CURT Automotive Electrical Plug: 4-Way, Rubber, 16 ga Wire Gauge, Trailer and Tow Vehicle
SKU 3G-OTH-487872
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Frequently Asked Questions
What is the CURT 58348 4-way flat trailer plug used for?
The CURT 58348 is a 4-way flat connector used to link a tow vehicle's electrical system to a trailer's tail lights, turn signals, and brake lights. It is commonly used on utility trailers, boat trailers, and small RVs for reliable lighting communication.
What are the specifications of the CURT 58348 trailer plug?
The CURT 58348 is a 4-way flat connector with a rubber housing and 16-gauge wire. It is designed for both trailer and tow vehicle applications. The manufacturer part number is 58348. It provides a weather-resistant connection for standard trailer lighting functions.
Where to buy the CURT 58348 4-way flat trailer plug worldwide?
3G Electric supplies the CURT 58348 4-way flat trailer plug to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time on this CURT electrical connector.
How to install a CURT 4-way flat trailer plug?
To install a CURT 4-way flat plug, strip the trailer and tow vehicle wires, match functions (left turn, right turn, tail, ground), and connect using the included splice connectors or solder. Secure the rubber housing to prevent moisture ingress. Always verify with a circuit tester.
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.









