Peterson Manufacturing V5411 4-Way Flat Tester
Peterson Manufacturing V5411 4-Way Flat Tester
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Peterson Manufacturing

Peterson Manufacturing V5411 4-Way Flat Tester

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Key item features

  • 4-Way Flat Tester
  • Tester plugs into connector of tow vehicle and illuminates when the electrical connections are correct.
  • Tests to SAE standards on flat 4-way functions for tail light, stop / turn lights, and ground.
  • Made in Taiwan
Current price is $4.98
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4 out of 5 stars
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Showing 1-1 of 1 review

Jul 15, 2025
sgt509
Sold and shipped byBoat and RV Accessories
4 out of 5 stars review

Verified Purchase

Upside down

Its upside down??? When I plug it in to my new truck with a trailer package, it is upside down. The lights are facing down and you can't see it they are on or not unless you use a mirror.

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