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7-Way Flat Pin to 4 & 5-Flat Adapter w/LED Circuit Tester & Dust Cover.
• Easily adapt OEM 7-way blade connector to either 5-flat or a 4-flat connector, Patent pending.
• Instantly checks electrical circuit for connectivity.
• Displays connectivity using high visibility LEDs.
• Attached dust cover included to keep terminals clean when not towing a trailer.