SKU: 81781976391

4 Pin Trailer Light Wire Harness Extension 18 Gauge 4-Way Flat Wiring Connector

Sale price$670.49 Regular price$744.99
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

4 Pin Trailer Light Wire Harness Extension 18 Gauge 4-Way Flat Wiring Connector1. 4 way flat wiring harness extension with a male and female end 2. The 4 flat light connector can give you extra length of tow light, hitch light, trailer light wire, trailer wiring, etc. and replace or fix the broken wires. It also can be used for trouble shooting to check if the light circuits are working 3. Plug and Play Connection. You do not need to cut the original harness to add wires. Color coded wire directly match the trailer wire system

4 Pin Trailer Light Wire Harness Extension 18 Gauge 4-Way Flat Wiring Connector
4 Pin Trailer Light Wire Harness Extension 18 Gauge 4-Way Flat Wiring Connector
Shipping Notes
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SKU: 81781976391

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4.5 ★★★★★
Based on 372 reviews
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Verified Purchase
TitothePinkTorpedo
Bozeman, US
★★★★★ 5
Great Product for noise reduction in Auto Use.
Model: 36 SqFt(3.4 SqM)
I use this on many builds to dampen the metal echo in cars, vans, and trucks. Just one sheet in the center of a body panel is a huge difference maker. You can also cover the entire surface and get added insulation value. The noise is greatly depleted and it's easy to install with a roller tool. Looks Great when done. Good Product I will use again!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 29, 2025
R
Verified Purchase
Robert Gheysens
Louisville, US
★★★★★ 5
Night and day difference
Style: Tech Pack 28 sqft
Stuff works great. Really makes a difference in the sound quality of the vehicle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
L
Verified Purchase
lael gore
Dallas, US
★★★★★ 5
Worth it
Style: Tech Pack 28 sqft
Excellent sound deadening for my tundra doors. Expensive, but worth it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
D
Verified Purchase
Dana Coelho
Carnegie, US
★★★★★ 5
Heat and sound deterrent.
Style: Tech Pack 28 sqft
My husband likes this stuff for his older cars. Helps with heat from engine and sound.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
D
Verified Purchase
Dupre'
Boise, US
★★★★★ 5
Sound Barrier
Style: Tech Pack 28 sqft
Easy to install and work with
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026

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