ReviewsTrailer Wiring Circuit Tester

Autel® Powerscan PS100 Power Circuit Probe Tester, Automotive 12V 24V Electrical Car System Diagnostic Circuit Tester, AC DC Resistance Voltage, Short Finder, Continuity/Probe/Signal Test, 40ft Cord

  • ...ary tester for every technician diagnostics.
  • 【Efficient Multiple Functions System】Autel PS100 Circuit Testercan help you troubleshoot electrical system issues, including power injection, voltage and polarity testing, signal circuit testing, measurement, ground testing, trailer light testing, polarity checks, continuity testing, short circuit location and components activation. Technicians can check for fuse failures, component failures, aging or degradation, circuit failures without changing plugs.
  • 【Easy to Diagnostic Work】AVOmeter allows you easy to read voltage, current and resistance. Flipping of the power switch, you can have an instant hot/ground lead for powering up electrical components like cooling fans, relays, etc. It support you to identifies positive, negative and open circuits instantly, to test for bad ground contacts instantly, allowing you to follow and locate shorts fast without wasting fuses.
  • 【Built-in Flashlight and Long Extension Cable】Autel PowerScan PS100 Automotive Circuit Tester has Built-in Flashlight design. Enables mechanics and technicians to operate night work effortlessly. Coupled w....
Check Stock

UL1439D Sharp Edge Tester Included 21PCS Test Cap

  • This circuit breaker finder can quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to which an....
  • GFCI tester consists of two parts: a Transmitter connected to the electrical outlet or fixture, and a Receiver used to scan the panel to locate the....
  • Receiver delivers clear visual and audible indications when the correct breaker has been located.
  • Transmitter incorporates a GFCI outlet tester to inspect the wiring condition at the electrical outlet and test GFCI devices.
Check Stock

Klein Tools ET310 AC Circuit Breaker Finder with Integrated GFCI Outlet Tester

  • This circuit breaker finder can quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to which an electrical outlet or fixture is connected.
  • GFCI tester consists of two parts: a Transmitter connected to the electrical outlet or fixture, and a Receiver used to scan the panel to locate the correct breaker.
  • Receiver delivers clear visual and audible indications when the correct breaker has been located.
  • Transmitter incorporates a GFCI outlet tester to inspect the wiring condition at the electrical outlet and test GFCI devices.
  • Transmitter docks in the Receiver for convenient storage as a single item when tester is not is use.
  • Transmitter incorporates a three-pin plug for connecting to North-American-style grounded electrical outlets.
Check Stock

Tekonsha ZCI™ Zero Contact Interface Universal ModuLite® & Installation Kit

  • Activates a trailer's stop/turn/tail/running lights without cutting or splicing into your vehicles wiring system - simply snap on included current sensors.
  • Use when: trailer has more than 1 light assembly per side and is equipped with multiple clearance or running lights.
  • if tow vehicle may tow a variety of trailers.
  • Re-settable short circuit/overload protection - guards itself and the tow vehicle from shorts and wiring install mishaps.
  • rated at 4.2 amps for turn/stop circuits, 7.5 amps for taillight circuit.
  • Works on all vehicle types including standard, PWM and/or multiplex systems, ensuring full brightness of the trailer lights during operation.
  • ZCI sensor technology and direct connection to the tow vehicle battery, eliminates all electrical connection and interference with the tow vehicle electrical system.
  • Isolates trailer light operation from tow vehicle's electrical system.
  • 5 amps for taillight trailer circuits. Works with low side Switched vehicles.
Check Stock

Vertlley Heavy Duty 3-48V Test Light Digital LCD Backlight Display Circuit Tester with 140 Inch Extended Spring Wire Car Truck Vehicles Automotive Low Voltage Backlit with Voltmeter Stainless Probe

  • 【WIDE VOLTAGE RANGE】The voltage range that this light tester can detect is 3-48V. The circuit tester/circuit test light is widely used to check automotive circuits and other 3-48v DC wiring and circuits. This is also a test light with voltmeter..
  • 【HIGH-QUALITY AND HEAVY DUTY】The automotive test light is made of cellulose acetate. It is tougher and not easily broken than ordinary materials. This automotive circuit tester is larger and heavier than ordinary test lights on the market..
  • 【ACCURATE LCD DIGITAL DISPLAY】The 3-48 volt test light is equipped with a digital backlit LCD. The digital light tester can resolution to 0.1V voltage reading on blue/white back light LCD digital display, with high accuracy to 0.1V. This digital voltmeter is very convenient for checking or maintaining vehicles at night or in dark places. (Two back light colors are shipped randomly).
  • 【MORE CONVENIENT TO USE & CARRY】The 3-48v test light uses high-quality 140-inch (3.6m) PU spring wire with a large alligator clip. It is convenient to operate this tester light with one hand. This car fuse tester light is small in size and easy to carry around..
  • 【DURABLE INSULATION】This circuit tester is equipped with pure copper clips and insulating sleeves, which can better c....
Check Stock

Step Light

  • Heavy Duty Construction, large size tester body made with high quality ABS, heavy duty, shatter-proof, durable than normal test light..
  • 6-24v Widely Use Circuit Tester,designed to check vehicles electrical circuits, automotive battery, circuit integrity and other 6-24 volt wiring and circuits..
  • Made with sharp super hard steel probe for piercing wires, also for hard to reach areas..
  • Portable 135 inch long enough PU spring wire cord and large size alligator clip for easy and one hand operation..
  • Strictly tested long service life test light bulb, including 1 pcs replacement conductive spring& bulb set to make it serve you faithfully for years. 100% customer satisfaction service..
Check Stock

Driving Tests 101

  • Heavy Duty Construction, large size tester body made with high quality ABS, heavy duty, shatter-proof, durable than normal test light..
  • 6-24v Widely Use Circuit Tester,designed to check vehicles electrical circuits, automotive battery, circuit integrity and other 6-24 volt wiring and circuits..
  • Made with sharp super hard steel probe for piercing wires, also for hard to reach areas..
  • Portable 135 inch long enough PU spring wire cord and large size alligator clip for easy and one hand operation..
  • Strictly tested long service life test light bulb, including 1 pcs replacement conductive spring& bulb set to make it serve you faithfully for years. 100% customer satisfaction service..
Check Stock

Klein Tools 80016 Circuit Breaker Finder Tool Kit with Accessories, 2-Piece Set, Includes Cat. No. ET310 and Cat. No. 69411

  • Circuit Breaker Tool Kit can help quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to which an electrical outlet or fixture is connected.
  • Digital Circuit Breaker Finder with GFCI Outlet Tester (Cat. No. ET310) receiver delivers clear visual and audible indications when the correct breaker has been located.
  • Transmitter incorporates a GFCI outlet tester to inspect the wiring condition at the electrical outlet and test GFCI devices.
  • Circuit Breaker Finder Accessory Kit ( Cat. No. 69411) includes standard 3-prong to 2-prong grounding adapter.
Check Stock

Sex Packets

  • QUICK AND EASY CIRCUIT IDENTIFICATION: No more guessing when locating the correct circuit breaker supplying power to AC outlet or lighting fixture. Positively identifies circuit breakers and fuses without service interruption..
  • AUTOMATIC CIRCUIT IDENTIFIER: Proper wiring is crucial to ensure safety and performance of branch circuits. From a safety perspective, shock hazards and fires are mainly due to poor installation or failure of protective devices, such as GFCIs..
  • RECEIVER AUTO POWER OFF: Receiver automatically shuts down if not used for 10min. Low battery detection ensures device is always charged and ready to use. If the battery voltage is below 7.3 volts, receiver beeps 3 times and turns off..
  • IDEAL QUALITY: Family-owned, professionally run company with a long history of building relationships, providing top customer service and setting industry standards. We’ve been committed to the craft and its craftsmen for over 100 years..
  • PRODUCT DETAILS: Digital Receiver & GFCI Circuit Tester. Non-contact voltage sensor from 80-300VAC automatically and quickly finds correct brea....
Check Stock

Klein Tools 80016 Circuit Breaker Finder Tool Kit with Accessories 2-Piece Set Includes Cat No ET310 and Cat No 69411 & 69401 Multimeter Carrying Case

  • Product 1: Circuit Breaker Tool Kit can help quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to....
  • Product 1: Digital Circuit Breaker Finder with GFCI Outlet Tester (Cat. No. ET310) receiver delivers clear visual and audible indications when the....
  • Product 1: Operates on 90-120V AC circuits.
  • Product 1: Transmitter incorporates a GFCI outlet tester to inspect the wiring condition at the electrical outlet and test GFCI devices.
  • Product 2: Constructed of black 600d Nylon.
Check Stock

MAXXHAUL 50155 7-Way Blade Trailer Wiring Tester

  • Designed to test your wiring harness by simply plugging the tester inline between your tow vehicle and trailer, turn on your lights and check the easy to read LED indicator lights..
  • Pin point and trace the problem if it's on the tow vehicle or the trailer being towed.
  • Durable molded plug construction will work in different weather condition and provide many years of service.
  • Simple plug and read design to allow you to effective test your trailer lights, isolate the problem and save your valuable time and money.
  • Compact design allows you to store in your tool box, glove compartment or anywhere to be ready when you need it.
Check Stock