Shopping Cart

Your cart is empty.

Your cart is empty.

OTC 3634 Heavy-Duty Straight Cord Circuit Tester

Free shipping on orders over $29.99

$25.73

$ 12 .95 $12.95

In Stock

About this item

  • Designed for testing electrical circuits and locating shorts grounds and open circuits
  • Features include 5 foot heavy-duty cord and checks both 6 and 12 volt systems
  • Ergonomic slim designed clear handle with a bright red slim style replaceable bulb
  • Positive contact-molded strain relief


OTC Heavy-Duty Straight Cord Circuit Tester is designed for testing electrical circuits and locating shorts, grounds, and open circuits. The features include a 12 foot heavy-duty coiled cord. It checks 6 and 12 volt systems. It has an ergonomic, slim-designed, clear handle. It has a bright red, slim style replaceable bulb. It has a heavy-duty stainless steel probe with insulated shaft and heavy-duty clip with positive soldered connection.


A. Cooper
August 4, 2025
Feels sturdy in hand. Cable is higher quality. Definitely would buy again.
Stéphane Huard
July 17, 2025
Great tool for cheap price ! The wire is still smooth a low temperature A-1 !!!
Sean
July 15, 2025
Great quality probe! Works well and should last lifetime
sylvain
July 9, 2025
Je suis très satisfait de mon test light de très bonnes qualités et très solide
Michael M
June 26, 2025
Test light works as it should but should come with a couple spare bulbs.
Guy G.
June 11, 2025
Fini les lampes cheaps, çà c'est un vrai beau testeur professionnel et la lumière rouge éclaire pas mal fort en plus. ⚜️ 👍
roger
April 22, 2025
Vérifier courant
GOPA
April 16, 2025
Bulb burnt next day. Not impressed. I will preffer regularl bulb than these slim ones.
David M Vandenbush
March 20, 2025
Nice quality, even has a nice reusable plastic box for storage when not in use. Basic tool, but not cheap wire or clamp. Worth the extra $$$
danny
March 9, 2025
I like the extra long cord and it works good it is heavy duty and a lot more reasonable than the tool truck brands
William Bowlin
February 18, 2025
A solid product that does as intended. Better quality than the cheap one I bought at Autozone.
ACE
October 22, 2024
Used the test light for diagnosis.
Mike L.
October 20, 2024
This test light is great. The craftsmanship is terrific. I like it better than Snap On version, at a fraction of the price. Great quality!
Recommended Products

$205.16

$ 71 .28 $71.28

4.5
Select Option

$29.87

$ 15 .11 $15.11

4.9
Select Option

$43.77

$ 17 .99 $17.99

5.0
Select Option