What would cause cruise control not to work?

When the fuse of for the cruise control blows, the cruise control will stop working altogether. A vehicle’s cruise control may stop working if the vacuum actuator has stopped working or if there is damage to the vacuum hoses. The system may also fail if the cable linking the actuator to the throttle is broken.

What fuse controls the cruise control?

The cruise control fuse is normally found in the fuse panel located below the steering wheel. Remove the cover of the fuse panel and locate the fuse for the cruise control using the fuse diagram on the fuse panel. Using a fuse puller, pull the fuse off the panel.

How do I test my cruise control switch?

To test this, simply start your engine and press the “on” button on your cruise control switch. If the cruise control light illuminates on your dash or instrument cluster, the switch should be working fine. The next step will be to complete a road test to truly examine if your repair was completed correctly.

Where is the cruise control brake switch located?

The cruise control is supposed to shut off if the brake lights go on—a bad switch won’t make that happen. Luckily, this is a very easy, stress free repair. The switch is located right near the tip of your right foot near the brake pedal, so it’s easy to access.

Is it bad to use cruise control?

Setting your cruise control on the speed limit on a long road trip is a great way to help you maintain a safe speed and avoid a speeding ticket; however, if your travels include any winding roads or rolling hills, using cruise control can actually increase your odds of getting into an accident and even waste your fuel …

Why does my cruise control not come on?

The light on the dash button would come on; however, there was never any indication that the cruise control would engage. Yesterday, I decided to work on it again and got it working. The quick test I did followed other posts suggesting the brake light switch is a common problem.

Can a brake light disengage cruise control?

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.

When to replace a cruise control brake release switch?

For this reason, if you suspect that your cruise control brake release switch may be having an issue, have the vehicle inspected by a professional technician, such as one from YourMechanic, to determine if your car needs a cruise control brake release switch replacement.

How does a cruise control system work in a car?

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.

Why is the cruise control not working on my car?

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.

What’s the voltage on the cruise control wire?

Ign on, cruise switch off, brown wire ought to have 12 volts. Cruise switch on. Gray wire ought to have voltage. Using test light, (with clip attached to positive battery cable), test for voltage, (actually checking for a good ground), at black/white wire.

What’s the problem with my Chevy Tahoe cruise control?

Shooting this over to the 88-98 Truck forum (due to this being the “old” body style Tahoe prior to the change in 99) for further assistance. Hey Chris, the most common problem is brake switch failure/out of adjustment. Do your brake lights work?