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Pollak 7-Way to RV Socket LED Circuit Tester - Vehicle End

Retail: $59.17
Our Price: $39.63
In Stock
This circuit tester plugs into the 7-way connector on your truck. LED lights indicate which functions (brake, turn, tail, stop, reverse and 12V) are properly working.Features: 7-way circuit tester 12V power Function Codes: BU: back up or reverse circuit center pole RT: right turn/brake TM: taillights LT: left turn/brake BK: brake controller output 12V: 12-volt
  • Testers
  • Tow Function Tester
  • Circuit Tester
  • Pollak
  • Black

Curt 7-Way to RV Socket LED Circuit Tester - Vehicle End

Retail: $30.42
Our Price: $19.90
In Stock
This circuit tester plugs into the 7-way connector on your vehicle. LED lights indicate which functions (brake, turn, tail, stop, reverse, electric brakes, and 12V) are properly working. Color-coded ...
Features: 7-Way connector tester plugs into your vehicle's wiring harness to confirm your lights are functioning Tests tail lights, brake lights, turn signals, reverse lights, electric brakes
  • Testers
  • Circuit Tester
  • Tow Function Tester
  • CURT

Brophy Circuit Tester for 4-Pole Flat Trailer Connector

Retail: $15.17
Our Price: $13.83
In Stock
Circuit tester plugs into your 4-way flat trailer wiring harness and identifies lighting problems. Labeled LED lights illuminate to show which functions are working properly.Features: Circuit tester plugs into your trailer's wiring harness to check the conductivity of all the circuits between your vehicle and your trailer Quickly identifies lighting problems Labeled
  • Testers
  • Circuit Tester
  • Tow Function Tester
  • Brophy
  • Black

Brophy 4- and 5- Way Flat Circuit Tester

Retail: $23.58
Our Price: $21.33
In Stock
This Brophy electrical tester works for both 4- and 5- way flat trailer wiring harnesses.Features: Plugs into your trailer's wiring harness to check the conductivity of all the circuits between your vehicle and your trailer Quickly identifies lighting problems Can be left attached to
  • Testers
  • Circuit Tester
  • Tow Function Tester
  • Brophy
  • Black

Curt LED 5-Way Flat Circuit Tester - Vehicle End

Retail: $12.95
Our Price: $9.51
In Stock
This circuit tester plugs into the 5-way trailer connector on your vehicle. The bright LED lights indicate which functions (tail lights, brake lights, turn signals, and reverse lights) are working ...
Features: 5-Way connector tester plugs into your vehicle's wiring harness to confirm your lights are functioning Tests tail lights, brake lights, turn signals, and reverse lights Labeled LED
  • Testers
  • Circuit Tester
  • Tow Function Tester
  • CURT

Curt 6-Way Round LED Circuit Tester - Vehicle End

Retail: $15.95
Our Price: $11.51
In Stock
This circuit tester plugs into the 6-way connector on your vehicle. LED lights indicate which functions (brake, turn, tail, electric brakes, and 12V) are properly working.Features: 6-Way connector tester plugs into your vehicle's wiring harness to confirm your lights are functioning Tests tail lights, brake lights, turn signals, electric brakes, and auxiliary
  • Testers
  • Circuit Tester
  • Tow Function Tester
  • CURT

TowSmart Circuit Tester Kit for 4-Pole Flat Trailer Connector

Our Price: $11.57
In Stock
tester with circuit tester is the quickest and easiest way to test 4-way flat trailer plugs on towing vehicles. Simply plug the light tester into your tow vehicle and the LED lights will illuminate to
  • Testers
  • Circuit Tester
  • Tow Function Tester
  • TowSmart

Hook Probe Circuit Tester

Retail: $25.50
Our Price: $13.01
In Stock
From under-dash tangles to trailer wiring headaches, this circuit tester helps you zero in on electrical issues fast. It hooks on, lights up, and powers through the job without slowing you down.Highlights Test 6V and 12V Circuits: Great for automotive and trailer electrical systems Hands-Free Testing: Molded hook locks onto wires so you can work more efficiently 4' Insulated Cord
  • Testers
  • Circuit Tester
  • Performance Tool

Tekonsha Trailer Wiring Circuit Tester

Retail: $690.99
Our Price: $388.94
In Stock
This tester helps you to quickly identify problems in your trailer wiring. It tests the left turn, right turn, tail/marker, brake and backup circuits to indicate the level of current in each circuit ...
battery) connected to the trailer charge circuit Includes charger for the internal battery of the trailer tester Works with 7-way trailer connector Adapters (sold separately) allow use with 4-pole, 5-pole
  • Testers
  • Circuit Tester
  • Tekonsha

Performance Tool W2973C 6/12V Circuit Tester 'n Probe Light for Cars, Trucks, Tractors & RVs

Our Price: $6.50
In Stock
Quickly check circuits and wire function with this Performance Tool 6 to 12V tester. Designed for automotive electrical systems, it features an insulated piercing probe and an alligator-clip lead for ...
Ideal for diagnosing automotive wiring, fuses, and electrical functions Specs: Application: Automotive 6V and 12V electrical systems Tester type: Piercing probe circuit tester Test lead: Integrated with
  • Testers
  • Circuit Tester
  • Performance Tool

LCD Digital Circuit Tester

Retail: $38.72
Our Price: $26.31
In Stock
Features: Economy LCD Circuit Tester with LED back light Ideally used to detect power, voltage, ground, and circuit integrity Surge protected circuitry displays DC voltage from 3V to 48V (±0.3V
  • Testers
  • Circuit Tester
  • Performance Tool

Cordless Circuit Tester

Retail: $37.85
Our Price: $18.97
In Stock
  • Testers
  • Circuit Tester
  • Performance Tool

Computer Safe Logistic Probe - PTW2991

Retail: $37.31
Our Price: $18.41
In Stock
Features: Quickly tests high and low voltages on all vehicle circuits, including computerized engine and body controls Tests power and ground voltages Bright red and green LEDs interpret voltage
  • Testers
  • Circuit Tester
  • Performance Tool

Mighty Cord SurgeMinder Surge Protector and Circuit Tester - 50 Amps

Retail: $212.27
Our Price: $175.48
In Stock
Get an RV surge protector and circuit tester in one convenient package. Plug into the 50-amp outlet at the campsite to see if it's safe to use before you get set up. Keeps appliances safe from ...
Features: 50-Amp surge protector prevents damage to your RV from power spikes Surge protection module offers 4,200 joules of protection in case of lightning strike Circuit tester LEDs indicators show
  • Circuit Analyzer
  • Surge Protector
  • 50 Amp
  • SurgeMinder
  • Portable

Mighty Cord SurgeMinder Surge Protector and Circuit Tester - 30 Amps

Retail: $157.62
Our Price: $116.94
Get an RV surge protector and circuit tester in one convenient package. Plug into the 30-amp outlet at the campsite to see if it's safe to use before you get set up. Keeps appliances safe from ...
Features: 30-Amp surge protector prevents damage to your RV from power spikes Surge protection module offers 2,100 joules of protection in case of lightning strike Circuit tester LEDs indicators show
  • Surge Protector
  • Circuit Analyzer
  • 30 Amp
  • SurgeMinder
  • Portable

Mighty Cord RV Circuit Tester for 50-amp Outlets

Retail: $57.17
Our Price: $38.88
In Stock
Plug a circuit tester into your site's power supply to make sure it is safe to use before you get unpacked. LEDs indicate 9 possible wiring faults you'll wish you knew about before getting ...
Features: Circuit tester identifies common wiring problems at an RV campsite's 50-amp outlet LEDs indicators show you if there's a problem and what that problem is Compare LED lights to
  • Circuit Analyzer
  • 50 Amp
  • Mighty Cord
  • Portable

Mighty Cord RV Circuit Tester for 30-amp Outlets

Retail: $47.06
Our Price: $32.72
In Stock
Plug a circuit tester into your site's power supply to make sure it is safe to use before you get unpacked. LEDs indicate 6 possible wiring faults you'll wish you knew about before getting ...
Features: Circuit tester identifies common wiring problems at an RV campsite's 30-amp outlet LEDs indicators show you if there's a problem and what that problem is Compare LED lights to
  • Circuit Analyzer
  • 30 Amp
  • Mighty Cord
  • Portable

Modulite Circuit Protected Power Converter w/ 5-Way Flat, Hardwire Kit, and Tester

Our Price: $70.75
In Stock
Modulite Protector with Integrated Circuit & Overload Protection, Hardwire Kit and Tester vehicle circuit Included with Hardwire Kit: Modulite Wiring Harness (119177) Modulite Install Kit (118151) 20' of 12-gauge wire, ring terminals, and inline fuse for battery connection Circuit tester To
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Tekonsha
  • Splice-In
  • 5 Flat
  • Powered Converter
  • Universal Fit

Hopkins Endurance Flex Trailer Connector Adapter w/ LED Circuit Tester - 6-Pole to 4-Pole

Retail: $37.24
Our Price: $21.98
In Stock
This adapter lets you use your 6-way round connector with a 4-way flat, trailer-end plug. It includes a circuit tester with red LEDs, and the 5" long, flexible wire between the plugs makes for ...
Features: Adapter converts your 6-pole round, vehicle-end connector to a 4-wire flat connector Integrated circuit tester with red LEDs lets you know when wiring is functioning properly Flexible wire
  • Wiring Adapters
  • Hopkins
  • 6 Round to 4 Flat
  • Universal Fit

Hopkins Trailing Wiring Installation Kit with Circuit Tester and 4-Way Flat Dust Cover

Retail: $20.99
Our Price: $15.95
In Stock
Ideal for rewiring a trailer, this kit contains a 6-12-V LED circuit tester, connectors, ring terminals, zip-ties, ground screws, and more. probe circuit tester 1 Roll of electrical tape 9 Butt connectors 1 Terminal grease packet 2 Self-tapping, hex-head ground screws (20) 5-1/2" Long zip-ties (1) 4-Wire flat dust cover 4 Splice
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Reese Trailer Connector Adapter w/ LED Circuit Tester and Dust Cover - 7-Pole to 4-Pole or 5-Pole

Retail: $31.30
Our Price: $21.22
This adapter lets you quickly convert your 7-way connector for use with a 4-way or 5-way flat trailer-end plug. It includes a circuit tester with red LEDs and a built-in dust cover that protects the ...
Features: Easy-to-use, plastic adapter converts your vehicle's 7-blade, RV-style, vehicle-end connector for use with a 4-wire or 5-wire flat, trailer-end connector Circuit tester with highly
  • Wiring Adapters
  • Reese
  • 7 Blade to 4 Flat
  • 7 Blade to 5 Flat
  • Universal Fit

Hopkins Endurance Flex Trailer Connector Adapter w/ LED Circuit Tester - 7-Pole to 4-Pole or 5-Pole

Retail: $30.90
Our Price: $22.94
This adapter lets you use your 7-way, RV-style connector with a 4- or 5-way flat, trailer-end plug. It includes a circuit tester with red LEDs, and the 5" long, flexible wire between the plugs ...
Features: Adapter converts your 7-pole, blade-style, vehicle-end connector to a 4- or 5-wire flat connector Integrated circuit tester with red LEDs lets you know when wiring is functioning properly
  • Wiring Adapters
  • Hopkins
  • 7 Blade to 4 Flat
  • 7 Blade to 5 Flat
  • Universal Fit

Ratcheting Crimper Set for 10 Gauge to 22 Gauge Wire - 151 Pieces - PT89VR

Retail: $62.48
Our Price: $42.15
  • Wiring Tools
  • Wire Crimper
  • Performance Tool
  • Red

Hopkins Endurance Powered Tail Light Converter w/ 4-Way Flat Trailer Connector and Install Kit - HM46370

Retail: $114.29
Our Price: $84.82
In Stock
The built-in tester on the 4-way flat in this kit lets you easily troubleshoot. Great for setups with LED or incandescent bulbs, this kit converts your vehicle's lighting system to match your ...
, use a circuit tester (sold separately) to double-check the function of each wire on your vehicle's tail light wiring harness. The color/function of the splice-in wires on this converter may not
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Hopkins
  • Splice-In
  • 4 Flat
  • Powered Converter
  • Universal Fit