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5 Way Flat and 7 Way Blade Trailer Light Tester
Part of towing responsibly is making sure your trailer lights are working properly !!!
Darwin Johnson
Reviewed in the United States on February 13, 2025
Good to have so you can make sure your truck lights are working right
J
Reviewed in the United States on January 2, 2025
I purchased this tester to test a new connector that I installed. The old connector did not come apart well and the wiring was not marked.I managed to get a print of what I believed to be the correct wiring of the old part but had to verify through some trial and error.I used this to test both sockets as I put a dual socket holder in place. It showed both of them were wired correctly.
jmcw77
Reviewed in the United States on January 16, 2025
Great little tool for checking power connections from vehicle to trailer without having to actually hook up to the trailer. My problem turned out to be a burned out fuse in the vehicle, a quick and easy fix.
Brad Stevenson
Reviewed in the United States on January 16, 2025
Used it extensively when rewiring the car trailer. It does exactly what it says it does.
Ruben
Reviewed in the United States on January 1, 2025
Product works great. Works as it should. I was able to check the wiring to my harness and determined my pins were loose.
Clarence P.
Reviewed in the United States on August 22, 2024
this tester works great it will only test 7 pin and 5 pin trailer wiring harnes it will not work on a 4 pin trailer harness attach to ur truck
JP Clark
Reviewed in the United States on December 21, 2024
It's hard to tell if the problem with my trailer lights is the car or the trailer. Or how hard it is to connect the round end to the car properly. This made testing my wiring/plug so easy.
M. Farr
Reviewed in the United States on November 2, 2024
It works well for a quick check of the tow plug and confirms connections.
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