Trailer Wiring Harness Installation - 2006 GMC Sierra Video

The standard layout for a 7-Way plug can be viewed in the included diagram. If your 2006 GMC C5500 has a factory 7-Way, this should be the same layout used for your existing plug. If it is an aftermarket 7-Way, it is possible that the plug was…

In order to switch from your electric brakes to a disc brake system there are several things you will want to consider. It is true that the disc brakes will provide better braking for you, although converting can require an involved installation.…

To wire your electric brakes you will want to run 10 gauge wire #10-1-1 to one of the brakes and run it to the other brake, using butt connectors like #05732-2 to connect them. The grounds will not be spliced, each brake assembly should have its…

It's a wire color difference but not a function difference on the pins of the 7-way. The difference comes from the fact that the two different styles are representative of two different areas that uses trailers. Traditional is usually seen…

The 40 amp fuse for your 2006 Chevrolet Silverado tow package is used for the 12 volt battery charge circuit. This fuse is located toward the front of the underhood fuse box closest to the front auxiliary positive post (see photo). There may be a…

Your truck should have a round connector located above the spare tire for the adapter (part #118384) to plug into. To locate the connector, you might have to lower the spare tire. The connector is usually zip tied to the rearmost cross member. The…

For a 2006 Chevy Silverado 2500HD you will need brake controller wiring harness #3015-P for a Tekonsha, Reese, or Draw-Tite brake controller. Chevy trucks also some times need additional connections under the hood to make everything fully…

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…

I believe you are referring to the Adapter 4-Pole to 7-Pole and 4-Pole part #37185 which has the manufacturer part number of 47185B. The purple auxiliary wire can be used for 12V power, reverse lights or reverse lockout for trailer brakes. The…

The part #HM40975 normally would plug right in to the 7-way wiring of your 2005 Ford F-250, but if for some reason you have a totally hardwired setup your other solution would be to use the part #HM40975-11998 which would allow you to hardwire the…

Mounting the 5th Wheel/Gooseneck 90-Degree Wiring Harness, #50-97-410, in the bed of your 2006 Chevy 2500HD is up to the installer and user. If you like the connection point to be closer to the cab, installing between the wheel well and the front…

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…