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2003 - 2024 GMC Savana 2500
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We know our products
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Complete CURT Class 5 2" trailer hitch and 5-flat wiring kit (with 4-way to 5-way adapter for surge brakes) engineered for the 2003 - 2024 GMC Savana 2500. Vehicle-specific fit, plug-and-play installation, all hardware and instructions included.
This custom kit fits the following vehicles:
All Hardware and Installation Instructions Included!
When we came to the limits of towing capacity, we wanted to know what else was out there. What could we discover off the beaten path? So, we kept going. CURT class 5 Xtra Duty hitches begin a class of their own, beyond class 4 and beyond anything the standards dictate. They are designed for the hard road where only full-size pickup trucks, vans and SUVs dare to tread. They are capable of pulling almost any heavy-duty trailer, including toy haulers, dump trailers, logging trailers, small yacht trailers and more (NOTE: Never exceed the lowest weight capacity of any towing component). This particular Xtra Duty class 5 trailer hitch offers a gross trailer weight capacity of 16,000 lbs. and an extra-high tongue weight capacity of 2,400 lbs. It features a 2" x 2" receiver tube opening to accept a ball mount or hitch-mounted accessory, such as a cargo carrier or winch mount. It is designed to be a custom-fit trailer hitch for certain years of the Chevy Express 1500, 2500 or 3500 and GMC Savana 1500, 2500 or 3500 (to verify compatibility with your vehicle, see application info). For a little extra towing power and stability, this class 5 hitch can also be used in combination with a weight distributing hitch. It is rated for 17,000 lbs. WD and 2,400 lbs. WDTW. In our drive to create a more powerful hitch, CURT has not neglected the finer details. Our class 5 trailer hitches are welded with precision and go through multiple stages of cleaning to create a smooth surface that is ready to accept our co-cured finish. To protect them from corrosion, chipping and UV damage, these hitches are immersed in a liquid A-coat and then finished in a high-quality black carbide powder coat. They come with grade-8 mounting hardware for solid installation.
If your vehicle is not equipped with wiring for towing a trailer, CURT custom wiring is the ideal solution. A custom wiring harness -- also called a T-connector -- is a simple, plug-and-play electrical device that plugs into your automotive electric system and provides a standard, universal trailer wiring connection. This is done using two or more vehicle-specific, OEM-compatible connectors to plug into the taillight assembly, eliminating the need for cutting, splicing and soldering during installation. Custom wiring harnesses are made vehicle-specific, and while they are not available for all vehicles, they do offer one of the fastest, easiest and most secure ways to wire a vehicle for towing. This particular plug-in harness provides a 4-way flat connector socket and is designed to be a custom wiring harness to fit certain years of the Chevy Express and GMC Savana 1500, 2500, 3500 and 4500 (to verify your vehicle compatibility, see application info). It comes with all necessary wiring components to establish a reliable trailer wiring connection, as well as a dust cover to keep the connector clean when not in use. You have a picture in mind of your next destination -- maybe it's the boat landing at your favorite fishing spot, maybe it's a campsite that overlooks one of nature's masterpieces, or maybe it's the next big jobsite. However, turning that picture into a reality takes more than just daydreaming. It takes a solid connection and the right amount of power. CURT custom wiring is made with some of the most sophisticated technology in the industry and is designed to install with ease, giving you a long-lasting electrical connection for your towing hitch setup.
CURT offers a variety of high-quality trailer hitches and accessories for select vehicle models. Find the perfect fit for your towing needs at TowUniverse.
CURT, a Lippert brand, offers a complete line of towing products and is the leading manufacturer of custom-fit trailer hitches. We offer the broadest selection of custom-fit hitches, and each one is designed, welded, and coated in Wisconsin.
CURT is also a leader in flat towing products, as well as 5th wheel, gooseneck, and weight distribution hitches, ball mounts, electrical components, cargo solutions, and other towing accessories.
For everything from passenger cars and vans to full-size pickups and SUVs, CURT is 'The First Name in Towing Products®.'
Experts available to answer your questions
Call 888-634-94941 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2003 - 2024 | GMC Savana 2500 | — |
The 03 - 24 GMC Savana 2500 Curt 2" Class 5 Trailer Tow Hitch + 5-Flat Wiring Kit Tow Boat/Utility Trailer with Surge Brakes 15320 (Part #5W-CHW-1496) fits 2003-2024 GMC Savana 2500 models. The 2024 model year is the last year covered by this part number. For newer models, check for an updated version.
Yes, the 03 - 24 GMC Savana 2500 Curt 2" Class 5 Trailer Tow Hitch + 5-Flat Wiring Kit Tow Boat/Utility Trailer with Surge Brakes 15320 (Part #5W-CHW-1496) is designed to fit the 2003-2024 GMC Savana 2500.
The 03 - 24 GMC Savana 2500 Curt 2" Class 5 Trailer Tow Hitch + 5-Flat Wiring Kit Tow Boat/Utility Trailer with Surge Brakes 15320 (Part #5W-CHW-1496) fits the following vehicles: 2003-2024 GMC Savana 2500. Always verify your specific year, make, and model before ordering.
The 03 - 24 GMC Savana 2500 Curt 2" Class 5 Trailer Tow Hitch + 5-Flat Wiring Kit Tow Boat/Utility Trailer with Surge Brakes 15320 (Part #5W-CHW-1496) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
The hitch weight is 40 lbs.
Yes, the Curt 15320 is designed for Chevrolet Express and GMC Savana vehicles.
You will need a ratchet, 3/4" and 7/8" sockets, and a torque wrench.
No, drilling is not required. The hitch uses existing access holes in the frame rails.
The kit includes: two 9/16"-12 UNC Grade 8 bolts (1-1/2" long), two 9/16" serrated flange nuts, four 1/2"-13 UNC Grade 8 bolts (1-1/2" long), four 1/2" serrated flange nuts, two 9/16" square hole spacers (0.313 x 1.00 x 2.50"), four 1/2" square hole spacers (0.250 x 1.00 x 2.50"), one 9/16" fishwire, and two 1/2" fishwires.
1. Install all hardware and spacers through the frame rail access holes, using fishwires if necessary to pull hardware through. Ensure 9/16" hardware is used in the vehicle's rearmost mounting locations. 2. Raise the hitch into position and attach with hex flange nuts. 3. Torque all 1/2" hardware to 110 ft-lbs and all 9/16" hardware to 150 ft-lbs.
All 1/2" hardware must be torqued to 110 ft-lbs.
All 9/16" hardware must be torqued to 150 ft-lbs.
Professional installation typically takes 40 minutes. DIY installation for a novice typically takes 54 minutes.
Yes, fishwire may be used to help pull hardware through the holes in the frame rails. The kit includes one 9/16" fishwire and two 1/2" fishwires for this purpose.
The 9/16" hardware must be used in the vehicle's rearmost mounting locations.
The manual does not specify the towing capacity. You must not exceed your vehicle manufacturer's recommended towing capacity. Contact Curt Manufacturing technical support at 1-877-287-8634 for capacity information.
Periodically check that all fasteners are tight and that all structural components are sound.
The manual recommends periodically checking the receiver hitch to ensure that all fasteners are tight and that all structural components are sound. No specific interval is provided; consult your vehicle owner's manual or contact Curt Manufacturing technical support at 1-877-287-8634 for recommended inspection intervals.
Yes, the Curt 15320 is designed for Chevrolet Express and GMC Savana vehicles.
No drilling is required. The hitch uses existing frame rail access holes.
You need a ratchet, 3/4" and 7/8" sockets, and a torque wrench.
Torque all 1/2" hardware to 110 ft-lbs and all 9/16" hardware to 150 ft-lbs.
The hitch weight is 40 lbs.
Professional installation takes approximately 40 minutes; DIY installation for a novice takes approximately 54 minutes.
Yes, the Curt 55540 is designed for Chevrolet Express 1500, Express 2500/3500, GMC Savana 1500, and Savana 2500/3500 models. It is compatible with SUVs, mini and full-sized vans in the S category.
The Curt 55540 is a custom wiring harness that integrates with your vehicle's taillight wiring to enable trailer lighting functions. It connects between the vehicle's taillight connectors and allows you to control trailer lights through your vehicle's lighting system.
Yes, you must disconnect the negative battery terminal before beginning installation. Reconnect it only after all installation steps are complete and all trim panels have been reinstalled.
You will need a ratchet and a 10mm socket. A drill may be required if a suitable existing grounding point is not available on your vehicle frame.
You must remove the rear trim fascia and interior trim panels near the rear entry doors on both the driver and passenger sides. The harness routes behind these panels to access the taillight connectors.
Locate the vehicle's taillight wiring harness connectors near the rear entry doors. Separate the connectors from the taillight housing carefully to avoid damaging the locking tabs. Insert the custom wiring harness end with the yellow wire between the separated connectors, ensuring they are fully inserted with locking tabs in place.
Locate a suitable grounding point near the connector, such as an existing screw with nut in the vehicle frame. The area must be free of rust, dirt and paint. Secure the white ground wire using the ring terminal and provided screw. If no suitable existing point is available, drill a 3/32" pilot hole for the provided screw.
Drilling is required only if a suitable existing grounding point is not available on your vehicle frame. If needed, you will drill a 3/32" pilot hole for the provided grounding screw. Before drilling, check for hidden items behind or under any surface to avoid damage and personal injury.
Route the custom wiring harness end with the green wire to the passenger side behind the removed trim panels. Enough wire has been provided to route the wire either under the threshold plate or above the rear cargo doors. Tuck the green wire under the floor trim panel before reinstalling the rear trim panels.
Once installed, test for proper function by using a test light or connecting a properly wired trailer. All steps must be followed to ensure the wiring harness functions properly.
Do not exceed the product rating or your tow vehicle's lamp load rating, whichever is lower. Exceeding the product rating can cause loss of warranty, overheating and potential fire. Refer to your vehicle owner's manual or contact the vehicle manufacturer for your specific lamp load rating.
The provided 4-flat dust cover should be installed to help prevent corrosion of the trailer connector. Install it after reconnecting the negative battery terminal and reinstalling all removed items.
No, you must remove the rear trim fascia and interior trim panels near the rear entry doors to access the taillight wiring connectors on both sides of the vehicle. These panels must be removed to properly connect the harness.
The Curt 55540 fits Chevrolet Express 1500, Express 2500/3500, GMC Savana 1500, and Savana 2500/3500 models.
Yes, disconnect the negative battery terminal before starting installation and reconnect it after all steps are complete.
You need a ratchet, 10mm socket, and possibly a drill if no existing grounding point is available.
Drilling is only required if no suitable existing grounding point is available; you would drill a 3/32" pilot hole for the provided screw.
Do not exceed the product rating or your vehicle's lamp load rating, whichever is lower, as this can cause overheating and potential fire.
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