hard-to-reach or sealed connectors. This set is a must-have for technicians working on tightly packed or sealed systems, where traditional probes can’t reach without risk of damage.
Features:
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Includes high-temp silicone test leads with straight and right-angle plugs (4mm standard)
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Slim, spring-steel back probes prevent damage to connector seals
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Cable piercers included for intrusive testing when back probing isn’t possible
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Heat-resistant materials allow use near manifolds and soldering points
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Compatible with the CTA 7662 Master Line Kit for streamlined storage
Maintain live sensor connections while accessing direct measurement points. This kit is ideal for sensor-heavy diagnostics where maintaining a live circuit is key.
Features:
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Y-style leads enable simultaneous testing without interrupting sensor signals
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Comes with two sets of common plug sizes (Male & Female)
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Includes MINI, ATC, and MAXI fuse tap connectors
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Prevents wire and connector damage during diagnostics
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Fully integrates with the CTA 7662 Kit for enhanced portability
Perfect Pairing: CTA 7662 – 92 Pc. Master Line Kit
Your go-to base kit for comprehensive electrical diagnostics.
Features:
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Allows safe testing of voltage, continuity, resistance, and current
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CE certified for up to 1000V & 30A
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Includes 92 components: variable resistors, acicular probes, flexible leads, and more
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Durable PP plastic case offers best-in-class heat insulation
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Modular design makes it the perfect base for expanding with Kits 8477 and 8479
Whether you're adding precision probes or leveling up your sensor testing game, CTA's 8477 and 8479 Test Lead Kits were made to expand and enhance your diagnostic workflow. Built with the technician in mind, these tools work smarter, not harder, alongside your existing CTA equipment. Pair them with the 7662 Master Line Kit for a complete, modular system designed to meet the demands of modern diagnostics.