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Curt LED 4-Way Flat Connector (Vehicle End) Tester
Code: I26
Pollak 7-Way to RV Socket LED Circuit Tester - Vehicle End
Code: PK12741
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.
Hopkins Tow Doctor Vehicle End Test Unit
Code: HM50918
Hopkins Tow Doctor Trailer End Test Unit
Code: HM50928
Brophy Circuit Tester for 4-Pole Flat Trailer Connector
Code: F4CT
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.
Tekonsha Trailer Wiring Circuit Tester
Code: 8010
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. It also tests the voltage of the trailer battery.
Curt Brake Controller Wiring Circuit Tester - 7 Way Plug
Code: C51498
Circuit tester helps to quickly identify problems with your vehicle's tow package wiring. Tests brake controller output, brake and battery voltages, and signal circuits. 20' Long cord plugs into 7-way connector for convenient, in-cab testing.
Tekonsha 7-Way, RV-Style Tester for Brake Controllers - LED Test Lights
Code: 6562
Use this tester to check the connection between your tow vehicle's 7-pole, blade-style connector and your brake controller. Tester emulates trailer to confirm connectivity. LED lights illuminate to show each function is working.
Replacement Tow Doctor Tester
Code: 4010509028
Hook Probe Circuit Tester
Code: PTW2993
Brophy 4- and 5- Way Flat Circuit Tester
Code: F5CT
This Brophy electrical tester works for both 4- and 5- way flat trailer wiring harnesses.
7-Pole, Round-Pin Adapter for Hopkins Tow Doctor Vehicle-End Test Unit
Code: HM50944
This adapter lets you test a 7-way, round-pin, vehicle-end connector to ensure that all the wiring functions are working properly. Plugs into the extension cord on your Hopkins Tow Doctor wire harness tester (HM50918; sold separately).
In-Line Circuit Tester for 5-Way Flat Trailer Connector
Code: 20115
Test your wiring harness for shorts by plugging this tester in-line between your vehicle and trailer. LED lights illuminate with correct connection. Compact size allows easy storage.
Digital Multimeter with 42" Long Test Leads - LED Display
Code: PT89ZR
3-Piece Electrician Tool Set
Code: PTW1714
7-Way Adapter for Hopkins Tow Doctor Trailer End Test Unit
Code: HM4010509031
Current Monitor with 7-Blade Connector
Code: 6565
LCD Digital Circuit Tester
Code: PTW2992
Digital Multimeter with 42" Long Test Leads - XL LCD Display
Code: PT29ZR
Tekonsha Bench Tester
Code: 7585
Circuit Tester for Curt Brake Controllers
Code: C51521
Tester helps to quickly identify problems in your brake controller wiring. Tests brake controller output voltage, short circuit or overload, and connection to indicate the level of current in each circuit.
4-Way Flat Adapter for Hopkins Tow Doctor Trailer End Test Unit
Code: HM4010509029
Computer Safe Logistic Probe
Code: PTW2991
6-Way Round Adapter for Hopkins Tow Doctor Trailer End Test Unit
Code: HM4010509030