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40FT 4 Pin 5 Wire Trailer Wiring Harness Kit
✅ In stock
F
Grade
Analysis Confidence
100%
Price verified Sep 21, 2026 4:38 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 🏷️The retail sticker price has been slashed by 54% — a steep markdown from the official listing.
- 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
1.5/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Forgeline Auto
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓PREMIUM CONSTRUCTION & DURABILITY:The trailer wiring harness kit crafted with 18 AWG pure copper core wires for optimal conductivity, shielded by dual-layer protection:a thick PVC coating for insulation and an abrasion-resistant braided nylon mesh sleeve.Built to withstand extreme weather, road debris, and Wear, significantly extending harness lifespan.
✓SIMPLIFIED 4-PIN/5-WIRE DESIGN:Trailer Wiring Harness Kit Features an efficient 5-wire configuration (including dedicated ground), eliminating complex rewiring.This streamlined "Plug & Play" design ensures correct connections for turn signals, brake lights, running lights, and ground – saving time and hassle.
✓OPTIMIZED LENGTH & COMPREHENSIVE ACCESSORY BUNDLE:Includes a full 40ft main harness(male plug) plus a robust 2.5ft grounding wire for flexible installation. Comes complete with 32 essential professional-grade installation accessories(8 pcs Trailer Frame Wire Clips+ 8 pcs Solder Seal Wire Connectors + 8 pcs plastic wire connectors+8 Tie ties)
✓EFFORTLESS DIY INSTALLATION:Clearly color-coded wires and a user-friendly "for Y-harness" layout enable straightforward, error-free connection to both sides of your trailer's lighting system. Complete hardware kit ensures a quick, tool-ready install.
✓UNIVERSAL COMPATIBILITY:Directly replaces standard 4-way flat connectors on utility, boat, ATV, and cargo trailers.(Note: Requires existing 4-way vehicle/trailer sockets, not for motorcycle use)
⚙️ Specifications
Brand
YIBEICO
Item Weight
1.9 pounds
Manufacturer
YIBEICO
Package Dimensions
10.39 x 6.14 x 2.64 inches
ASIN
B0F9YGVCBL
Item model number
Y89766
Date First Available
May 27, 2025
Best Sellers Rank
See Top 100 in Automotive
Model
Y89766
Manufacturer Part Number
Y89766
Customer Reviews
4.8
