OTC 3642 Truck Circuit Tester 12V-24V Review I’ve spent way too many hours chasing electrical gremlins in my truck’s wiring Use, so I grabbed the OTC 3642 Truck Electrical Circuit Tester – 12V-24V with 24 Foot Cord,Red hoping it would save me some headache. With a 7-inch stainless steel probe and a 24-foot coiled cord, … Read more
ATOBLIN vs KAIWEETS vs AWBLIN: Best Bidirectional Circuit Tester for Car Battery? I’ve spent time testing three popular bidirectional circuit testers: the ATOBLIN Test Light, the KAIWEETS Smart Automotive Test Light, and the AWBLIN Automotive Test Light. Each one promises to make diagnosing car battery and fuse issues easier, but they differ in voltage range … Read more
I have seen many people ask why their test light only allows a 20A measurement for ten seconds. This limit protects the tool from overheating and damage during high current tests. The short time frame prevents the internal shunt resistor from burning out. In my experience, exceeding this limit can permanently ruin your test light’s … Read more
You might be getting an opposite polarity reading on the green light of your test light because it is a polarity-sensitive tool. This matters because a wrong reading can make you think your wiring is faulty. I have seen this confuse many DIYers who are just trying to fix their car or home. The green … Read more
Sodcay 6V-12V-24V DC Car Circuit Tester Review I was chasing a parasitic drain on my truck last week and realized my old test light just wasn’t cutting it. The Sodcay Car Digital Electric Pen, 6V-12V-24V DC Car Circuit Tester Light caught my eye because it has an LCD digital voltage display and a 5.9-foot extended … Read more
JASTIND vs WINAMOO Heavy Duty Test Light: Best Automotive Circuit Tester for Illumination? If you’re shopping for a heavy duty test light that actually helps you see what you’re doing in the dark, you’re probably torn between the JASTIND Heavy Duty 3-72V Digital LED Automotive Test Light and the WINAMOO Upgraded Heavy Duty Circuit Tester. … Read more
There is nothing more frustrating than a brand new test light that dies after just a few jobs. If you are chasing electrical gremlins, a dead tool is the last thing you need. The problem is almost always simpler than you think. In my experience, the most common culprit is a blown internal fuse, not … Read more
Kakalote Digital LED Circuit Tester Review I’ve been there — staring at a dead fuse box with no clue which wire is live. The Kakalote Test Light Automotive, Digital LED Circuit Tester with Voltage Display promises to end that guesswork, and I put it through its paces on my truck and motorcycle to see if … Read more
JASTIND vs WINAMOO vs EVOULTES: Best Heavy Duty Test Light for Home Garage? I’ve spent time with three popular heavy duty test lights — the JASTIND Heavy Duty 3-65V Backlit Digital LCD Circuit Tester, the WINAMOO Automotive Test Light with 5-120V LED Digital Voltage Display, and the EVOULTES Upgraded 3-72V Buzzer Automotive Test Light. Each … Read more
You grab your test light after a few months, and the batteries are dead. It is frustrating when a tool you barely use fails you. This happens more often than you think. The real culprit is often a slow chemical reaction inside the battery, even when the tool is off. Many test lights have a … Read more