OTC 3633 Mini-Coil Cord Circuit Tester , Red

Very well built test light and does exactly what it's supposed to! Love the compact size and bright incandescent bulb. Needle tip has a threaded end and comes with an alligator clip.

Really good product as usual OTC brand high quality is easy to use anywhere in the car fuse box under the hood or under steering wheel, wire terminals even if they are tiny i used one of the teammate working in the shop .i do receive the one purchased from amazon in the weekend i just make test on 9v battery .

I was thinking about getting a snap on one until I seen this, comes with another alligator clip,it being so small makes it feel better in your hand and easy to get into tighter areas. The tip being so pointed and small makes it’s easy to pierce wiring without breaking wire or putting a big whole

Nice tool. Comes in handy and good quality.

What a great test light! This should be in every mechanics tool box, from beginners to professionals. I am a professional mechanic, and I purchased this after years of using an LED test light (shown in picture two). I immediately tested the amp draw of the OTC test light vs a snapon one (nothing wrong with that one by the way) and it proves a incandescent bulb is because it draws .156mA of current. The LED test light only draws 0.048mA The construction of this test light is better than expected, and the coiled wire will not be an issue, it is very flexible and stretches far with ease. The Snapon coiled wire always pulls off when you rug it slightly, but the OTC has a great alligator clip that is easy to compress and has a tremendous bite to it. I am very impressed considering I paid 80 bucks for the Snapon one. What a rip!

Copper earth clamp is a nice touch,nice fat cover for said clamp so no issues there.Earth lead appears to be sealed into the plastic shroud that extends from the tool,so this is a good thing as it means your not pulling on the cord where it enters the tool.Good size unit no too long not too short.The thread at the base of the probe is a nice touch & can fit numerous types of other attachments.Would like to see if poss in future versions,perhaps 3 LED'S (6,12,24) or something to not indicate what the exact voltage maybe but a general idea i.e if there's say 8 volts on a 12 volt system the 6 volt LED lights up ? meh it's just an idea.It will take time for the cord to stay stretched out a bit more so while new it does have quite a return on it so you must be wary of that when using at distances

Works great. Cord is a little stiff and it's hard to open clamp unless you slide the boot back.

Nice

I love this test light, especially in tight confines and in this day and age of led everything an incandescent bulb is very handy.

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This is my second OTC test light. I was so impressed with the quality of my normal size version that I came back to purchase this mini version as well and I am glad I did. Overall the OTC test lights are the nicest I've seen. The quality is much nicer than even my snap-on circuit tester which I purchased after my two OTC test lights. The snap-on costs roughly 5 times the price, and although it has the ability to be used as a normal test light with a ground/power indication, as well as a voltage tester, the overall quality is nowhere near as nice. I have barely used the snap-on and find myself reaching for the OTC nearly every time. It's hard to explain what makes them so nice, but as soon as you take it out of the box I'm sure you'll be impressed. The clamp, chord, plastic body, logo printing, light brightness, probe tip are all excellent. The brilliant part about the mini OTC is it's usefulness on more modern cars with fuse boxes in the glove box or any other tight space. It is considerably smaller than the normal version and is much more maneuverable in tight spaces.

This is a professional quality test light suitable for testing 12v vehicle electrical systems. Well built, solid feel. The main alligator clip connector is surrounded by an insulating sleeve, pull that back, clip on, replace the insulator. Spare bulbs available. Does the job, what more do you need.

A superb test light in all senses! The best on market.