Trailer Lights Not Working when Connected to 2008 Chevy Express 2500 w/Factory Tow Package

Question

Question:

I have factory installed 7 pin trailer plug. I only have access poer to the plug. No turn, brake , running. I checked 30 amp fuse for trailer plug and fuses user driver seat dont see any issue. Any suggestions?

asked by: Cory A

0

Expert Reply:

First we should make sure we have checked all of the fuses and relays related to the factory tow package wiring on your 2008 Chevy Express van. Under the hood there are the following fuses related to the tow package wiring:

Location 8 = right stop lamp, trailer turn signal
Location 16 = left stop lamp, trailer turn signal
Location 35 = Trailer wiring (this is a very ambiguous description and just might be the culprit)
Location 62 = Trailer wiring (see above)

Oddly enough there isn't a separate trailer running light fuse so it is either tied into one of the ambiguous "Trailer wiring" fuses or connected directly to the vehicle running light circuit.

If none of those are the issue then inspect the wiring itself as much as you are able and fix any damaged or pinched wires as needed.

expert reply by: Michael H

0

Answer 1

I can only go by what the owner's manual for your 2014 Chevy Express Van lists and on the online version I was able to pull up it shows the following fuse locations for towing circuits inside the under-hood fuse block: #3 position - Trailer Right…

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Answer 2

While there is not a way to test the "full" scope of working properly, you can definitely ensure that it is receiving the proper power and starting the calibration process. A trailer does need to be connected in order for the LEDs to be on…

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Answer 3

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 4

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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Answer 5

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…

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Answer 6

To install a Redarc Tow Pro Liberty in your 2023 Toyota Tacoma Sport you will need the following parts: Redarc Tow-Pro Liberty Brake Controller item #RED24FR Plug-and-Play Wiring Harness for Redarc Tow-Pro Trailer Brake Controllers item #RED99FR…

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Answer 7

Hey, Stephen! We got just what you need. Since you don't have a tow package, I'm not sure if you have a hitch on your 2025 Ford Ranger so I'll include one just in case. Draw-Tite Max-Frame Trailer Hitch Receiver Part #DT35PR Curt…

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Answer 8

You're right, the mounting bracket is unique (in a good way) for the Curt TriFlex NEXT Trailer Brake Controller #C24VV. The bracket is smaller and all you do is put the included adhesive tape on the bracket and stick it wherever you like under…

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Answer 9

We can get you everything you need for towing with your 2017 Toyota Sienna XLE. By plastic shield, I believe you are referring to the appearance panel underneath the Sienna, and that will have to trimmed a bit in each of the hitches available for the…

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Answer 10

Actually, the P3 now has the upgraded axis accelerometer like the P2. The Tekonsha P3 Trailer Brake Controller #90195, will work with both electric over hydraulic brakes on the trailer as well as electric brakes. It has a menu option on the display…

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Answer 11

The Redarc Tow-Pro Liberty #RED24FR is the way to go over the Elite #RED44FR as you get the nicer functions of the Elite at a lower price. The Elite has the ability to be the more preferred proportional style of controller as well as a time-delayed…

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Answer 12

Hey Brandon, I would strongly recommend sticking with the Tekonsha RF brake controller part #TK94FR. We know this works really well and it sounds like it worked well for you too. The Curt Echo is not reliable enough for me to really ever recommend it…

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Trailer Lights Not Working when Connected to 2008 Chevy Express 2500 w/Factory Tow Package

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