When your test light screen faces you, you are checking for power with the tool pointed toward your body. This is a common setup, and knowing how to read it correctly keeps your electrical work safe and accurate. The screen orientation itself does not change the test; you still touch the probe to the circuit … Read more
If you have ever tried to test a circuit and the red lead on your test light just would not reach the battery, you know the frustration. This simple tool is essential for diagnosing electrical problems, and a short lead can stop you cold. Most test lights come with leads that are only about 12 … Read more
OTC 3642 vs Lisle 28800 vs ANCEL PB100: Best Heavy Duty Circuit Tester? I’ve spent time testing the OTC 3642, Lisle 28800, and ANCEL PB100 on heavy duty trucks and equipment. Each one handles 12V-24V systems, but they go about it very differently — the OTC gives you a 24-foot coiled cord, the Lisle adds … Read more
Lisle 28800 Digital Test Light Review Ever spent hours chasing a phantom electrical drain in your car? I sure have, and that’s why I grabbed the Lisle 28800 Digital Test Light with Load Tester. Its 48-inch cord with a heavy-duty alligator clamp gives you serious reach under the hood. This tester is for anyone who … Read more
If you have a test light with a module puller, you might be frustrated when it bends instead of pulling the part free. This matters because a bent tool is useless and can damage the connector or wiring you are trying to fix. The bend happens because the module puller is designed for grip, not … Read more
FEAOXYO vs Ranjaner vs Anyongora: Best 3-48V Test Light for RV Boat? If you’re working on your RV or boat electrical system, you need a reliable 3-48V test light that won’t lie to you. I’ve been testing the FEAOXYO Heavy Duty Automotive Test Light, the Ranjaner Automotive Test Light, and the Anyongora Automotive Test Light … Read more
CrysGuard vs NOWHYX Test Light for LED Display: Best Automotive Circuit Tester for DIYers? If you’re shopping for a test light with an LED display to troubleshoot your car, truck, or boat, you’re likely deciding between the CrysGuard Test Light 3-48V and the NOWHYX Automotive Circuit Tester. Both cover a wide 3-48V DC range, but … Read more
Tiny Pets vs Ranjaner vs Kakalote Digital LED Test Light: Best Beginner Circuit Tester? So you’re a beginner looking for a digital LED test light and you’ve got three solid options: the Tiny Pets, the Ranjaner, and the Kakalote. They all promise voltage display and bidirectional testing, but they’re not the same tool. I’ve tested … Read more
ATOBLIN vs KAIWEETS vs OBDResource: Best Circuit Tester for DIY Beginners? I’ve been testing three popular circuit testers for DIY beginners: the ATOBLIN Test Light (3-120V DC), the KAIWEETS Smart Automotive Test Light (0.8-100V DC), and the OBDResource Car Voltage Circuit Probe Tester (0.8-100V DC). Each promises to help you diagnose car electrical issues without … Read more
LHDOS 5-90V Digital Voltage Tester Review I’ve been burned before by cheap test lights that gave me false readings or just flat-out died on me. So when I picked up the LHDOS Automotive Test Light, I was skeptical of its 5-90V DC range and the bright LED digital display that promised no more squinting in … Read more