• ● Easy Installation: Contains 2pcs of 25FT 4-pin wires with male plugs and a white ground wire for a hassle-free setup【PRODUCT TYPE】: This is a 25-foot male & 4-foot female 4 way boat trailer wiring harness extension kit with 18 Gauge white ground wire 4 flat trailer wire is color-coded and bonded wire for easily installationThe white ground wire is made of 18-gauge, reduce corrosion and makes installation safe
• ● Extended Functionality: Our package includes 2pcs of 4-way extension wires with waterproof capped female plugs for flexible use【EXCELLENT DESIGN】:This 25foot 4 wire boat trailer wiring extension can conform to the SAE J1128 specification Extends wiring system provides more flexibility It can protect tow vehicle electronics from wiring shorts Includes a 4-feet trunk connector, splices, and clips This trailer wire harness kit also can work on an COPPER trailer based on the ground wire
• ● All-Weather Resilience: Designed to weather any condition, making it the optimal choice for reliable trailer and RV lighting【4-WAY CONNECTORS & FITMENT】:You can install the trailer wire so quickly and easily through the 4-way connectors 4-pin connectors are available allowing the basic hookup of the three lighting functions (running, turn, and brake lights) plus one pin is provided for a ground wire Most standard light duty trailers will use a 4-pole flat connector Not compatible with motorcycle trailer wiring, and you could confirm the fitment to be not the wrong item before ordering
• ● Versatile Compatibility: Perfectly suitable for installing all types of trailer and RV lights, delivering high performance in all circumstances【APPLICATION】: This 4 wire trailer wiring harness is widely used in marine trailers, horse trailers, motorcycle trailers, ATV trailers and other multi-purpose cargo trailer hitch devices (note: there must be 4-way plug)
• ● Complete Package: 2×sets of trailer light wiring harness extension kits1 instructions for wiring the running light included. The different color wires are clearly identified as each wire's function, so you can make the installation safe and straight-forward