Innovative Products Of America 7893 7-Way Flat Pin Tractor Trailer Circuit Tester
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<b>[Product Information]</b><br>
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<li>Designed to plug into vehicle side wiring harness where its 7 lead each correspond to its circuit</li>
<li>LED doesn’t illuminate relatively it symbolizes that a problem exists from the vehicle wiring harness back to the fuse box</li>
<li>Ensures durability and is backed by a 1 year warranty</li>
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