CURT Automotive Electrical Plug: 4-Way, Rubber, 16 ga Wire Gauge, Trailer and Tow Vehicle
SKU 3G-OTH-487841
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Frequently Asked Questions
What is CURT 58304 4-Way automotive electrical plug used for?
The CURT 58304 is a 4-way rubber electrical plug designed for trailer and tow vehicle wiring. It connects lighting and auxiliary circuits between a towing vehicle and trailer, commonly used in fleet maintenance, utility trailers, and light-duty towing applications.
What are the specifications of CURT 58304 4-Way plug?
The CURT 58304 is a 4-way rubber electrical plug with 16 ga wire gauge, designed for trailer and tow vehicle wiring. It is a wire-type connector, not a molded assembly, allowing custom installation. The manufacturer part number is 58304.
Where to buy CURT 58304 4-Way plug in worldwide?
3G Electric supplies the CURT 58304 4-Way automotive electrical plug to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for international orders. Contact us for pricing and lead time.
How to install CURT 58304 4-Way plug on a trailer?
Install the CURT 58304 by splicing the 16 ga wires to your trailer and tow vehicle wiring harness using butt connectors or solder. Match wire colors per standard 4-way codes: left turn/brake, right turn/brake, tail/marker lights, and ground. Seal connections with heat shrink for weather resistance.
Used in
Common applications for CURTCURT Products
3G Electric supplies CURT fleet and vehicle maintenance. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









