The Wesbar electrical circuit tester is the simplest way to check the continuity of the lighting circuit on your vehicle when you have a 4-Flat connector. Plug it in; indicator will show if the circuit is functioning. The attached molded tethered with loop allows for installation as a cover to protect the 4-flat connector while at the same time testing the circuit when not towing a trailer.
- Checks each electrical circuit for continuity
- LED indicator
- Bright red LED output
- Can hook on key chain
4-Flat Car End Tester with LED Display
|Compatibility||Any Trailer Size|
|Dimensions||2" x 0.5" x 1.5"|
|Mounting Hardware||Sold Separately|
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