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Cruise Control

At Hot Rod Hardware, we offer a specialized selection of cruise control kits, designed for various vehicle types and configurations. Our collection includes cruise control kits for electronic speedometers, cable-driven speedometers with GM transmissions, and GM LS drive-by-wire engines, ensuring a wide range of compatibility and application.

The Dakota Digital Cruise Control kits in our inventory are engineered for precision and ease of use. Whether you have an electronic or cable-driven speedometer, these kits ensure accurate and reliable cruise control functionality, enhancing your driving experience and providing you with optimal control over your vehicle's speed.

For GM LS drive-by-wire engines, explore the Dakota Digital Cruise Control kits with direct VSS or diagnostic port connections. These kits are tailored for GM LS engines, ensuring seamless integration and efficient operation. Additionally, find the Lokar U-Cut-To-Fit Cruise Control Cable for carbureted engines, offering flexibility and reliability in cruise control kit installation.

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Adding Aftermarket Cruise Control Is Easier Than You Think

If you’re an auto enthusiast, you probably take pleasure in the response from stomping the gas pedal. But c’mon folks, we can also admit that a long highway trip is more pleasant with cruise control. Set a constant speed, lift your foot, and let the car glide down the pike.

But what if your vehicle didn’t come with cruise control? No worries. There are plenty of aftermarket kits to add cruise control to your ride. If you have some basic skills, this DIY upgrade can happen in an hour or two.

Shop now for cruise control kits

eBay Motors offers hundreds of aftermarket cruise control kits and related parts. But before you make a purchase, answer these questions:

• Is the aftermarket cruise control kit compatible with your car?
• Are your brake lights working properly?
• Are you comfortable working on your car’s electrical wiring and throttle settings?

An eBay search could turn up a usable original New Old Stock (NOS) kit from the carmaker.

If you answered yes (or you’re willing to learn), then cruise control might be coming soon to your vehicle. And if you think this is beyond your skill set, most auto shops can install a kit for you.

Watch the installation of a Rostra cruise control system in a Hyundai Accent:

Tips for Installing Aftermarket Cruise Control

Here’s a quick overview of the primary components. Kits will provide detailed instructions. First things first: safety! Before starting to work on your car’s electrical system, disconnect the battery.

Wiring harness: Most kits come with a wiring harness, complete with colored wires. Instructions will guide you to wire the hot and cold sides of your brake switch. Other wires connect to the ignition “run” contact and ground. A significant step is to splice into a Vehicle Speed Signal (VSS) wire. Most cars of the past 20 years have a VSS. If not, there are adapter kits to create a signal generator or use a pick-up coil to create a similar signal.

Kits often integrate with a drive-by-wire system.

Throttle cable: Attach the cable provided in the kit to the existing throttle plate of your car’s engine. Most kits also have sufficient adapters and linkages to fit a variety of throttles. Verify that the cable is not binding on anything under the hood. Aftermarket cruise control kits can also accommodate newer engines that drive by wire—and don’t have an old-school cable to control engine RPMs.

Actuator: The actuator is a mechanical box that controls your car’s cruising function. It is mounted in the engine compartment and has connectors for the wiring harness and throttle cable. It also has several DIP (dual inline package) switches. Moving specific DIP switches up or down allows the cruise control unit to communicate with essential vehicle functions. The settings include the number of engine cylinders, the type of speed sensor, and its output. To save the new settings, power off the actuator and then restore power.

A cruise control switch integrates with the turn signal lever.

Driver switch: Many cruise control systems offer a switch on your turn signal stalk that looks like a factory installation. Others provide buttons on a dash-mounted plate. We recommend the turn signal switch, which has a cleaner look and helps keep your eyes on the road.

Testing Required

Kits are designed for specifically vehicles and provide all the necessary gear.

After completing all the steps stipulated in the kit instructions:

• Re-connect the battery.
• Check to verify that your brake lights still function correctly.
• Start the engine, leave it in Park, and mildly depress the gas pedal.
• Make sure that it returns to a slow idle setting.

A dash-mounted controller activates cruise control.

If the brake lights and idle are working as expected, it’s time to take the car to a deserted parking lot. Next, accelerate to a moderate speed, set the cruise control, and see if the speed is maintained with your foot off the gas pedal. Finally, touch the brake pedal and verify that the cruise control disengages.

If everything is working, your car should be ready for further testing on the highway. It’s a good idea to take several short, local highway trips to verify a successful installation before heading off on a long interstate journey.

While aftermarket cruise control is available to hands-on DIYers, that’s not yet mainstream for so-called adaptive cruise control. But automated road sensing and even lane-keeping is probably not far off. For example, an aftermarket self-driving kit from Comma.ai is usually available on eBay .

About the Author

Mark C. Bach has oil in his veins and remembers feeler gauges and brake springs. He has a love for all things that move, especially old-school muscle cars. Bach writes for a variety of outlets, including Chevy Classics and FuelCurve.com, and maintains Route66pubco.com.

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• Add-On Cruise Control Systems

How Does Electronic Cruise Control Work?

Rostra is the world leader in the design and development of add-on cruise control systems for vehicles equipped with an Electronic Throttle Control - commonly referred to as "drive-by-wire." Our leadership status in the aftermarket cruise control product category is the byproduct of decades of research and development in vehicle testing and software architecture with a focus on passenger vehicles.

Add-on cruise control units for vehicles that are equipped with an Electronic Throttle Control System control the speed of the vehicle through the use of Rostra's custom E-Cruise Module , matched-fit accelerator pedal t-harnesses for a wide variety of vehicles, Onboard Diagnostic (OBD) port interface harnesses, and control switches designed to seamlessly blend into the steering column and dashboard environment.

The E-Cruise Module is the proverbial "brain" of the entire system and with the assistance of the included accelerator pedal interface harness, intercepts the communication between the pedal position sensor and the vehicle' Electronic Control Unit (ECU). Through the use of the included OBD port connector, the E-Cruise Module constantly monitors vehicle speed and loading and instructs the ECU to open or close the electronic throttle actuator to hold a set speed. Once the cruise control functionality is cancelled either by using the Off/Cancel button of the included control switch, depressing the brake pedal or depressing the clutch pedal (for manual transmissions), the E-Cruise Module returns full communication to the accelerator pedal leaving the driver completely in control of manual speed adjustments.

Electronic Cruise Control Layout

Below is a diagram that depicts a typical layout of an electronic cruise control system including the E-Cruise Module , accelerator pedal harness tie-in, OBD II port connector, control switch, and universal clutch disengagement switch (for some M/T vehicles).

Product Development

At Rostra, when we develop an electronic cruise control system, we only design platform-specific applications and only offer vehicle-specific installation kits. While this does result in a multitude of available part numbers, in order to control highway driving speed, cruise control software must issue commands to a vehicle's onboard computer that are unique to each platform via the CAN bus system. Bits of information sent over this network of computers and micro-controllers must contain specific identifying information that cannot be safely created and/or transmitted by so-called "universal" electronic cruise control systems. An extensive effort goes into the design of every Rostra cruise control and includes the following steps:

1. We begin cruise control development by recording data from the vehicle's CAN bus using special software to determine which signals need to be sent to the ECU to control speed.

2. We then need to determine which E-Cruise Module best suites a particular application based on the signal that we need to send to the ECU when cruise control is active.

3. Once a vehicle-specific software package has been created, it is then written to the E-Cruise Module inside of a Faraday cage in order to reduce incidences of outside EMI.

4. Once the loaded software package has been verified in triplicate, we then test drive the vehicle to confirm that cruising speed holds between 31 and 80 MPH with minimal fluctuation.

5. When the cruise control has been determined to be operational within a strict set of parameters, it receives its sign-off from our staff and the control switch is permanently installed.

Click image to enlarge...

Q: How long does it take to create a cruise control system for a specific application?

A: The timing of our cruise control development is generally dependent upon the availability of vehicles for testing in our local market. Normally a new cruise control system takes approximately 4 weeks to deliver after initial testing, creation of our installation instructions, software verification, and final validation on multiple trim levels of the same vehicle model.

Q: Why should I buy an official Rostra cruise control system?

A: At Rostra, the quality control built into our manufacturing processes is a great source of pride for us as a company. Our headquarters in North Carolina is an ISO 9001 certified and TS 16949 compliant manufacturing plant that submits to yearly quality control audits and implements changes based on audit findings. We add innovations to our manufacturing procedures at every chance we get in order to deliver a product on time that is free of defects. Because of this, we are so confident in our products that we offer a 3-year/36,000 mile guarantee.

Q: Are Rostra's cruise control systems developed with DIY-type customers in mind?

A: Due to the sensitive nature of low-voltage vehicle electronics, we always recommend a professional or experienced installer perform the installation of a cruise control system. Many of our installation kits include plug-and-play harnesses, but still require locating a low resistance chassis ground and true 12-volt ignition source for operation. The connections are required to be soldered for secure fitment. Connections that are not soldered can seriously damage the onboard computer.

Q: Why should I not attempt the install of a "universal" electronic cruise control system?

A: To begin with, most "universal" electronic cruise control systems are of suspect origin. Generally these come from obscure overseas suppliers with little to no regard for quality control in manufacturing, and are never actually validated for proper operation on vehicles in the domestic market. Likewise, due to variations in emission control systems and requirements from one country to another, these "universal" systems do not include the requisite software that allows them to properly "talk" to your vehicle's computer. Commands issued to the network from these systems typically flood the onboard computer with malformed data which results in what is known as a "packet collision", or a condition in which the information sent over the network confuses the original equipment computer. This can have the effect of decreasing your gas mileage - the exact opposite of what a cruise control should do - and can even causes delays in vehicle emergency systems.

Q: How should I go about selecting a cruise control manufacturing supplier?

A: The short answer - question everything. Has the company been manufacturing cruise control systems for vehicles equipped with Electronic Throttle Control systems for many, many years? Does the company design every piece of the installation kit including accelerator pedal harnesses, control modules, control switches, and software themselves? Are their items manufactured and tested on vehicles in the United States before sale, or are they purchased in bulk from overseas and distributed wantonly? Do they employ multiple hardware and software engineers to develop these systems? Is technical support provided by the individuals that actually designed the cruise control you purchased? When you call them, can they detail the ways in which the cruise control system interacts with your specific CAN bus system? Do they maintain a quality audited manufacturing plant, or are they precariously assembling these items in their home's garage?

Q: What happens if I am installing a cruise control system and cannot get it to function?

A: We are pleased to offer technical support to anyone who has purchased our products. Our Technical Services department is available Monday-Friday from 8:00 a.m. to 6:30 p.m. EST to assist. Please note that we do require callers to register for a Technician Identification Number (TIN) before being connected to a representative. Click here to register for your TIN number now! Also, please keep in mind that we have a growing library of installation videos available on our YouTube channel that show in great detail the various steps taken to install a cruise control system.

Q: Where can I find a complete listing of the cruise control system Rostra manufactures?

A: At the top of this webpage, our Vehicle Search will allow you to view the products for a specific car based on its year of manufacture, make, and model. Likewise, you can visit our Global cruise universal cruise control page, our drive-by-wire cruise control page, our custom pedal interface cruise control page, or our custom pedal bypass cruise control page. As always, a listing of our latest cruise control systems is available as a PDF download via our Quick Reference Guide .

Rostra Cruise Control Features

• Improved Operation
• Coast/Reduce Speed
• Resume/ Accel
• Tap-Up, 1 MPH per tap
• Tap-Down, 1 MPH per tap
• Controlled Resume Rate
• Closer, More Accurate Control of Set Speed
• Easier Installation
• All-electronic operation
• Discrete control module
• Custom control switch
• Removable Wiring Harness with Locking Device
• Includes clutch switch wiring
• Automatically acquiresVSS (Vehicle Speed Sensor)
• Self Diagnostic

General Installation Kit Contents (Part Number 250-9507 Pictured)

Cruise Control Installation Video (Part Number 250-9507)

For safety's sake, please remember that a universal electronic cruise control systems cannot provide the same level of safety and convenience that a custom-designed cruise control system can.

Rostra is a leading manufacturer of automotive comfort, safety, and convenience accessories including electronic cruise control systems, vehicle speed limiters, backup camera relocation kits, LED lighting, exterior vehicle camera systems, automotive lumbar supports and seat heaters, driver alert systems, and more.

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About Rostra

Rostra aftermarket cruise control kits.

When people buy cars, they may not think of cruise control being an essential feature. Even if they do want the feature, also, they may not think to check if a car, truck, or SUV has that specific feature until it’s too late. For those people, thankfully, aftermarket cruise control kits are available, and are easy to install and affordable. Whether you’re a dedicated DIYer or would rather have someone do the job professionally, you’ll be able to start enjoying cruise control in no time when you get an aftermarket kit.

Benefits of Purchasing an Aftermarket Cruise Control Kit

Whether you purchased a new car without realizing it didn’t have cruise control, a new car that you knew didn’t have it, or any other vehicle, if you find yourself wishing you had cruise control, you’re not out of luck.

Aftermarket cruise control kits allow you to choose after the initial vehicle purchase to add the feature, and are quick to install. They also offer you benefits such as:

• Potential for increased gas mileage due to steady speed
• Less driving fatigue, particularly on long drives
• More comfortable ride
• Lower risk of speeding violations, since you can set the speed and not mistakenly go over the limit

One of the most well-known names in the aftermarket cruise control market is Rostra, and for good reason.

Rostra Cruise Control Kits

With nearly 150 years of experience in manufacturing and the automotive industry, Rostra is known as an ideal partner in the industry. They are North America’s largest supplier of cruise controls and transmission products to the automotive aftermarket. They’ve spent many years designing and innovating new products to better serve the market, and as a result, are able to supply aftermarket cruise control kits for a wide range of vehicles.

Universal cruse control systems work by constantly measuring changes in engine loading and vehicle speeding in order to maintain a set speed. With a universal kit from Rostra, you can easily set the controls and avoid unintended speeding. Additionally, cruise control can lower driver fatigue, particularly on long drives, so if you’re the type of person who takes long car trips, cruise control can be a huge benefit. It’s also been shown to improve fuel efficiency, since there’s no fluctuation in speed causing the vehicle to use more gasoline to throttle. Rostra’s Global Cruise cruise control system is designed to adapt to almost all vehicles. For instance, it accommodates:

• 3, 4, 5, 6, or 8-cylinder gas and diesel engines
• Automatic and manual transmissions (diesel with manual may require a clutch switch)
• Steering wheel column or dashboard mounting (depending on switch being used)
• Most cars and trucks with a mechanical throttle body.

Features of Rostra’s Universal Aftermarket Kit

Rostra’s universal kit is easily operated, with the ability to coast as well as increase or decrease by a rate of one MPH per tap. The kit comes with a 3-year/36,000-mile warranty (whichever comes first). Additionally, the Vehicle Speed Sensor (or VSS) wire is already in harness, making installation easier. The universal kit has a modular design and is neutral safety switch (NSS) compatible, as well. The global cruise control kit was designed with safety and flexibility in mind, and when you purchase one for your vehicle, you can be sure you’re getting high quality equipment. Rostra manufactures several control switches for cruise control operation, as well, so you’ll have no trouble finding one that looks great and works efficiently.

How to Install a Rostra Universal Cruise Control Kit

When you purchase a cruise control kit from The Cruise Control Store, we’re happy to not only give you complete step-by-step instructions for how to install it, but offer support via phone as well. Our professional technicians are here to help answer any questions you may have as well as walk you through the installation process if you’re having any trouble. If you’d rather have a professional install the kit for you, we’re happy to provide you with information to find an affiliate shop in your area.

Rostra specializes in both universal and vehicle-specific aftermarket electronic cruise control systems as well as other products for vehicles. They are known for high quality design, engineering, prototyping and manufacturing, and in addition to supplying U.S. customers, they export to many other countries as well. Rostra has built relationships with many foremost companies in the automotive industry, such as:

• GM Truck and Bus Operations
• TCI (Toyota of Canada)
• Southeast Toyota
• Advanced Auto Parts

When you’re ready to add cruise control to your vehicle, you can trust Rostra’s aftermarket kits, and at The Cruise Control Store, we’re proud to offer these kits to all of our customers. Contact us today for more information—we’re happy to answer any questions you may have about Rostra or any of the other cruise control kits we offer.

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