3 Pin Adapter Plug | Grand General The Grand General 3 Pin Adapter Plug is designed for reliable performance in two-function lighting applications. Built with 8-inch 18-gauge UL-listed wires, this adapter includes three wires, each equipped with a #10 ground ring for dependable grounding and secure electrical connections. Ideal for trucks, trailers, RVs, buses, ATVs, and utility vehicles, this plug provides a durable solution for custom wiring, replacements, or lighting repairs. Manufacturer: Grand General Item Number: 87368 Plug Type: 3-pin adapter plug Wire Gauge: 18 GA UL-listed wires Lead Length: 8" Grounding: Three #10 ground rings included Function: Ideal for two-function light applications Fitment: Universal for multiple vehicle types Sold By: Each Performance & Fit This adapter plug offers stable electrical connections through its UL-listed wiring and reinforced ground rings. The 8-inch lead wires provide flexibility for routing during installs, making it suitable for marker lights, auxiliary lights, stop/turn applications, and custom rewiring projects. Installation Connect each wire to the appropriate two-function lighting lead. Secure the #10 ground rings to proper grounding points. Insert the 3-pin connector into your light or harness. Test the lighting function before finalizing installation. Why You’ll Love It UL-listed 18 GA wires for reliable power delivery Three #10 ground rings for secure grounding Flexible 8-inch leads for easy routing Perfect for two-function lighting setups Designed for a wide range of vehicles Common Questions Is this plug universal? Yes — it fits most 3-pin lighting systems. Does it work with LED lights? Yes — suitable for incandescent and LED lighting systems. Do all three wires include ground rings? Yes — each wire is equipped with its own #10 ground ring. ⚠️ California Proposition 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov. Note: 3-pin adapter plug with 8" UL-listed wires and three #10 ground rings. Designed for two-function light applications. Sold individually. Item Number: 87368.
