bing tracking image

Search: trailer wiring tester   >  

Result: trailer wiring tester

Curt Echo Wireless Brake Controller - 7-Way Plug-in w/ Bluetooth App - Up to 2 Axles - Proportional - C51180

Retail: $432.95
Our Price: $279.95
In Stock
... installation with no wiring. is unique for its plug-and-play installation. With no wiring or permanent installation, setting up the Echo is a breeze. The main unit plugs into the 7-way at the rear of your vehicle and then the
  • Electric
  • Proportional Controller
  • CURT
  • Under-Dash
  • Plug-In
  • Smartphone App
  • Multiple Trailers
  • Smartphone Display

Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires

Retail: $139.85
Our Price: $104.08
In Stock
If your vehicle already has a 4-way flat, this kit includes everything you need to install an electric trailer brake controller and 7-way connector. If there's not an existing 4-way flat on your ...
Features: Kit includes wiring and accessories required for installation of a trailer brake controller (sold separately) in your vehicle Designed for use on a vehicle with an existing 4-way flat
  • Installation Kits
  • Trailer Brake Controller
  • etrailer

Bright Way Trailer Breakaway Kit with Charger, LED Tester, and 5 Ah Battery - Side Load

Our Price: $65.02
In Stock
LED tester lets you easily check the battery's charge. Built-in charger pulls just enough power from your vehicle when your trailer is hooked up to make sure your breakaway battery stays charged ...
case Lid can be secured with padlock (sold separately) to deter battery theft Wiring diagram is printed on the battery box lid Rubber O-ring in the lid helps keep water out of the box Drain holes in the
  • Side Load
  • Kit with Charger
  • Bright Way
  • Electric
  • Tandem-Axle
  • Single-Axle
  • Push-to-Test
  • 48 Inch Long
  • 5 Ah

Tekonsha Trailer Wiring Circuit Tester

Retail: $690.99
Our Price: $449.68
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 ...
and 6-pole connectors 1-Year limited warranty This diagram illustrates the error codes that the trailer tester will display if it detects faults in the currents of your trailer wiring.
  • Circuit Tester
  • Testers
  • Tekonsha

TowSmart ProClass 7-Blade Trailer Connector w/ Wire Tester - Trailer End

Retail: $36.99
Our Price: $28.91
In Stock
You're wiring up a trailer and need to know it's done right. This 7-way plug lights up to show which signals are live the second you connect. You crimp it, test it, and roll out knowing ...
Highlights 7-Blade Connector: Standard trailer-end plug for lights, brakes, and power. Built-In LED Tester: Confirms active signals during hookup. Screw Terminals: Accepts blunt-cut wires for easy
  • Trailer End Connector
  • Trailer Connectors
  • TowSmart
  • 7 Blade

etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector

Our Price: $56.06
In Stock
This kit includes a junction box so you can quickly and easily connect the wires from the included trailer connector to your trailer's wiring.Features: Kit allows you to upgrade from a 4-way, 5-way, or 6-way connector to a 7-way connector Pre-wired, 7-way, blade-style, trailer-end connector lets you connect your trailer to your vehicle
  • Trailer End Connector
  • Trailer Connectors
  • etrailer
  • 7 Blade

New Arrivals — From Our Shop to You!

Chosen by folks who live and breathe this, just like you.

New Arrivals — From Our Shop to You!

Chosen by folks who live and breathe this, just like you.

Kristin
Kristin etrailer team member
Kristin etrailer team member

15

Years

|

589

Installations

15,864

Customers Helped

Any questions? Chat us from Missouri

Hopkins Engager Trailer Breakaway Kit w/ Charger, LED Tester, and 5 Ah Battery - Side Load

Retail: $73.29
Our Price: $56.39
In Stock
The built-in charger in this kit keeps your battery charged and ready to bring your single-axle or tandem-axle trailer to a complete stop should it become disconnected from your vehicle. LED tester ...
, 5-amp-hour battery, battery box, and wiring Department of Transportation (DOT) compliant Specs: Application: single-axle and tandem-axle trailers with electric brakes Battery: Voltage: 12V Type: lead acid
  • Side Load
  • Kit with Charger
  • Hopkins
  • Electric
  • Tandem-Axle
  • Single-Axle
  • LED Indicator
  • 48 Inch Long
  • 5 Ah

Hub Bearing Kit for Lippert, Dexter, and AL-KO Axles - 3,500 lb with #84 Spindle - BK2-100

Retail: $34.32
Our Price: $15.39
In Stock
Contains everything needed to repack one hub on your Lippert, Dexter, or AL-KO 3,500-lb axle.
  • Standard Bearings
  • Bearing Kits
  • Bearings
  • etrailer
  • Bearing L44649 and L68149
  • 3500 lbs Axle
  • Race L68111 and L44610

TowSmart ProClass Plug-In Trailer Connector Adapter w Wire Tester, Ergo Grip - 4-Way Flat to 7-Blade

Retail: $27.99
Our Price: $20.80
In Stock
You've got a 4-flat on the vehicle and a 7-way on the trailer. No time to rewire. You grab this adapter, plug it in, and the built-in lights confirm the signals are live. Now you just need to ...
converts your 4-flat vehicle wiring to fit a 7-way trailer plug. It's a plug-and-play solution for light-duty towing. The built-in LED tester confirms that brake lights, taillights, and turn signals are
  • Wiring Adapters
  • TowSmart
  • 4 Flat to 7 Blade
  • Universal Fit

TowSmart ProClass 7-Blade Trailer Connector w/ Jacketed Cable, Wire Tester - 72" Long

Retail: $59.99
Our Price: $52.39
In Stock
You're rewiring a trailer from scratch or cleaning up a mess of splices. This 7-way gives you a fresh cable, sealed jacket, and built-in test lights. You wire it once, plug it in, and know its ...
Highlights 7-Blade Connector: Standard plug for trailer lights, brakes, and 12V power. LED Tester Built In: Lights confirm signal function during hookup. Jacketed Cable: Sealed 72" wiring
  • Trailer End Connector
  • Trailer Connectors
  • TowSmart
  • 7 Blade

Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Coiled Adapter Cord

Retail: $226.99
Our Price: $156.17
In Stock
This complete kit includes everything you need to connect your RV's tail, brake, and turn signal lights to your towed car. Diodes prevent damage from electrical feedback. Includes 7-way to 6-way coiled adapter cord and 6-way socket.Features: Complete wiring kit connects your RV's tail, brake, and turn signal lights to your towed car Diodes prevent feedback that can damage your vehicle's electrical components Protected
  • Diode Kit
  • Splices into Vehicle Wiring
  • Roadmaster
  • 7 Blade to 6 Round
  • Universal Fit

etrailer Anti-Rattle Hitch Collar for 2" Hitch Receivers - e38FV

Our Price: $48.73
In Stock
We've been there - the rattles, the clanks, the frustrating swaps - so we built a smarter solution. This anti-rattle collar installs fast, stays secure, and works with all your hitch-mounted gear, so you can focus on the road ahead. plastic or metal shims. Features to know about One Hitch, Endless Possibilities Haul a trailer, load up a cargo carrier, or take the bikes out for an adventure - this anti-rattle collar keeps your setup
  • Universal
  • Standard Anti-Rattle
  • etrailer
  • Fits 2 Inch Hitch
  • Steel
  • Towing Anti-Rattle
  • Accessory Anti-Rattle

Brightway Trailer Breakaway Kit w/ Charger, LED Tester, and 10 Ah Battery - Top Load

Our Price: $118.11
In Stock
LED tester lets you easily check the battery's charge. The built-in charger in this kit keeps your battery charged and ready to bring your single-, tandem-, or triple-axle trailer to a stop ...
case's lid Includes breakaway switch, 2-amp charger, 10-amp-hour battery, battery box, and wiring Specs: Application: single-axle, tandem-axle, or triple-axle trailers with electric brakes Battery: Voltage
  • Top Load
  • Kit with Charger
  • Bright Way
  • Electric
  • Tandem-Axle
  • Single-Axle
  • Triple-Axle
  • LED Indicator
  • 48 Inch Long
  • 10 Ah

TowSmart 4-Way Flat Trailer Connector w/ Wire Tester - Trailer End - 24"

Retail: $10.99
Our Price: $9.45
In Stock
The trailer lights are flickering again. You've replaced bulbs, checked grounds, and still no luck. Time to swap the plug. This 4-way flat connector comes with a built-in tester and 24 inches of ...
Highlights 4-Way Flat Plug: Standard trailer-end connector. 24" Bonded Wire Lead: 18-gauge wire for stop, turn, and taillights. Built-In Wire Tester: Lets you verify light function during
  • Trailer End Connector
  • Trailer Connectors
  • TowSmart
  • 4 Flat

Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector

Retail: $130.95
Our Price: $76.43
In Stock
Install a 4-way flat on your vehicle with this splice-in harness. Powered converter connects directly to battery to reduce strain on wiring. Potted, SMT construction boosts water and vibration ...
that your vehicle's wiring matches that of your trailer Works with 2-wire, 3-wire and pulse-width modulation (PWM) systems Connects directly to your battery to avoid overloading your vehicle's
  • Vehicle End Connector
  • Trailer Hitch Wiring
  • CURT
  • 4 Flat
  • Powered Converter
  • Universal Fit
  • Splice-In

TowSmart Plug-In Trailer Connector Adapter w/ Wire Tester - 4-Way Flat to 7-Blade

Our Price: $14.55
In Stock
You're lining up the trailer in the driveway when you realize the plug doesn't match. No time to rewire. You grab the adapter, plug it in, and the lights fire up. Quick fix, solid connection ...
Confidence The built-in LED tester lets you check your trailer wiring before you hit the road, so you can catch any issues early and tow safely. Specs Connector Type: Vehicle side: 4-way flat Trailer side
  • Wiring Adapters
  • TowSmart
  • 4 Flat to 7 Blade
  • Universal Fit

TowSmart Circuit Tester Kit for 4-Pole Flat Trailer Connector

Our Price: $13.31
In Stock
You're chasing a light issue with no clue if it's the truck or trailer. You plug in the tester, hit the blinkers, and the LEDs show what's live. No guesswork. Just answers before you ...
Trailer Wiring This compact plug-in tester helps you verify that your tow vehicles 4-way flat connector is working correctly. Plug it in, activate the lights in the cab, and the built-in LEDs will light up
  • Circuit Tester
  • Tow Function Tester
  • Testers
  • TowSmart

Brophy Circuit Tester for 4-Pole Flat Trailer Connector

Our Price: $16.22
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
  • Circuit Tester
  • Tow Function Tester
  • Testers
  • Brophy
  • Black

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

Retail: $32.64
Our Price: $20.10
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
  • Circuit Tester
  • Tow Function Tester
  • Testers
  • CURT

Blue Ox Base Plate Kit - Removable Arms - BX1139

Our Price: $605.00
In Stock
Custom designed to fit your vehicle so it can be safely towed behind your RV, this base plate has easily removable arms that offer a seamless look when you're not flat towing. Base plate bolts directly to your chassis, so no welding is required. consuming than hooking up with a tow bar. There are 5 basic components needed when flat towing a vehicle: a tow bar, a base plate kit, a safety cable set, tow bar wiring, and a supplemental braking system
  • Twist Lock Attachment
  • Removable Draw Bars
  • Blue Ox
  • Completely Hidden

TowSmart Harness with 4-Pole Flat Connector - Wire Tester, Ergo Grip - Trailer End - 12"

Our Price: $15.11
In Stock
You're hooking up the trailer and the lights are dead. Could be the truck, could be the plug. This harness tells you fast. Built-in LEDs show what's live, and the grip makes it easy to ...
Highlights 4-Way Flat Connector: Standard trailer-end wiring harness. Built-In LED Tester: Confirms active signals during hookup. Ergo Grip Handle: Makes connecting and disconnecting easier
  • Trailer End Connector
  • Trailer Connectors
  • TowSmart
  • 4 Flat

Curt Powered Tail Light Converter w/ 4-Way Flat Trailer Connector and Install Kit

Our Price: $165.22
In Stock
Great for cars and trailers with either LED or incandescent bulbs, this kit converts your vehicle's lighting system to match your trailer's. It includes a 4-way flat, wire taps, and a power ...
that your vehicle's wiring matches that of your trailer Avoids overloading your vehicle's electrical system by connecting directly to your battery Power wire and fuse kit included Designed with
  • Vehicle End Connector
  • Trailer Hitch Wiring
  • CURT
  • 4 Flat
  • Powered Converter
  • Universal Fit
  • Splice-In

Deutsche Hydrapro Trailer Breakaway Kit w/ Charger, LED Tester, and 10 Ah Battery - Top Load

Our Price: $108.99
In Stock
If your trailer breaks away from your tow vehicle, your brakes won't work unless they have power. This kit adds a battery and switch to keep the brakes working, and it's required by law on ...
and G1600 actuators. Features To Know About Powers the Brakes If Your Trailer Comes Loose When you're towing, your trailer brakes work off your truck's battery through the 7-way wiring plug. But
  • Top Load
  • Kit with Charger
  • Deutsche Hydrapro
  • Electric over Hydraulic
  • Tandem-Axle
  • Single-Axle
  • Triple-Axle
  • LED Indicator
  • 10 Ah

Blue Ox Avail Non-Binding Tow Bar - RV Mount - 2" Hitch - 10,000 lbs - BX7420

Retail: $1,179.00
Our Price: $955.45
In Stock
This heavy-duty tow bar is easy to maneuver, with a swivel head joint that lets the arms twist left and right. Non-binding levers let you disconnect at the campsite, even on rough terrain. Extra-long arms help you make tight turns. time and hassle to hook up. To flat tow your vehicle, there are 5 basic components you're going to need: a tow bar, a base plate kit, a safety cable set, tow bar wiring, and a flat tow braking system
  • Telescoping - Non-Binding
  • Hitch Mount
  • Blue Ox
  • Fits Blue Ox Base Plates
  • Steel
  • 10000 lbs
  • Cables Included
  • Stores on RV