![]() ![]() Six-wire configurations are commonly found on horse trailers, for example to run a fan.įinally, seven-way wiring (purple) provides yet another wire for hooking up things like hydraulic couplers. This wire will typically run to a fuse block breakaway kit, trailer interior lights or a battery charger. Six-way wiring includes a sixth wire (typically red) that is used for a fuse block or fused battery lead. The wire is also tapped into the backup lights to trigger the disengagement of the trailer’s braking system. ![]() The fifth wire will typically be tapped into your vehicle brake light to ensure that when you activate your vehicle brakes, the trailer brake lights also light up. įive-way wiring, the next level, includes the four wires for the turn lights, ground, and taillights, as well as a fifth wire (colored blue) for an additional function – typically for surge brakes built into a trailer or camper. Chart courtesy of East Penn Manufacturing. Right: A chart showing typical trailer wiring configurations and wire colors. These four types of wires together constitute what is known as “four-way wiring.” Four-way wiring is quite common and is suitable for most light-duty trailers and boat trailers. ![]() White is ground, and brown is for the trailer’s taillights. The more complex your trailer’s wiring, the more likely you will need to consider specialized connectors that are built to handle multiple pins and are resistant to corrosion.Ī good place to start is by getting to know the industry-standard color codes for trailer wires. Using the right wiring and connectors will help ensure the safe and reliable operation of lights, batteries, brakes, turn signals, and other trailer functions such as interior lighting, entertainment systems and refrigeration. Whether you’re using a lightweight trailer to haul a few personal items, or pulling a livestock trailer, a boat trailer, or camper, it’s important that the trailer has been wired correctly. Please verify any information in question with a sales representative.Pull-behind trailers come in a variety of sizes, weight classes and features. While every reasonable effort is made to ensure the accuracy of this data, we are not responsible for any errors or omissions contained on these pages. Specifications, features, equipment, technical data, performance figures, options, and color and trim are based upon information available at time of publication, are subject to change without notice, and are for mainland U.S.A. Please see your participating Toyota dealer for details. WarrantyThe Toyota Genuine Accessory Warranty will only apply when the installation is performed by a trained Toyota-approved installer. Please verify any information in question with a sales representative. Data AgreementSpecifications, features, equipment, technical data, performance figures, options, and color and trim are based upon information available at time of publication, are subject to change without notice, and are for mainland U.S.A. ![]()
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