For 2003-2006 GMC Sierra 3500 Tow Package Camp n' Field Trailer Hitch + Brake Controller Curt Assure 51160 Proportional Up To 4 Axles + 7 Way Trailer Wiring Plug & 2-5/16" ball 4 inch drop Fits 8' bed factory replacement hitch Curt 15312 2 inch T

This Trailer Tow Hitch + Brake Controller + 7-Way Wiring + 2-5/16" Ball + 4" Drop + Bracket Fits The Following Vehicles:

2003 - 2006 GMC Sierra 3500 All Models

This Trailer Tow Hitch + Brake Controller + 7-Way Wiring + 2-5/16" Ball + 4" Drop + Bracket Includes the Following Parts:

• Xtra Duty Class 5 Hitch, 2" (Easy Bolt-On, No Drilling)
• Trailer Brake Controller Harness
• Dual-Output 7 & 4-Way Connector (Plugs into USCAR)
• Forged Ball Mount 2" Shank, 17000 lbs. 4" Drop 8-1/2" Long and 2-5/16" Trailer Ball (1-1/4" x 2-3/4" Shank 20,000 lbs., Chrome
• Assure Proportional Trailer Brake Controller with Dynamic Screen
• Installation instructions, schematics, diagrams, and hardware (if required).

List of Fitment Years:

2003, 2004, 2005, 2006

CURT 15312 Xtra Duty Class 5 Trailer Hitch, 2-In Receiver

Manufactured by: Curt

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 long-bed Chevy Silverado 2500, 2500 HD, 2500 HD Classic, 3500, 3500 HD or 3500 Classic and long-bed GMC Sierra 2500, 2500 HD, 2500 HD Classic, 3500, 3500 HD or 3500 Classic (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..

Features:

• Rated to 16,000 lbs. gross trailer weight and 2,400 lbs. tongue weight
• Compatible with weight distribution hitch (17,000 lbs. WD / 2,400 lbs. WDTW)
• Engineered with a vehicle-specific design for a custom fit
• Tested for safety in accordance with SAE J684
• Precisely welded for superior strength and fit
• Constructed with a large, powerful main body and OEM style
• Protected by a highly durable carbide powder coat finish
• Co-cured in a rust-resistant liquid A-coat, inside and out
• Features wide safety chain openings for heavy-duty hooks
• Equipped with an open-back receiver for easy cleaning
• Limited lifetime warranty (one-year finish, one-year parts)
• Made in USA (may include imported hardware)

CURT 51352 Quick Plug Electric Trailer Brake Controller Wiring Harness

Manufactured by: Curt

A CURT Quick Plug brake controller wiring adapter is one of the fastest and easiest ways to plug your brake controller into your vehicle It requires no cutting or splicing! Just insert the vehicle-specific plug end into the OEM vehicle’s factory brake controller socket The other end plugs into your CURT trailer brake controller.

Quick Plug harnesses are available for a variety of vehicles and are unique for each vehicle application to provide the easiest possible installation This particular brake controller harness fits certain years of the Cadillac Escalade, Escalade ESV, Escalade EXT, Hummer H2, Chevrolet Silverado and GMC Sierra 1500, 1500HD, 1500 Classic, 1500HD Classic, 2500, 2500HD, 3500, 3500 Classic, Avalanche 1500, 2500, Suburban 1500, 2500, Tahoe, Yukon, Yukon XL 1500 and 2500 (see application info to verify fitment) CURT Quick Plug harnesses are compatible with most CURT brake controls and can be used as a replacement or for a new control unit installation.

They're also great for towing all types of trailers with electric brakes For versatile mounting of your trailer brake controller this Quick Plug wire harness measures two feet long It also features a slit loom sleeve to keep the wires protected against crushing and abrasions.

CURT Quick Plug wire plug-in adapters are made with 12-gauge wires for a reliable connection and braking, and come with zip ties to keep the harness contained and out of sight..

Features:

• Allows a CURT trailer brake controller to be plugged into OEM socket
• Quick plug harness installs with plug-and-play convenience
• Wire colors match standard brake controller harnesses
• Includes 24" of 12 gauge wire for flexible installation
• Slit-loom sleeve keeps wires contained and protected

CURT 55774 Dual-Output Vehicle-Side 7-Pin, 4-Pin Connectors, Factory Tow Package and USCAR Socket Required

Manufactured by: Curt

A CURT custom wiring connector (sometimes called a T-connector) is a simple, plug-and-play electrical device that eliminates the need for cutting, splicing and soldering when installing vehicle-to-trailer wiring Most vehicles do not come ready to tow Unless your vehicle has a towing package, it is probably not equipped with a trailer wiring connector.

This is where CURT's custom wiring connectors come into play A custom wiring connector uses a single original equipment plug to plug into a special socket provided by your vehicle Though this option is not available on every vehicle, some automotive manufacturers design their vehicles to be easily equipped for towing by supplying a socket, integrated into the vehicle's electrical system, to readily accept a custom wiring connector.

With a CURT custom wiring connector, there is no need to tap into the taillight assembly because a special socket is already provided This special custom wiring connector actually provides two connector sockets for a multipurpose option It plugs into an OEM connector and offers a 4-way flat and 7-way RV blade connector.

It comes with a mounting bracket for easy installation and is designed to be a custom wiring option for a variety of vehicles (see application info to verify fitment) CURT custom wiring connectors are designed to be long-lasting and simple to install They come with dust covers to keep your connector clean when not in use..

Features:

• Dual-Output 7 & 4-Way Connector (Plugs into USCAR)
• Plugs into USCAR socket to provide 4-way and 7-way trailer wiring connectors
• Fits USCAR-equipped vehicles with factory tow plugs only
• Simple plug-and-play design eliminates the need for cutting or splicing
• 4-way flat output connects tail lights, brake lights and turn signals
• 7-way RV blade socket adds reverse lights, electric brakes and auxiliary power
• Dust covers included to keep connectors clean when not in use
• Slit loom keeps wires contained and well protected
• Metal bracket securely mounts wiring to the vehicle or trailer hitch
• Backed by a limited one-year warranty

CURT 45341-21500-40008 Forged Trailer Hitch Ball Mount and 2-5/16" Ball, Fits 2-Inch Receiver, 17,000 lbs, 1-1/4-Inch Hole, 4-Inch Drop, 3-Inch Rise CURT 40008 Chrome Trailer Hitch Ball, 20,000 lbs, 2-5/16-Inch Diameter, 1-1/4 x 2-3/4-Inch Shank

Manufactured by: Curt

Pushing the limits of standard towing, CURT forged ball mounts are a powerhouse among receiver-style ball mounts With solid, one-piece construction, each forged ball mount is designed to surpass other 2" options to accommodate the added stress of heavy-duty towing They are able to tow up to 17,000 lbs.

of gross trailer weight and up to 2,550 lbs of tongue weight, giving them more power to handle especially heavy loads CURT forged ball mounts also come with a thick skin.

We coat each ball mount in a black carbide powder coat finish to provide superior rust, scratch, and UV protection A forged ball mount is an excellent choice for hauling all kinds of heavy trailers Whatever type of load you are towing -- livestock, industrial equipment, construction materials -- these class 5 ball mounts help you complete the job.

Use a forged ball mount to tow large utility trailers, livestock and cattle trailers, toy haulers, RVs, and large boat trailers Note: Never exceed the lowest weight capacity of any towing component; i.e., the vehicle, hitch, trailer, etc CURT forged ball mounts are engineered to be a perfect counterpart to the CURT class 5 Xtra-Duty trailer hitch, making them the ball mount of choice for full-size pickup trucks and SUVs.

The CURT 2-5/16" trailer ball does not mess around Simply put, it is a solid piece of towing equipment that makes all others look like they're just spinning their wheels CURT 2-5/16" trailer balls are made with expert engineering to be packed with strength and durable enough to withstand the harsh wear of heavy-duty towing.

Anything your class 5 trailer hitch and class 5 ball mount can handle, CURT has a 2-5/16" trailer ball to match These tow balls are perfect for towing all types of heavy receiver-style trailers, including dump trailers, toy haulers, farm trailers, chopper boxes, dual-axle utility trailers, deluxe RVs, small yachts, and more Note: Never exceed the lowest weight capacity of any towing component; i.e., the vehicle, hitch, trailer, etc.

This 2-5/16" trailer ball features a ball capacity of 20,000 lbs It features a 1-1/4" shank diameter, a 2-3/4" shank length, 0" of rise, and a nickel-chrome finish to protect against the elements To give you the power you need to tow with confidence, CURT 2-5/16" trailer hitch balls are thoroughly tested for safety and meet U.S.

VESC specifications When you mount a ball mount on your trailer hitch, you expect it to stay put Whatever type of load you are hauling, having towing equipment that can work as hard as you do is a must.

For all types of heavy-duty towing, CURT 5/8" hitch pins and clips pack a little extra punch We make our 5/8" hitch pins out of solid steel and coat them in one of four finish options All of these finishes offer excellent resistance to rust and corrosion for long-lasting, smooth operation.

CURT hitch pins are also constructed with a 105-degree bend, creating a useful handle for a better grip and allowing the pin to stay securely engaged in the trailer hitch and ball mount This particular 5/8" hitch pin features a zinc finish and comes with a standard retainer hole to accept the included clip It provides reliable installation for any ball mount or hitch-mounted accessory with a 2" shank, making it the perfect fit for class 3, 4, and 5 trailer hitches..

Features:

• Fits trailer hitches with a 2" x 2" receiver tube opening
• Constructed from solid, forged steel for superior strength
• Equipped with a 1-1/4" hole to accept a trailer ball shank
• 3" rise or 4" drop for precise trailer leveling
• Protected by a highly durable carbide powder coat finish
• Constructed from high-strength, hot-forged steel
• Heat-treated for optimum wear resistance
• Protected by a durable chrome-plated finish
• Zinc-plated hex nut and helical lock washer for secure mounting
• Features fine threads for superior holding strength
• Tested for safety to meet U.S. VESC V-5 specifications
• Limited lifetime warranty (one-year finish, one-year parts)

CURT 51160 Assure Electric Trailer Brake Controller with Dynamic Screen and Full Text Readout, Proportional

Manufactured by: Curt

The CURT Assure brake control comes with a pressure-sensitive manual override button, a 1-1/2" wide OLED display and a triple-axis motion-sensing accelerometer, all to empower your adventure and provide smooth, responsive stops every time The triple-axis accelerometer lays the foundation for this advanced electric brake controller, detecting the inertia of the vehicle and trailer on any grade This means that whether you are going up or down a hill, the Assure is able to produce the exact amount of brake power needed, compensating for the angle and motion of the vehicle.

The accelerometer also responsively adjusts this braking power as the vehicle slows down, putting the least amount of stress possible on your vehicle and trailer The Assure trailer brake controller also features a high-quality OLED screen, displaying brake activity and providing an interface for the driver to control and monitor the trailer brakes The display offers a clear picture with its 128 x 64 dot matrix screen, and the display can be tilted up for a clear visibility, whether the brake control is mounted above or below the dash.

The manual override of the Assure allows brake pressure to be applied any time and in any amount This can be used to help slow the vehicle down or correct trailer sway The override button is pressure sensitive, giving you complete control over the trailer brake power.

The CURT Assure can be used with two to eight trailer brakes, and it is compatible with ABS, cruise control, low-voltage systems and PWM systems It has built-in reverse-polarity and short-circuit protectors, as well as low voltage and trailer disconnect indicators Like all CURT brake controls, the Assure trailer brake controller installs using one of our vehicle-specific quick plug harnesses.

It also comes with mounting hardware for a complete installation and is backed by a limited lifetime warranty..

Features:

• Pressure-sensitive manual override button for precise braking power
• Large, high-quality 1-1/2" OLED screen displays full text readout
• Sleek, low-profile design with tactile buttons
• Triple-axis, motion-sensing accelerometer for highly responsive, smooth stops
• Third axis provides dynamic power adjustments when going up or down a hill
• Display can be tilted for different mounting options, above or below the dash
• Diagnostic alerts notify of potential problems like low voltage or disconnect
• Automatic leveling and calibration eliminate setup requirements
• Mounts at various angles, above or below the dash, to increase usability
• Nine levels of sensitivity adjustment for varying loads or driving conditions
• Auto sleep mode prevents battery drain
• Plug-and-play install with vehicle-specific quick plug harness (sold separately)
• Operates 2-8 trailer brakes at a time (1-4 axles)
• Built-in reverse-polarity and short-circuit protection
• Compatible with low-voltage systems, PWM systems, ABS and cruise control