Which Trailer Wiring Harness Fits a 2004 Jeep Grand Cherokee Laredo with Factory Tow Package

Question

Question:

I have a 2004 Jeep Grand Cherokee Loredo 4WD, Rocky Mountain Edition. The sticker indicates that I have Trailer tow prep group $105 AHC option, but I cannot find connector under vehicle. Where is it exactly? Do you have video or pictures? Do I use your part number 118381?

asked by: Rich L

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Expert Reply:

In 2004, the Jeep Grand Cherokee either came with a factory installed 7-Way harness at the rear of the vehicle or no trailer connector. The towing prep package may not necessarily include the 7-Way, but it could still have the tow package. This sounds like the case for your vehicle. Since it states that it has the towing package, then you will need Tow Ready Custom Fit Vehicle Wiring, # 118381, that you have referenced.

You will need to locate the factory wiring harness behind the bumper on the driver side. You can test the factory plug to determine if it is functional using a circuit tester # PTW2993. You will need to test the turn, brake, and running lights and see if the factory plug carries signals for each to verify this harness is needed. I have included a link to the installation details for this wiring harness below.

expert reply by: Michael H

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Answer 1

Since you do not have the tow package I am assuming you do not have a factory trailer connector. In that case I would recommend you get a Curt T-Connector Custom Fit Vehicle Wiring #C55369. This is the recommended wiring harness for the 1999-2004…

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Answer 2

The hitch that you referenced the Curt #13051, is indeed a class III hitch that is confirmed as a fit for your 2004 Jeep Grand Cherokee. I have included a video of this installation for your reference. Since your Cherokee does not have any existing…

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Answer 3

To install a trailer light, you will want to use part #C55369, a Curt T-Connector that is designed to work cooperatively with the vehicle computer and wiring. It plugs into a port in the cargo area, behind a panel on the driver side. I have added a…

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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

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 6

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 7

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Answer 8

Yes, we do. To add a hitch to your 2024 Toyota Grand Highlander, I recommend the Curt Trailer Hitch item #C26VV. This hitch is custom fit and bolts to your Toyota with included hardware. This is a class III hitch with a 2" receiver. It has a…

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Answer 9

Class I and Class II hitches both have a 1-1/4 inch receiver opening. The difference is that a Class I hitch has a lower tongue weight rating, usually 200 pounds and a lower towing rating, usually 2,000 pounds. A Class II hitch usually has a tongue…

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Answer 10

I did some checking and the hub/drum we offer that will work for you is the part #8-430-5UC3. This uses the same bearings as the 8-415 and will be an exact fit aside from the fact this is a non-ABS setup and the 8-415 came in an ABS setup and non-ABS…

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Answer 11

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Answer 12

Lance does have a proprietary plug, but many customers see a standard 6-way or 7-way round and notice it doesn't fit their factory 7-way as well. I've attached an article to help if you have one of the 7-way or 6-way round connectors which we…

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