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    True MODS 4-Way Flat Trailer Light Tester 4-Pin Wiring Circuit Test

    • STRAIGHTFORWARD TRAILER LIGHT TESTING - Simply plug the tester inline between the tow vehicle and trailer, turn on the lights and check the easy to read LEDs.
    • ISOLATE PROBLEMS QUICKLY- By effectively splitting the trailer wiring harness in half, problems can be quickly traced to the tow vehicle side or the trailer side wiring.
    • NO TOOLS NEEDED - Plug-n-play design means you don't need anything else to effectively test your trailer light harness.
    • LONG LASTING CONSTRUCTION - Designed to be weather, corrosion, and impact resistant for years of reliable service.
    • CONVENIENT COMPACT DESIGN -The two-sided design means you can leave it plugged in or store it conveniently in your glove box, door pocket, or tool box.
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    4-Way Flat LED Indicator Trailer Wiring Circuit Tester
    4-Way Flat LED Indicator Trailer Wiring Circuit Tester

    True Mods

    "Transform Innovative Ideas Into Reality"

    ELIMINATE DOWN TIME AND FRUSTRATION

    Our easy-to-use circuit tester helps you quickly identify and fix problems with your trailer light circuit. Simply plug it into the bumper connection or in-line between the tow vehicle and trailer, turn on the lights to be tested and check the LED lights on the tester. The correct LED will be illuminated if the power and ground wiring of the tow vehicle is functioning correctly.

    • Compatible with standard 4-pin trailer adapter connection (both male and female)
    • LED indicator for circuit continuity tests
    • Plug-n-Play easy installation
    • Compact and small - easy to put away

    Trailer Light Testing

    STRAIGHTFORWARD TRAILER LIGHT TESTING

    Simply plug the tester inline between the tow vehicle and trailer, turn on the lights and check the easy to read LEDs.

    Tester Close Up with Truck and Trailer

    ISOLATE PROBLEMS QUICKLY

    If the LEDs are not coming on? Time to check the tow vehicle’s wiring. What about if the LEDs are illuminated but the trailer lights still don't work? Time to check the trailer wiring. Quick, simple and effective.

    Tester Plugged In

    NO TOOLS NEEDED

    Plug-n-play design means you don't need anything else to effectively test your trailer light harness.

    Tester Stored In Glove Box

    CONVENIENT COMPACT DESIGN

    The two-sided design means you can leave it plugged in. Or store it conveniently in your glove box, door pocket, or tool box.

    HEAVY DUTY BUILD FOR SUPERIOR PERFORMANCE

    Manufactured to exacting specifications, this circuit tester is built to last. The rugged PVC plastic body is designed to be weather, corrosion and impact resistant. Even in the small details, this circuit tester stands out from the crowd. Like the convenient dust cover that protects the tester when not in use. Small enough to fit in your hand, tough enough to get the job done right.

    PEACE OF MIND TOWING

    Take this small lightweight tester wherever you go and drive with confidence. Quickly test your lights before, during, or even after a trip. Switching trailers? Not a problem. Test any 4-pin trailer even if you are in the middle of nowhere.

    Size Image
    Size Chart

    Details & Specs

    • Package & Dimension: Length (In): 2.13, Width (In): 2.00, Height (In): 0.50
    • MPN: TST0031

    What's Included?

    (1) 4-Way Flat Circuit Tester

    4-Way Flat LED Indicator Trailer Wiring Circuit Tester

    ELIMINATE DOWN TIME AND FRUSTRATION

    True Mods

    "Transform Innovative Ideas Into Reality"

    4-Way Flat LED Indicator Trailer Wiring Circuit Tester

    Our easy-to-use circuit tester helps you quickly identify and fix problems with your trailer light circuit. Simply plug it into the bumper connection or in-line between the tow vehicle and trailer, turn on the lights to be tested and check the LED lights on the tester. The correct LED will be illuminated if the power and ground wiring of the tow vehicle is functioning correctly.

    • Compatible with standard 4-pin trailer adapter connection (both male and female)
    • LED indicator for circuit continuity tests
    • Plug-n-Play easy installation
    • Compact and small - easy to put away
    Trailer Light Testing

    STRAIGHTFORWARD TRAILER LIGHT TESTING

    Simply plug the tester inline between the tow vehicle and trailer, turn on the lights and check the easy to read LEDs.

    Tester Close Up with Truck and Trailer

    ISOLATE PROBLEMS QUICKLY

    If the LEDs are not coming on? Time to check the tow vehicle’s wiring. What about if the LEDs are illuminated but the trailer lights still don't work? Time to check the trailer wiring. Quick, simple and effective.

    Tester Plugged In

    NO TOOLS NEEDED

    Plug-n-play design means you don't need anything else to effectively test your trailer light harness.

    Tester Stored In Glove Box

    CONVENIENT COMPACT DESIGN

    The two-sided design means you can leave it plugged in. Or store it conveniently in your glove box, door pocket, or tool box.

    HEAVY DUTY BUILD FOR SUPERIOR PERFORMANCE

    Manufactured to exacting specifications, this circuit tester is built to last. The rugged PVC plastic body is designed to be weather, corrosion and impact resistant. Even in the small details, this circuit tester stands out from the crowd. Like the convenient dust cover that protects the tester when not in use. Small enough to fit in your hand, tough enough to get the job done right.

    PEACE OF MIND TOWING

    Take this small lightweight tester wherever you go and drive with confidence. Quickly test your lights before, during, or even after a trip. Switching trailers? Not a problem. Test any 4-pin trailer even if you are in the middle of nowhere.

    Size Image
    Size Chart

    Details & Specs

    • Package & Dimension: Length (In): 2.13, Width (In): 2.00, Height (In): 0.50
    • MPN: TST0031

    What's Included?

    (1) 4-Way Flat Circuit Tester

    Product information

    Brand ONLINE LED STORE
    Power Source Corded Electric
    Style Flat
    Color Black
    Item dimensions L x W x H 6.5 x 3.74 x 0.7 inches
    Upper Temperature Rating 60 °C
    Measurement Type Electrical Measurement Device
    Compatible Devices Vehicles with 4-pin trailer connector and trailers with 4-pin connector
    Style Name Flat
    Item Dimensions 6.5 x 3.74 x 0.7 inches
    Brand Name ONLINE LED STORE
    Model 8542039913
    Unit Count 1 Count
    UPC 816165026065
    Manufacturer ONLINE LED STORE
    Part Number ACCEPSTST0031

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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