Trailer Wiring Solution for Wiring Up Trailer that Has 8 Wires  

A 4-way trailer connector will have four functions which means it will also have four wires for the exception of wishbone harnesses. These four functions are ground, tail light, right turn, and left turn. The ground function will usually be…

I have a solution for you, but you will need to cut off your existing plug and re-wire this to a new 4 way connector. Your current trailer plug appears to have wires for the left (yellow) and right (green) turn signal, brown wires for the running…

Powered trailer wiring harnesses are not tested or rated for any alternate installation method. Installing it by attaching the power wire to a power outlet 12 volt wire will void the warranty. Also many times those outlets are not the only…

On a 7-Way trailer connector the brake lights and turn signals are on the same circuits. The pins in the connector at the 3 o'clock and 9 o'clock positions are the turn signal and brake light circuits. On the tow vehicle side use a circuit…

There are several items you might want to try using for removal of corrosion in your 7-way trailer connector, like part #HM48480. White Vinegar A wedge shaped, slip on pencil eraser or art gum eraser Pipe cleaners PB Blaster If the corrosion is…

It could be a tow package fuse on the vehicle. Use the owners manual to find the locations of fuses/relays related to the tow package wiring to check them and replace as needed. If the issue is not a fuse or relay then you can test the vehicle side…

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

Lance does have a proprietary plug, but many customers see a standard 6-way or 7-way round and notice it doesn't fit their factory 7-way as well. I've attached an article to help if you have one of the 7-way or 6-way round connectors which we…

Yes, we do. To add a hitch to your 2024 Toyota Grand Highlander, I recommend the Curt Trailer Hitch item #C26VV. This hitch is custom fit and bolts to your Toyota with included hardware. This is a class III hitch with a 2" receiver. It has a…

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

Class I and Class II hitches both have a 1-1/4 inch receiver opening. The difference is that a Class I hitch has a lower tongue weight rating, usually 200 pounds and a lower towing rating, usually 2,000 pounds. A Class II hitch usually has a tongue…