Jeep WJ Grand Cherokee Trailer Towing Specifications

By Jeep Experts

Welcome to the in-depth web page on WJ Generation Jeep Grand Cherokee trailer towing. We have organized as a lot info as we might discover right into a useful info under. Is one thing incorrect or lacking? Please get in contact with us and we’ll repair it!

Trailer hitch packages, generally, are divided into 4 lessons. Class I and Class II are often designed to be weight-carrying with use of a ball mount. The Grand Cherokee WJ makes use of Class III and Class IV, which may carry heavier masses with the usage of a weight-distributing hitch meeting that distributes the load to all trailer and automobile axles. A ball mount will also be used with Class III and Class IV Hitch Receivers for lesser masses.

Trailer Tow Prep Group (requires I-6 engine)

3.73:1 axle ratio
Mechanical cooling fan
Trailer tow wiring meeting

Trailer Tow Group Class III (requires I-6 engine)

3.73:1 axle ratio
Transmission oil cooler
Frame-mounted receptacle for load-equalizer kind hitch
7-into-4-way plug adapter

Trailer Tow Group Class IV (requires V8 engine)

3.73:1 axle ratio
Power steering cooler
Transmission oil cooler
Frame-mounted receptacle for load-equalizer kind hitch
7-into-4-way plug adapter

WJ Towing Data
Engine Transmission Maximum Loaded Trailer Weight
4.0L Power Tech I-6 4-speed automated 5,000 lb
4.7L Power Tech V8 5-speed automated 6,500 lb
High-Output 4.7L Power Tech V8 5-speed automated 6,500 lb
Maximum gross mixed weight ranking
Class 2WD 4WD
III 9550 lb 7550
IV 11,000 lb 11,000 lb
Tongue Load Limit
III, IV 750 lb
Maximum trailer size
III 25 ft
IV 30 ft
Trailer frontal space limitation of 64 sq. ft; trailer sway management and low-profile mirrors are really helpful. This chart is supposed to function a fast and simple reference information on the best way to correctly equip your Jeep Grand Cherokee for towing. For particular particulars, nevertheless, talk about your plans together with your Jeep supplier, who will assist you choose the fitting gear to fulfill your specs.

Additional towing info and cautions
See additionally:  Jeep detailed towing info (12-page PDF file)
Never overload your automobile past these design capacities. DaimlerChrysler can’t be chargeable for brake efficiency if the Jeep automobile and hydraulic brake techniques are in any approach linked. Do not interconnect the hydraulic brake system of your automobile with that of the trailer. This might trigger insufficient braking and potential private damage.

When pulling a heavy load or driving a completely loaded automobile use a premium unleaded gasoline to assist stop spark knock. If spark knock persists, lighten the load. Otherwise, engine piston harm might consequence.

Be positive a trailer is loaded heavier in entrance, about 4% of Gross Trailer Weight (GTW). Loads balanced over the wheels or heavier within the rear trigger the trailer to sway severely aspect to aspect which is able to trigger lack of management of the automobile and trailer. Failure to load trailers heavier in entrance is the reason for many trailer associated accidents.

Gross Trailer Weight (GTW) means the load of the trailer plus the load of all cargo, consumables and gear loaded on the trailer when in precise underway towing situation. The greatest solution to measure GTW is to place your absolutely loaded trailer on a automobile scale. The total weight of the trailer should be supported by the dimensions.

A separate brake system for all trailers weighing over 1,000 kilos gross is really helpful. (State legal guidelines must be checked for trailer brake necessities.)

Do not join a trailer lighting system on to the lighting system of your automobile. Use an accredited trailer wiring harness. Failure to take action might harm the automobile electrical system and/or end in private damage.

When hauling cargo or towing a trailer, don’t overload your automobile or trailer. Overloading could cause a lack of management, poor efficiency or harm to brakes, axle, engine, transmission,steering, suspension, physique construction or tires.

Make sure that the load is secured within the trailer and won’t shift throughout journey. It is really helpful that any hitches put in in your automobile be manufacturing facility put in, or put in by a supplier utilizing manufacturing facility accredited components. Factory accredited components are particularly engineered together with your automobile’s efficiency in thoughts, together with the chance that it is going to be concerned in an accident. Other hitches might not have been so engineered. Vehicle efficiency, together with automobile harm in an accident state of affairs, might due to this fact be completely different.

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If trailer towing is required and your automobile will not be geared up with a trailer tow bundle, the Mopar accent towing harnesses are the one accredited methodology to supply for trailer lights. These harnesses are designed to supply present to the trailer lights however bypass the module designed to observe tail lights. Refer to the bundle directions for particulars.

See your Owner’s Manual for extra essential info relating to correct operation of this automobile.

Hitch receiver components and equipment

The correct set up of Hitch Packages and different towing gear is extraordinarily essential. Mopar Hitch Packages are designed and examined to make sure a correct match with DaimlerChrysler Corporation autos, and set up simply utilizing present automobile body holes. However, failure to utterly observe the set up directions and procedures could cause hitch failure which might end in private damage and/or automobile harm. Beware of some aftermarket installers who might mount hitch packages which have the next towing capability than the automobile can handle.

NOTE: Do not join a trailer lighting system on to the lighting system of your automobile. Use an accredited trailer wiring harness. Failure to take action might harm the automobile electrical system and/or end in private damage.

Factory receiver equipment                                                             Mounting location                      Trailer plug varieties

Item Part # MSRP
Factory trailer tow receiver equipment
Trailer tow receiver kit (black) Includes:

1x Hitch meeting
2x Braces
2x Bolt and cone washer assemblies
1x 4-way adaptor equipment
1x Receiver cowl
6x Push-pin retainers
4x Hex flange locknuts
1x Instruction sheet


  • Requires set up Bezel and P/N 82206958 Harness, offered individually.
  • 5,000-lb tow ranking and 750-lb tongue weight w/6-cyl engine.
  • 6,500-lb tow ranking and 750-lb tongue weight ranking w/V8 engine.
    (w/weight distributing gear; in any other case 2,000-lb tow ranking, 350-lb tongue weight ranking.)
  • Does not embody ball mount or hitch ball, 2.0″ opening.
82206837 $185.00
Tow receiver miscellaneous components
M12x1.75×45 bolts (2) (included with receiver equipment) 6101102 $1.20
Receiver plug, rubber (included with receiver equipment, suits 2″ Hitch Receiver, w/Mopar emblem) 82203602 $10.00
Receiver plug, rubber (included with receiver equipment, suits 2″ Hitch Receiver, w/Jeep emblem) 82203600 $10.00
Chrome hitch balls


Mopar Hitch Balls are made of professional quality cast metal with integrated wrench flats that help in set up and elimination and are designed and examined to match the autos towing necessities. Hitch balls are sized in three dimensions: ball diameter, shank diameter and shank size. These dimensions are used to find out the hitch ball’s weight ranking. When deciding on a hitch ball, match the ball’s weight ranking and ball diameter to the trailer coupler’s weight ranking and measurement. The coupler is the a part of the trailer that attaches to the hitch ball. The socket on the coupler must be clean, clear and barely lubricated. Couplers are weight rated to the trailer load (GTW) and are available numerous sizes.


1-7/8″ diameter ball, 3/4″ diameter x 1 3/4″ lengthy shank, w/wrench flats 82401104 $18.00
1-7/8″ diameter ball, 1″ diameter x 2 1/8″ lengthy shank, w/wrench flats 82401102 $18.00
1-7/8″ diameter ball, 3/4″ diameter x 2-5/16″ lengthy shank, with wrench flats 82401197 $18.00
2″ diameter ball, 3/4″ diameter x 1 3/4″ lengthy shank, w/wrench flats 82401105 $18.00
2″ diameter ball, 1″ diameter x 2 1/8″ lengthy shank, w/wrench flats 82401103 $18.00
2″ diameter ball, 1″ diameter x 2 7/8″ lengthy shank, w/wrench flats 82401106 $18.00
2-5/16″ diameter ball, 1″ diameter x 2-1/8″ lengthy shank, with wrench flats 82401218 $18.00
Ball mount kits


Designed and examined to match your autos towing capability, Mopar’s Ball Mount Kits are made of professional quality cold-rolled metal. E-coat primer and powder-coat paint present a sturdy end.


3-1/2″ rise, 2-3/4″ drop, use solely with 3/4″ shank diameter hitch ball, for two″ opening (for weight-carry functions as much as 2000 lbs gross trailer weight with accredited Mopar trailer ball) 82200248 $33.00
5 1/4″ drop, use solely w/1″ shank diameter hitch ball, for two″ opening. Do not use in rise place 82207411 $33.00
1-3/4″ rise, 1″ drop, use with 1″ shank diameter hitch ball, for two″ opening 82201148 $33.00
3″ rise, 2-1/4″ drop, use with 1″ shank diameter hitch ball, for two″ opening 82201149 $33.00

Wring harnesses & adaptors

(All wiring is customized match to DaimlerChrysler Corporation wiring specs. Mopar Wire connectors decrease the necessity for wire splicing and have a protecting wrapping that guards towards climate and abrasion.)

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P/N 56019823                                                          ReP/N 56038366AB                                     P/N 56020142AB

7-pin to 4-pin adaptor
56019823 $15.00
Replacement 7-way connector
7-way automobile mounted connector (photo)
56038366AB $13.95
Electronic brake controller harness (2001 fashions solely)
For ease of set up of an digital trailer brake controller. In 2001 Grand Cherokees with the manufacturing facility tow bundle, a mating blue connector was supplied below the instrument panel to the left of the steering column, connected to the highest of the massive connector bracket. (photo)Note: This harness is discontinued from Jeep however could also be accessible on Ebay or different web pages.

For extra info on trailer brake controllers, see part under.56020142ABN/AWiring Harness Package
With 7-way spherical trailer connector, plugs into automobile 10-way connector, no splicing required. Vehicle will need to have manufacturing facility tow bundle. Note – wiring harness solely is P/N 56042239AE
PhotoInstallation sheet82206958$48.007-pin to 6-pin adaptor
To join horse trailer wiring to vehicle82401217$14.00Replacement Wiring Kit, Vehicle Side
5-way flat connector with 5 unterminated 8″ wires, mates w/ P/N 82400553 Mopar Trailer Tow 5-way wire harness82400709$19.75Replacement Wiring Kit, Trailer Side
5-way flat connector with 5 unterminated 8″ wires, mates w/Mopar 5-way Trailer Tow wire harness82400553$15.00Replacement Wiring Kit, Trailer Side
7-way spherical connector with 7 unterminated 8″ wires, mates w/Mopar 7-way Trailer Tow connector82400554$23.00Repair Kit, Vehicle and Trailer Side
4-way flat trailer tow connector82202089$7.00Trailer Tow Bracket Kit
To mount 4-way flat trailer tow connector82204602$5.15Trailer Tow Bracket Kit
To mount 7-way spherical trailer tow connector82204645$8.00

Installation Bezels

Rear Fascia Bezel required for receiver hitch set up. Molded to match automobile coloration, this bezel offers the look of an OE set up. Installation of the bezel requires an space of the bumper to be reduce out. A paper template was initially included with the bezel however not is. Template traces are calmly molded into the again of the automobile bumper. These could also be very exhausting to see, dusting with a wonderful chalk or powder will make the template stand out a bit higher.

Instruction sheet

Dark Blue Metallic (YBM) – matches 1999-2001 Laredo cladding 82206826 $65.00
Dark Garnet Red (YR8) – matches 1999-2001 Laredo cladding 82206827 $65.00
Medium Gray (HS5) – matches 1999 Laredo cladding 82204629 $65.00
Dark Gray (XS9) – matches 2000-2002 Laredo cladding 82205791 $65.00
Medium Driftwood/Dark Brownstone (VF7) – matches 1999-2002 Laredo cladding 82204630 $65.00
Taupe (WLP) – matches Laredo cladding (2002-2004?) 82207939 $65.00
Taupe (WLP) – 2004 Laredo Special Edition 5FY10WLPAA
(previously 5FY101LPAA)
Black (DX8) – 1999-2003 Limited, 2002-2003 Overland 82204628 $65.00
Black (DX9) – 2004 Laredo (besides SE), Limited, Overland 5FY07DX9AA $37.50
Jet Black (?) – 2004 Freedom Edition 82208647 $65.00
Note: Parts aren’t accessible from this website, info is listed for reference functions solely. Prices might change with out discover and will fluctuate by supplier or vendor. Some components may be discontinued.

Component places and wiring diagrams

Component Color Location
Trailer Tow Brake Lamp Relay Blk Left Front Quarter Panel
Trailer Tow Circuit Breaker Blk Left Front Quarter Panel
Trailer Tow Left Turn Relay Blk Left Front Quarter Panel
Trailer Tow Right Turn Relay Blk Left Front Quarter Panel
Electric brake controller wire Blue Left Front Quarter Panel
Trailer Tow Connector (7-pin) Blk In Rear Bumper


Grand Cherokee brake lamp change pinout

Diagrams for Grand Cherokee WJ manufacturing facility trailer tow wiring
Click on both picture to open a PDF file.

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Electronic trailer brake controllers

Electronic brake controllers can be found from corporations similar to Tekonsha. For 2001 Grand Cherokees that got here with the tow bundle, a pre-assembled wiring harness is out there that plugs instantly into the blue connector that’s equipped beneath the sprint. For all different Grand Cherokee WJ fashions (1999-2000 and 2002-2004) 4 wires from the brake controller should be linked to the automobile wiring:

1. Power (connects to automobile fixed 12V+, with 20A or 30A in-line circuit breaker at energy supply. The circuit breaker is often not equipped with brake controllers and must be bought individually).
2. Ground (connects to automobile chassis Ground)
3. Brake lamp change output (connects to Pin 5 tan/white wire on the automobile brake lamp change)
4. Trailer brake controller (blue wire, connects to supplied blue wire inside left cowl trim panel. This wire runs from the entrance cowl to the rear 7-pin trailer connector)

Tekonsha Electronic Brake Controller wiring diagram

Location of manufacturing facility put in brake controller wire
(All fashions besides 2001)


OEM Installation Instructions
for Mopar trailer hitch, harness and bezel

Trailer Hitch                                                            Trailer Harness                                              Trailer Bezel

Hitch (5-page PDF, 1005k)                                Harness (4-page PDF, 602k)          Bezel (6-page PDF, 826k)

Removing the cargo space left trim panel

(For entry to put in Mopar trailer wiring harness)

              Bezel (6-page PDF, 826k)                                                                                    Upper trim piece again view







Wi1. Remove the liftgate opening higher trim panel piece. The trim piece is held in place with 4 spring clips. Grab the sting closet to the entrance of the automobile and thoroughly pull it down a sufficient to launch the spring clips, working from one aspect to the opposite. Tilt it down from the entrance and pull it again to disengage the 4 headliner assist tabs.

2. Left trim cargo hooks                         3. Lower trim phillips screw               4. D-pillar higher trim

2. Remove the 2 metallic cargo internet hooks which might be connected with phillips screws.

3. Remove the left phillips screw on the decrease liftgate opening trim piece. This will permit the cargo space left trim panel to be slid out from below the decrease liftgate trim piece.

4. Remove the D-pillar higher trim piece by greedy it on the prime and pulling outward. It is held in place by two sturdy spring clips and two alignment pins.

5. Grab the left trim piece beginning on the prime left nook and pull outward to launch the spring clips. It would require a agency pull in a pair places. The trim can now be pulled again far sufficient to realize entry behind it for the trailer tow wiring harness. If you wish to take away your complete trim piece, fold down the left aspect rear seat and the trim might be pulled all the best way off. There is one different snap clip in the direction of the entrance of the trim to launch, and it will possibly then be pulled out from below the door sill trim.

putting in the trim panel:

1. Start on the slender finish in the direction of the entrance of the automobile and seat the trim edge below the door sill trim. Work the trim into place going in the direction of the again. Make positive alongside the best way that all the plastic information pins and metallic spring clips are aligned correctly to their slots earlier than urgent it again into place.

2. Reinstall the small higher D-pillar trim piece. Be very cautious that the 2 plastic tabs are aligned, and likewise that the spring clips are aligned earlier than urgent them into place. Once aligned a fast pound or two together with your palm reverse at clip space will safe it to the automobile.

3. Reinstall the liftgate opening higher trim piece. Fit the plastic clips into place across the headliner edge and align the 4 spring clips as you’re employed from one aspect to the opposite, urgent them into place.

4. Reinstall the liftgate open decrease trim phillips screw, ensuring the trim is aligned correctly.


Liftgate opening rubber seal
5. Confirm that the liftgate opening rubber seal is positioned over the quarter panel trim piece alongside your complete edge, and likewise alongside the highest fringe of the liftgate opening the place the lengthy trim piece was reinstalle


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