Trailer Wiring Harness Installation - 2007 Chevrolet Silverado Video

The colors that GM typically uses for their factory trailer wiring are as follows - Dark Green - Right Turn/Brake Lights Yellow - Left Turn/Brake Lights Brown - Tail Lights White - Ground Light Green - Backup Lights Blue - Electric Brakes Red/Black -…

While I can sympathize with your issue, it is not safe to tow a trailer if you only have a 2" hitch ball and your trailer coupler is designed for a 2-5/16" hitch ball, even for a short distance; the insecure connection between hitch ball…

For what you are looking for the Hopkins 7-Way/4-Way #HM40920 is exactly what you are looking for. This is a Twist-In style connector that fits the port you have in your Silverado bumper for trailer wiring and gives you a 7 and 4-way. I have this…

The flat head screw to use with the hitch adapter #853-7489 is the #853-5787-02.

Though you may not have the factory tow package, almost all GM pickup trucks like your 2002 Sierra 2500HD came with the factory trailer wiring. You mentioned you have an existing trailer plug, which you can use to install the Multi-Tow 7-Way and…

You can select your new hubs by matching up your axle weight rating, wheel bolt pattern and the bearings used in your current hubs. Based on my research your hubs are 10 x 2-1/4-inches, are from a 3500-lb axle and have the 5-on-4-1/2 bolt pattern. If…

I would check the power distribution box under the hood of your 2005 GMC Sierra 2500HD . The box is located under the hood and on the inside of the drivers side fender. Remove the cover, and locate the two auxiliary power posts on the inboard side of…

A 4-way or 7-way trailer connector is labeled as such based on the number of pins it has. The pictures I've attached show the two. You can see the 7-way has 7 pins, 6 of them in a circle pattern and one more in the center. A 4-way has 4 pins…

Without knowing the year, make and model of the vehicle, I can't really provide any specifics but I can provide you some general things to check. The first thing you'll want to do is determine if the problem is in the vehicle or the trailer…

Your brake lights and turn signals for each side are on one circuit. The left side turn signal and brake light is generally the yellow wire going into your trailer connector. The first thing to do is check the fuses on your tow vehicle. Next, inspect…

The Hopkins Endurance Multi-Tow 7-Way RV and 4-Way Flat Trailer Connector part #HM40950 holes may line up with the bracket on your 2004 Chevy Tahoe if it's a Z71. According to Hopkins this connector only fits a 2004 Chevy Tahoe if it's a Z71.…

If your 2003 Chevrolet Silverado 1500 has a round plug at the end of the wiring harness at your rear bumper (that looks like the one in the linked picture) than you can use part #HM40975 to have a combination 4-pole and 7-way trailer socket. If you…