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The OEMTOOLS 25886 Circuit Tester is a heavy-duty automotive electrical tool designed for testing 6 to 24-volt circuits. Featuring a 12-foot heat and oil resistant coiled cord, a sharp stainless steel wire-piercing probe, and a bright incandescent test light, it delivers reliable, instant circuit diagnostics. Built with durability in mind, it includes strain relief and a heavy-duty ground clamp, making it an essential tool for professional-grade automotive troubleshooting.


































| ASIN | B0014WIVX6 |
| Best Sellers Rank | #571,345 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #672 in Circuit Testers |
| Brand | OEMTOOLS |
| Brand Name | OEMTOOLS |
| Color | As Shown in the Image |
| Compatible Devices | Automotive electrical systems (6-24V) |
| Customer Reviews | 4.5 out of 5 stars 596 Reviews |
| Global Trade Identification Number | 00076812258861 |
| Included Components | 6-24V Circuit Tester |
| Item Dimensions | 12.13 x 4.6 x 1.1 inches |
| Item Type Name | 6-24V Circuit Tester | Checks Fuses & Circuits for Shorts | Simple Design | Glowing Light Confirms Current is Flowing | Tester Comes with Testing Probe & Heavy Duty Ground Clamp |
| Item Weight | 6.4 ounces |
| Item dimensions L x W x H | 12.13 x 4.6 x 1.1 inches |
| Manufacturer | OEM |
| Minimum Operating Voltage | 6 volts |
| Model | 25886 |
| Number of Items | 1 |
| Part Number | 25886 |
| Power Source | Hand Powered |
| Style | Heavy Duty |
| Style Name | Heavy Duty |
| UPC | 076812258861 785533610468 |
| Unit Count | 1 Count |
| Warranty Description | OEMTOOLS Limited 30 Day Warranty |
D**.
Great for basic automotive electrical troubleshooting!
This thing has been very handy so far. The long coiled cable makes it easy to reach the fuse box under the dash of my newly acquired project corvette and I was able to quickly diagnose multiple blown fuses. It lights up very brightly on a 12V system. It also includes a spare “bulb” which is nice if I can find it when this one eventually burns out.
B**S
Not LED! Awesome incandescent tester!
Just so everyone is clear Yes, the bulbs are red and yes the current draw is low when used on a 12V circuit (around 30 milliamperes) but this is not an LED test light. The relatively low current is because this is designed to work on a 24V system as well. Having said that... This is a great tester! Very versatile (6V - 24V). High impedance lamp is safer for automotive computer circuitry. Red light is easier to see in direct sunlight. Cord stretches smoothly yet doesn't dangle near moving parts and springs back easily, even when cold. (Stretching beyond 8' takes a minute to spring back). Just a great overall general-purpose test light. [Clamp is crimped - I recommend soldering it] The package incl. 2 replacement lamps (red).
J**S
OEM 25886 6-24V Circuit Tester
Nice, I received this product on time and of good quality; the light is bright, and there is also a spare bulb included, it works well and there is no problem seeing it in the light of day.
D**T
Still working well.
I’ve used this for a few years so far. Still works well. Use for misc odd jobs. Strong ground clip.
M**N
Better quality tester
There are circuit testers that sell for half the price. This one is better in many ways: 1. It uses LED that will give you much better life 2. The bulb contacts are well made, not like some cheap tester which will give you incorrect readings because of poor contact 3. It will detect voltage as low as 1 AA battery - with the light very dim but noticeable (try it with bad contacts!). 4. Coiled wire will not be on your way and will make storage of this tool much more compact with other tools in the same drawer not tangled in the loose wire.
S**O
good quality for that price
i have seen better quality test lights than this one but not for such low price. cable is really heavy duty. It's good on both 12 an 6 volts. alligator connector is also good, copper coated and heavy duty. it has a LED light that means it will work longer than usual light bulb, its not as bright as light bulb but its ok if you aren't on bright sun light.
M**E
High quality circuit tester
There are many similar testing lights, this one is very heavy duty, high-quality flexible cable, the fine tip on end is the correct size for testing fuses with 2mm opening. I highly recommend this circuit tester. I previously bought a cheaper item similar to this one. The wires broke off after a few uses in tight spaces. This unit is superior and will last many years in my opinion.
K**N
It works as expected
I was hoping that it was non contact, would have been a nice feature but it does the job regardless. the point is fine enough to get into tight spots. I do car audio video and backup cameras install and this helps to navigate smoothly between electrical connections. the low voltage activation for the light is worth the buy
C**I
OEMTOOLS 25886 6-24 V Circuit Tester
Strumento utilissimo che mi ha permesso di individuare senza incertezze dove inserire i fusibili per l'installazione di una Dash Cam
S**U
A great tool
It's good because I use 12 volt and 24 volts in my job
J**L
BUENO
El artículo es muy bueno, es de buena calidad los materiales,. Me gustaría que hubiera el repuesto del foco rojo que trae
J**Z
Bastante bueno
El cable es bastante largo. Solo que la luz indica en el mismo color rojo para cualquier voltaje.
A**M
Shipped quick
Exactly what I expected
Trustpilot
2 weeks ago
3 days ago