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Review on πŸ”Œ RV Trailer Plug Light Circuit Tester Adapter - 7 Way Blade & 4 Pin Trailer Wiring Tester for Boat SUV Truck by Bernard Her

Revainrating 5 out of 5

Works well saves time

I bought an RV trailer circuit tester because I found a blown fuse in my truck twice which was preventing the trailer lights from working. If it happens again now I can check the power supply to pinpoint the problem. It is also easy to read in daylight, which is also a plus. The ability to test four or seven pin connections makes it even more versatile.

Pros
  • Durable finish
Cons
  • Will not fit all