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Cruise control not working in 85 Town Car
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Post by grelch » Thu Apr 08, 2010 8:07 am
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Re: Cruise control not working in 85 Town Car
Post by TonyC » Thu Apr 08, 2010 4:19 pm
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Cruise Control does not work
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- 1996 LINCOLN TOWN CAR
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- 1989 LINCOLN TOWN CAR
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5 Reasons Why Your Cruise Control Stopped Working
- Updated: March 15, 2023
![lincoln town car cruise control not working Cruise Control Not Working](https://mechanicbase.com/wp-content/uploads/2021/08/Cruise-Control-Not-Working.jpg)
It would be difficult to find a vehicle on the road today without cruise control. This invaluable feature makes driving long distances easier but can also cause trouble when it malfunctions. Understanding the reasons your cruise control stopped working ensures that you can get the problem fixed quickly for a more enjoyable ride.
While this fault can cause issues with the cruise control system itself, there could also be an effect on the acceleration of your vehicle. That’s why you want to have it looked at as soon as you notice a problem. Let’s take a quick look at the reasons your cruise control may have stopped working.
Reasons Why Your Cruise Control Stopped Working
The most common reason a cruise control stops working is due to a blown fuse or a defective brake pedal switch . It can also be caused by issues with the throttle control system or the ABS. In older cruise control systems, it can be caused by a broken vacuum line.
Here is a more detailed list of the possible reasons your cruise control is not working:
1. Blown Fuse
![lincoln town car cruise control not working broken fuse](https://mechanicbase.com/wp-content/uploads/2019/09/broken-fuse-e1609982405627.jpg)
All electrical systems in the vehicle are controlled by fuses. Your cruise control system is attached to a fuse that can blow if there is a short circuit or fault. Without a good fuse, the cruise control system can’t work at all.
Thankfully, it’s not difficult to find and replace a blown fuse. Look in the owner’s manual to find the fuse that corresponds with the cruise control technology.
2. Defective Brake Pedal Switch
![lincoln town car cruise control not working push brake pedal](https://mechanicbase.com/wp-content/uploads/2021/02/push-brake-pedal-e1613837806166.jpg)
The brake pedal switch is responsible for turning the brake lights on and off based on the pedal position. Cruise control systems are designed to disengage whenever your brake pedal gets pressed.
Because the cruise control is wired into the brake pedal switch, any fault can cause it to stop working. When the brake pedal switch malfunctions, the car believes the brakes are engaged, causing the system to turn off automatically. Not only that, but your car’s brake light might also be stuck on, leaving confused drivers in your wake.
3. Malfunctioning Speed Sensor
![lincoln town car cruise control not working abs sensor close](https://mechanicbase.com/wp-content/uploads/2019/09/abs-sensor-close-e1615509988954.jpg)
Speed sensors are located on every wheel or differential. The purpose of these sensors is to monitor the speed of the wheels to determine if traction control is needed.
The speed sensors are also part of the cruise control system. When a sensor fails, the cruise control can stop working and the speedometer might act strange as well.
If there is an issue with a speed sensor, it will often show with an ABS warning light or a check engine light on the dashboard.
RELATED: 3 Symptoms of a Bad ABS Wheel Speed Sensor
4. Electrical Issues
![lincoln town car cruise control not working cruise control buttons](https://mechanicbase.com/wp-content/uploads/2021/08/cruise-control-buttons-e1628546525848.jpg)
The cruise control system is electronic, with many components working together to make the system operate. If the cruise control fails to work, you want to check the wiring harness and associated connectors for a fault.
You also need to ensure that the voltage source is supplying enough power to the system. Even the smallest fault can cause defects with the cruise control. In many cases, there can be an issue with the cruise control lever or buttons causing the cruise control to not engage.
If your cruise control buttons are located on the steering wheel it could also be caused by a bad clock spring, which is located behind the steering wheel.
Check the system with an OBD2 scanner to look for any trouble codes related to the cruise control.
RELATED: 5 Symptoms of a Broken Clock Spring, Location & Replacement Cost
5. Damaged Vacuum Actuator, Hoses or Cable (Older cruise control)
If you drive an older vehicle with cruise control, you might have an issue with the vacuum actuator or the cable that connects to the throttle. If there has been damage done to the vacuum hoses or the actuator, the cruise control will stop working altogether.
Additionally, the cable linking the actuator to the throttle must be in good shape. If it has been broken, the cruise control will fail.
What is Cruise Control?
Cruise control is a feature that is used when you are traveling at a consistent speed. Cruise control was first introduced for automobiles in the 1950s. However, it took many years before it became a staple in the modern vehicle.
This electrical system allows you to set a predetermined speed and take your foot off of the gas pedal. If you are on a long drive, there is less fatigue because you don’t have to try to maintain your speed. Cruise control can also benefit fuel economy because the vehicle uses less fuel when traveling steadily.
In newer cars, you might be able to find adaptive cruise control , which is a smart technology. Adaptive cruise control allows you to travel at a predetermined speed, but it also helps to maintain a safe distance from the vehicles in front of you with the help of sensors. With conventional cruise control, you need to take over when the car in front of you slows down, but that’s not the case with adaptive cruise control.
There are also vehicles nowadays with not only cruise control, but fully self-driving vehicles . We will most likely see much more of this in the future.
Cruise Control Repair Cost
The cost to repair your cruise control system depends on what caused it to fail. If you need to replace a cruise control or brake switch, you might spend between $125 and $350, including parts and labor. However, the cost to change a fuse is only a few dollars and you can perform the replacement yourself in just a matter of seconds.
On the other hand, when something major fails, such as the actuator, you could be looking at a much higher repair bill. In some vehicles, the cost to replace a cruise control actuator can cost more than $700. These costs rise if you drive a luxury vehicle or one that is difficult to get parts for.
It might not seem immediately important for you to fix the broken cruise control, but this defective system can affect other performance aspects. You could start to notice issues with acceleration or have trouble with the speedometer. To play it safe, it’s always best to have the cruise control repaired as soon as you notice a problem.
Is there a fuse for the cruise control?
Yes. If the cruise control is installed from the factory, you should check your car’s owner’s manual for the fuse location. If it’s an aftermarket cruise control, you’ll need to follow the wires to find the fuse.
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Does the brake switch affect the cruise control system?
Yes. The brake switch affects the cruise control system. The brake switch sends a signal to the cruise control system to let it know when the brakes are being applied for the engine to know when it should stop accelerating.
Will the cruise control work if the check engine light is on?
The cruise control function will be disabled when the check engine light is on in most car models, even if the cause of the check engine light is not the cruise control itself. This is mainly due to safety reasons.
Can a vacuum leak affect cruise control?
Older vehicles use vacuum to control the throttle for the cruise control, and in this case a vacuum leak can heavily affect the cruise control. However, modern cruise controls are fully electric and in most cases will not be affected by a vacuum leak if the check engine light is not illuminated.
Although many people may think that the cruise control system is unimportant and not worth spending money to repair, the problem can be caused by a faulty part that will affect the engine’s performance or durability. Therefore, it is best not to ignore the problem if your cruise control is not working without first diagnosing the car properly.
If your cruise control still isn’t working after trying all the tips in this article, it’s probably time to take it in for a professional opinion from a mechanic. It may be a more serious problem that requires replacement parts or repairs. In the meantime, drive safe and enjoy the open road!
Learn more:
- Brake Lights Not Working But Tail Lights Are? (How to Fix)
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Cruise Control Not Working? 9 Potential Causes
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Cruise control reduces stress and fatigue on long drives, but if the system isn't working properly, it can become dangerous. If your vehicle's cruise control isn't working, one of the following nine issues may be the root cause.
How Cruise Control Works
Cruise control is a system to maintain vehicle speed without direct driver input. When you want to engage cruise control, you first turn the system “On” with a button or switch. However, this alone does not start the cruise control. When you “Set” cruising speed, the cruise control module (CCM) records the current speed, then takes control of the throttle body to maintain vehicle speed. When vehicle speed increases or decreases (due to wind or hills, for example), the CCM decreases or increases throttle body opening accordingly.
By modulating engine speed, the CCM can maintain your desired cruising speed on the highway. You can increase or decrease cruise speed by tapping a button or lever, and you can cancel cruise control by hitting the “Cancel” or “Off” buttons or stepping on the brake.
Throttle body control has changed over the years. Early systems used a vacuum motor and cable, but these eventually changed over to electric motors. Most recently, with the development of drive-by-wire or electronic throttle control systems (ETCS), cruise control is built into the engine control module (ECM), which controls the throttle body electronically.
Basic cruise control systems still require the driver to pay attention to changing road and traffic conditions. Adaptive cruise control systems, sometimes called "smart" cruise, use radar or laser detection to maintain safe distances from vehicles ahead. Some adaptive cruise control systems merely reduce engine speed to maintain distance, but some of the newest adaptive cruise control systems can also engage the brakes to slow or stop the vehicle. Still, even with adaptive cruise control, it's important that drivers never take their eyes off the road.
Why Is My Cruise Control Not Working?
There are a few basic ways that cruise control can fail, depending on how the system is designed. You may not be able to do much about ETCS cruise control systems, but there are a few things you can check:
Brake Light Switch – As cruise control is automatically cancelled by depressing the brake, some vehicles may disengage cruise control if it cannot detect the brake light switch.
Brake Lights – In some systems, cruise control is disabled when a brake light is blown. Aftermarket lighting, such as LED brake light conversion, might trick the CCM into thinking a brake light is blown, as LED bulbs draw less current than incandescent bulbs.
Fuses and Relays – On some vehicles, fuses and relays are used to protect the cruise control actuator circuit . If the fuse is blown or the relay is faulty, the system won’t work.
Spiral Cable – Many vehicles mount the cruise control switch on the steering wheel. A faulty spiral cable may have an open circuit, preventing the switch from contacting the CCM.
Control Switch – If the internal contacts wear out, the cruise control switch may not be able to contact the CCM. This might disable cruise control completely, or it might not react to the cancel or accelerate functions.
Check Engine Light – On some modern vehicles, particularly those equipped with ETCS, cruise control may be disabled if there is an engine or transmission problem .
Vacuum Leak – Some older vehicles used vacuum actuators to control the throttle body during cruise control operation. If there is a leak, such as a cracked hose or tube, the system won’t work. A vacuum leak might cause the engine to idler higher or set a fuel trim code.
Vehicle Speed Sensor – There are usually multiple vehicle speed sensors (VSS) on any given vehicle. The CCM might use a VSS feed from the ECM, instrument cluster, or transmission. If that signal is lost, the CCM can’t detect vehicle speed, disabling cruise control.
Electrical Problems – As most cruise control systems use electrical or electronic components, any diagnosis should include a thorough check of source voltage, wiring harnesses, and connectors. Anything loose or broken could disable the system entirely.
If your cruise control isn’t working properly, avoid using it until it is repaired. A faulty cruise control system may not cancel on demand, which will create a safety hazard for you and those around you. After assessing your cruise control yourself, take your vehicle to a trusted mechanic for a check or a couple diagnosis and repair.
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Cruise Control problems of the 2005 Lincoln Town Car
Four problems related to cruise control have been reported for the 2005 Lincoln Town Car. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Lincoln Town Car based on all problems reported for the 2005 Town Car.
1 Cruise Control problem
After a recall notice from Ford motor company, the cruise control on my 2005 Lincoln Town Car was disconnected at the dealership, arrow Ford of abilene, texas, because of a fire hazard. Six months later I am still waiting for replacement parts to be delivered.
2 Cruise Control problem
I have experienced sudden unexpected acceleration on my 2005 Lincoln Town Car. This has happened many times. The car's computer was examined by 2 Lincoln dealers and no errors ware found. Just yesterday, I was driving and had my foot off both the accelerator pedal and the brake as I was coasting in traffic when the car suddenly accelerated and I had to press on the brake to stop this. I then took the car immediately to my Lincoln dealer who could find nothing wrong again. Do you have any information on problems with the electronic throttle control or any other part such as cruise control, etc. , that could cause this problem and has this problem been reported to you by others? I met another 2005 Lincoln Town Car owner who said he had the same problem and I also found an article on the internet by a 3rd 2005 Lincoln Town Car owner with the same exact problem who also said the his dealer told him that the car's computer showed no errors so there was nothing that they could do about the problem.
3 Cruise Control problem
The contact stated three times the vehicle accelerated while the contact's foot on the brakes. This happened with or without the cruise control activating. The vehicle was taken to the dealership, but they were unable to diagnose the cause of the problem.
4 Cruise Control problem
07/24/217 driving on hwy. 55 north. Selected cruise control on nothing increased speed to 70 mph reselected speed control(cruise control) nothing again. Repeated several times, nothing. When I got home checked fuses #25 under dash. And fuse f13 in engine compartment neither was burnt replaced with new fuses. Checked recall 3 recalls open on 2005 Town Cars. 1 on speed control disconnect deactivation sw. Could cause to short out, seems likely. 07v336000.
Other Vehicle Speed Control related problems of the 2005 Lincoln Town Car
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IMAGES
COMMENTS
The most common reasons a Lincoln Town Car cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems. 0 %. 10 % of the time it's the. Control Module. 0 %. 10 % of the time it's the. Sensor. 0 %. 80 % of the time it's the.
Cruise control not working in 85 Town Car. Power windows, power lock, power seats, radios, heaters, fans, motors, relays, air conditioning, and other accessories or wiring-related items. ... The cruise control in my 85 Town Car recently stopped working. I have replaced the fuses, and looked at the vacuum lines and electrical connections under ...
The cruise control is not working on my 1996 Lincoln Town Car. The 15amp Fuse is ok but when I press the ON button, there is no cruise light displayed on the drivers control panel. The cruise control will not function. Thank you for any information on this issue.
It can also be caused by issues with the throttle control system or the ABS. In older cruise control systems, it can be caused by a broken vacuum line. Here is a more detailed list of the possible reasons your cruise control is not working: 1. Blown Fuse. All electrical systems in the vehicle are controlled by fuses.
On average, the cost for a Lincoln Town Car Cruise control is not working Inspection is $95 with $0 for parts and $95 for labor. Prices may vary depending on your location. Cruise control can be very convenient when on a long drive or when on the highway. By setting a speed, you can relax your foot and let the vehicle maintain speed.
RepairPal will help you figure out whether it's your Control Module, Sensor, Throttle, or something else. 2006 Lincoln Town Car Cruise Control Not Working Close
Cruise Control on 2 door Sport 4x4 with SOHC: Non-working cruise control. When turned on, cruise control does not engage, no dash light indication either. look in your owner's manual for the location of the cruse control fuse it is different from other fuses usually much larger
97 lincoln town car cruise control not working. possible clock spring Read full answer. Jul 27, 2009 • 1997 Lincoln Town Car. 0 helpful. 1 answer. Cruise control on 2001 Lincoln Towncar. Try pulling the brake pedal up with your toe and setting the cruise control while you hold it up with your toe. If it engages, stop holding the brake pedal up.
Brake Lights - In some systems, cruise control is disabled when a brake light is blown. Aftermarket lighting, such as LED brake light conversion, might trick the CCM into thinking a brake light is blown, as LED bulbs draw less current than incandescent bulbs. Fuses and Relays - On some vehicles, fuses and relays are used to protect the ...
This is the first thing I check if the cruise control is not coming on.Follow me on Instagram and twitter for updates and more content @MrOffAndOn
Cars & Trucks Master 53,816 Answers. Posted on Apr 28, 2013. Check the adjustment under the clutch and brake pedals If the rubber stops are a bit dodgy then the pedal will not activate/deactivate the controls for the cruise. SOURCE: horn,airbag light,cruise control. ON CERTAIN MINIVANS, THE DRIVER'S AIR BAG MAY BECOME DISABLED DUE TO A FAILURE ...
The buttons in the steering wheel are likely bad. It's a common problem on Panthers from that era. It's a pretty easy job replacing them. also check your rear lights. IIRC a burnt bulb will not allow the cruise to function on some cars. Right at the master cylinder there is a switch that controls the cruise.
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The most common reasons a 1999 Lincoln Town Car cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems. 0 %. 10 % of the time it's the. Control Module. 0 %. 10 % of the time it's the. Sensor. 0 %. 80 % of the time it's the.
Cruise control is not working Inspection. Estimate. $99.99. Shop/Dealer Price. $117.94 - $131.39. Show example Lincoln Continental Cruise control is not working Inspection prices. Cruise control can be very convenient when on a long drive or when on the highway. By setting a speed, you can relax your foot and let the vehicle maintain speed.
#lincolncontinental#78stinkinlincoln#lincoln Cruise Control Fixed!!! How to Diagnose, Repair, and replace Cruise Control for 77-92 Lincoln Continental, Merc...
Posted on Mar 08, 2010. Cruise Control works on vacuum. I would check all vacuum lines that run to the CC and see if any are cracked and leaking before i did anything else. Anonymous. Contributor 1 Answer. Posted on Jul 03, 2010. There has been a FORD recall on some 95 LTCs for cruise control issues.
1 Cruise Control problem. Failure Date: 08/28/2007. After a recall notice from Ford motor company, the cruise control on my 2005 Lincoln Town Car was disconnected at the dealership, arrow Ford of abilene, texas, because of a fire hazard. Six months later I am still waiting for replacement parts to be delivered.