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

0

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Answer 1

To determine where the problem is first disconnect the trailer from the tow vehicle. Use a circuit tester such as #PTW2993 or a meter if you have one to test the vehicle side trailer connector while the head lights are on. If there is power on the…

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Answer 2

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…

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Answer 3

It sounds like you need vehicle side connection using the Replacement 7-Way Connector #74682. This will give you the blade style connection to match your trailer wiring. If you need the 7-blade to 7-pin adapter, I recommend the Trailer Connector…

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Answer 4

From what I could find it looks like your 122R (red) and 122Y (amber) lights measure 3.75" x 1.70" x .81". We don't have any replacement lense directly for the GLO-BRITE lights but we do have some similar lights that you could use…

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Answer 5

If your current springs have 5 leaves then going to a 7 leaf spring will increase the height of the trailer a little and make the trailer more susceptible to sway. Regarding capacity if you go with springs rated higher than what is required it will…

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Answer 6

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

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Answer 7

You will need the Red LED Trailer Clearance or Side Marker Light #328-K-52 or Amber LED Trailer Clearance or Side Marker Light #328-K-51 for your 2018 Forest River Sunseeker motorhome. These lenses have the same Top Command SAE-AP2-16 markings on the…

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Answer 8

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…

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Answer 9

The correct replacement for a Demco Master Cylinder 05680-C is the Replacement Master Cylinder part #5650. I spoke with Demco to confirm this for you.

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Answer 10

I agree it is the right time to upgrade to a Lithium charger/converter as not all are Lithium compatible. I recommend using the Progressive Dynamics Mighty Mini AC/DC Panel and Converter/Smart Charger - 60 Amp #PD4060K which is a replacement for your…

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Answer 11

I would be happy to help you set up your 2022 Toyota Highlander to haul your new travel trailer. The wiring harness you currently have controls your trailer's lighting functions only. You do not need to rewire your Toyota you just need another…

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Answer 12

The correct replacement master cylinder kit we have for your Demco setup is the part #DM5918 which comes with the lock out replacement.

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Wiring for Replacement 7-Way on 2007 Chevy Silverado Classic

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