2025 Silverado 1500 | Trailer Wiring Harness Adapter | 7 Way Blade to 4 Way Flat

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Sync your trailer lights with your 2025 Silverado 1500 lights through the Trailer Wiring Electrical Adapter from Chevrolet. This wiring harness adapter enables you to connect and adapt your Silverado 1500 wiring system to your trailer wiring system, helping you to communicate your actions to other drivers. The 7-Way to 4-Way Electrical Adapter makes it easy to supply power from the Silverado 1500 electrical system to your trailer. The Trailer Wiring Electrical Adapter adapts a 7-way RV blade vehicle socket to fit 4-way flat output to connect tail lights, brake lights and turn signals. Simple plug-and-play design eliminates the need for cutting or splicing.

Adapts Vehicle wiring system to trailer wiring system, 7 way to 4 way
Helps communicate your actions to other drivers while trailering
Adapts a 7-way RV blade vehicle socket to fit 4-way flat trailer plugs
Simple plug-and-play design eliminates the need for cutting or splicing
Weather-resistant connection with Corrosion-resistant terminals

Silverado 1500 | Trailer Wiring Harness Adapter | 7 Way Blade to 4 Way Flat

Part Number: 19366958

Brand: Genuine GM+

Electronics Return Policy

$12.00 $9.72

DOG DAYS of SUMMER CLEARANCE | 25% OFF
Price Valid Through: 08-09-2026

What our customers say...

Bernie C.

Do not buy this product it is not as listed in the details. Has no built in resistors as claimed and the company will not return it because i opened it to try it. Called Curt manufacturing who makes this and they confirmed it has no built in resistors. Dont get scammed like i did!!