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How to Replace a Backup Light Switch
The backup light switch connects to your transmission and turns on when you shift into reverse. This switch lets drivers know that you are backing up.
How to Replace a Fog Light Switch on Most Cars
A fog light switch goes bad when the lights do not come or are dim or flickering. A blown fuse may also cause the fog light switch to fail.
How to Replace a Cruise Control Clutch Release Switch
The cruise control clutch release switch is faulty if the cruise control will not turn off or shuts off automatically while driving.
How to Replace an AC Clutch Cycling Switch
An AC clutch cycling switch meters low side AC pressure. This switch helps the AC system maintain proper cabin and evaporator temperatures.
How to Replace a Front Axle Engagement Switch on Most Cars
The switch that engages the front axle fails when it gets stuck, does not activate the four-wheel drive, or is difficult to engage.
How to Replace a Power Window Switch
The power window switch fails when the windows are not working properly or not at all and when windows are only working from the master switch.
How to Replace a Fuel Pump Shut Off Switch
The fuel pump shut off switch may be faulty when the Check Engine Light comes on or if the engine suddenly turns off while driving.
How to Replace a Power Steering Pressure Switch
Cars with a hydraulic power steering systems use a power steering pressure switch for hydraulic efficiency. A sign of failure is sluggish steering.
How to Replace a Power Seat Switch
The power seat switch in your car lets you adjust your seat to your preferences. If broken, especially for the driver seat, it should be replaced.
How to Replace a Traction Control Switch
A traction control switch helps you keep control of your wheels on different surfaces. Signs of failure are a Check Engine Light or a broken switch.
How to Replace a Variable Valve Timing (VVT) Switch
An engine has a variable valve timing switch that fails when there is a reduction in engine power or the Check Engine Light illuminates.
How to Replace a Transmission Oil Pressure Switch
A transmission oil pressure switch relays measurements from the pump. If the filter is clogged, this switch puts the transmission into limp mode.
How to Replace a Cruise Control Vacuum Bleed Switch
Cruise control slows when the vacuum bleed switch activates. It fails if the cruise control deactivates automatically or will not hold the speed.
How to Replace a Horn Switch
Your car horn works through the horn button. A faulty button can be hazardous and usually should be replaced by a professional.
How to Replace a Rear Window Defogger Switch
The rear window has a defogger switch that fails if the button does not light up, the rear window does not defog, or the switch does not always work.
How to Replace a Coolant Vacuum Valve Switch
A vacuum line attaches to the vacuum switch in your car as part of the engine’s heating and cooling system. A faulty switch can break your heater.
How to Replace a Combination Switch Assembly
Combination switches include the control of turn signals, windshield wipers, windshield washers, and high beams. Faulty switches can cause accidents.
How to Replace a Windshield Wiper Switch
Car windshield wiper switches keep windshield wiper blades working effectively to keep car windshields clear.
How to Replace a Turn Signal Switch
Turn signals are important for your safety and others the road. A faulty switch will be loose or stop returning once completing a turn.
How to Replace a Cruise Control Switch
The cruise control switch goes bad when the cruise control does not turn on or accelerate. You may need a new switch if the car will not coast.

Related questions

Question
Brake lights stay on cruse control don't work , traction control is off ,light on the dash is on. Replaced the brake switch. 2008 Pontiac G6
Hello - your brake light switch needs to be adjusted, even though it was replaced. With the switch "On" all the time, the cruise control won't work, now will the traction control system either. For assistance with this step, I...
Question
My window on my passenger side won't roll down and the lock button doesn't lock the doors.
Hello, thank you for writing in. Your issue is most likely a switch. The window motor would not effect the door lock functions. The only true way to know is to test the power available to the switch and see...
Question
My turn signal lever is stuck on the right signal how do I fix this?
Hi there. Usually when the lever is stuck, it means the switch itself is damaged. This will require you to replace the turn signal switch or have a professional mechanic assist you with this project.
Question
A/c blows cold on max but when you change temp, the air gets warm.
There is an issue with the thermostat for the air conditioning system. The adjustment switch to the air conditioning system may be defective and not adjusting the thermostat properly, but instead it is opening the vent to the heater core...
Question
Where is the fuel pump cut off switch?
The fuel pump cut off switch is located behind the lower passenger scuff panel under the dash by the A-pillar. If you need further assistance with fuel cut off switch, then seek out a professional, such as one from Your...
Question
Where is the power steering pressure switch located on a 2003 Nissan sentra 1.8l?
The power steering pump pressure switch is located on the pressure hose just before the connections to the rack and pinion steering system. If you need further assistance with your power steering system, then seek out a professional, such as...
Question
Intermittent failure to start.
Check the starting of the vehicle in park and in neutral. If the vehicle starts all the time in neutral, then the neutral safety switch needs replaced. If the engine does not start every time on whether the transmission is...
Question
Taillights stay on and do not shut off.
Check the wiring to the taillights and see if the switch is stuck with power on. Turn the switch on and off to see if the power after the switch is turning on and off. If the power is constant,...
Question
Brake light malfunction and ABS light has been on for months.
Check the brake light switch on the brake pedal and see if its loose on the contact pin. If the pin feels loose, then the switch needs replaced. For the ABS light to be on, there could be an issue...
Question
Brake sensor is to sensitive causing brakes to flicker while driving. 2005 Mercury Montego
Hi there - your brake light switch needs a minor adjustment. It is adjusted too "tight" or close to the brake pedal lever, or possibly has failed. Adjusting/replacing it will eliminate this flickering problem. I recommend a brake light isn't...
Question
Some mornings (the past couple of mornings) my car wouldn't start, not even turn over, 1991 Acura Integra
Hello - I believe your "no start" or "hard start" is a problem with the Neutral Safety switch (sometimes called a "range sensor". It determines that your transmission is in either Park or Neutral, and allows the car to start....
Question
i have MKZ2016 the trunk not open by RKE or interior switch or easy open switch. checked the fuses are ok
Hello, thank you for writing in. The locking actuator and the latch are two separate parts that have been connected to form a unit. If you have not already tested for power at the trunk lock actuator, you will want...
Question
HVAC controls don't work. All fuses are good and the relay works. there is still no power to HVAC unit.
Hi there. Check to see if there is power to the air conditioning controls. If there is power to the controls and there is power to the fuse and relay, then the air conditioning controls need replaced. If there is...
Question
Hazards work but turn signals don't. Replaced the circuit boards relay and bulbs. I have a 99 Grand Cherokee.
If the relay and fuses were replaced check to see if the flasher is working. If there is power to the flasher but nothing past the flasher, then the flasher needs replaced. If there is no power to the flasher...
Question
wipers don't respond to my commands. goes on highest speed and doesn't stop unless fuse is out
Hello, thank you for writing in. The issue is very likely a fault with the wiper switch. While there can be some electrical testing done to verify this, the switches are known to go bad after being used for that...
Question
Want to change from single climate control to duel control 2008 Chrysler 300.
The air conditioning system under the I/P is different between the single zone manual A/C system, and the dual zone automatic A/C system. To make this change you need to remove the I/P, replace the air conditioning system, the I/P...
Question
How do you replace the passenger power seat switch? Having a hard time taking off the Side panel that holds switch in place..
Remove the bolts that hold on the panel to the seat. Then you may have to remove the bolts that secure the seat to the floor to lift up the seat rail and gain access to the rail bolts to...
Question
Car will overheat if I don't have the fan on. When fan is off it doesn't come on to release heat from engine. So the fan is always on.
Check the wiring to the coolant temperature sensor and see if there is power to the sensor switch. If there is no power, then check the cooling fan relay and see if its clicking on. If there is no clicking...
Question
If the power window switch on the front passenger door is out and motor is fine then window should still work from the master?
Hello, thank you for writing in. The master switch is wired independently of the other switches, and it should be able to power the window without the passenger switch working. This is one of the reasons it has been designed...
Question
Can you put a Mazda ignition switch in a Honda
Hi there. Switching the ignition switch depends on the year of the vehicle. Older Honda's and Mazda's could swap out the ignition switch together, but the newer vehicles cannot as they are coded for each vehicle by VIN number. If...

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