4-Way Flat Tester

SPECIFICATIONS

This handy keyring tester is perfect for determining the source of failed trailer lighting.

Simply plug the tester into tow vehicle connector. and illuminates when the electrical connections are correct.

Test Marker, Turn and Brake functions as well as ground wire.

If the fault is in the vehicle the tester diodes will not light.

If the fault is in the trailer the tester diodes will light but the trailer lights may not function.

Also perfect for keeping mud and debris out of your vehicle plug when not connected to a trailer.

Tests to SAE standards on flat 4-way functions for tail light, stop/turn lights, and ground.

Self-service Viz Pack packaging for retail display.

Related UPC *044464967332

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