Wiring for Replacement 7-Way on 2007 Chevy Silverado Classic

Question

Question:

Replacing a 7 way plug on 2007 Chevrolet classic silverado. The wires have been cut I dont know what colors go where

asked by: Dale

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Expert Reply:

In order to install a 7-way on your 2007 Chevy Silverado, you would need to use a circuit tester such as # PTW2993 to determine the functions of the wires because wiring colors can change. I have added a link to an article which you may find useful, as well as a diagram showing the location of the pins on a 7-way.

expert reply by: Kyle S

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Answer 1

I have included pictures of diagrams for both a trailer side and vehicle side 7-Way for you. A 2007 Chevy Silverado 2500 Classic would either have a 7-Way trailer connector or no trailer connector at the back. If it does not have a 7-Way the wiring…

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Answer 2

Yes, 14 gauge wire seems too small. I would go with 10 or 12 gauge. For 10 gauge you can use #10-1-1 and for 12 gauge use #12-1-1. These wires are sold in increments of 1 foot. So if you needed 20 feet of wire you would enter 20 in the quantity box.…

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Answer 3

There are actually two ways that 7-way wiring colors are commonly seen. One uses a red wire and the other a purple. The circuits they represent do vary though. So check out the updated diagram I attached to this page and most likely you need to wire…

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Answer 4

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 -…

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Answer 5

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 purple…

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Answer 6

There are more commonly used colors which is what is on the Hopkins 7-Way, #H20046. Wire color configurations typically vary by age of the trailer and type of the trailer. For example, an RV manufacturer tends to use different wiring than the…

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Answer 7

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 on…

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Answer 8

I attached a diagram that shows how to match all of the wire colors of the Hopkins Multi-Tow 7-Way Blade and 4-Way Flat Trailer Connector #HM11141144 to the wire colors on your 2017 GMC Canyon.

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Answer 9

Yes, we have diagrams for nearly every type of trailer wiring connector available. Check out the link I attached to see them all. Most likely you have a 7-way on your 2008 Chevy Silverado so I attached a picture of a diagram of a 7-way.

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Answer 10

There are two color code standards that are used in the trailer world. The Hopkins 7-Way RV style connector and cable, #H20046, that you referenced uses the RV Industry standard color code which is as follows: White Wire - Ground Red Wire - Left…

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Answer 11

The diagram you attached shows a 7-way wired up in what is considered the "traditional way." If you check out the chart I attached you will see the three ways (really only 2), that a 7-way can be wired. The Featherlite is wired up like the…

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Answer 12

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…

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Wiring for Replacement 7-Way on 2007 Chevy Silverado Classic

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