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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 2000 Chevrolet Silverado 1500
Hi there - I believe your brake light switch is either sticking or mis-adjusted, resulting in the brake lights remaining on after the brakes are used. Turning the ignition switch to the "Off" position removes power to that circuit, and...
Question
Clutch Position Sensor? 2011 Chevrolet Cruze
Hello - yes, in this case the symptoms match the problem code. If the clutch switch is failing to close the starter circuit, the starter will not be engaged. I would recommend a replacement of the clutch switch by a...
Question
Heater / A/C are not working properly. They are weak and the highest and lowest settings do not work at all. Any ideas what it could be?
Hi there. Check the power from the switch on each setting and to the blower. See what the voltage is at each setting. If the voltage is low or not showing, then the switch is not working and needs replaced....
Question
Car doesn't always start in Park but then will start in Neutral..the dealer says it needs new starter..
Hello - if your starter successfully cranks the engine in Neutral, but not in Park, the starter itself is likely just fine. The problem is with the "Neutral Safety Switch", sometime called a range selector switch. This is the component...
Question
Heat won't turn on with car running.
Hi there. With the Fusion vehicles, I recommend turning the defroster on high before you shut off the car to the day before. This way when you turn your car on by remote start, the defroster system will be working...
Question
Heater does not work and has a loss of power to the switches.
Hi there. If the motor works fine with power directly to it and when the switch is not working properly causing the motor to come on slower and weak, then switch cluster has failed and needs replaced. If you need...
Question
My 2003 Mitsubishi Outlander sunroof wont work
Hello there, many common faults will cause your 2003 Mitsubishi Outlander sunroof to not function. The most common failure points are the sunroof switch, wiring harness fault, sunroof track, or sunroof motor failure. If no noise is heard at all...
Question
Changed heater core climate control panel not working.
Hi there. For the lack of information on your vehicle, the best thing I can say is check the climate control switches on the dash for the heater operation. Turn the temperature switch from cold to hot and see if...
Question
Where is the AC pressure switch located?
The air conditioning system on your vehicle uses a pressure transducer (switch) that is mounted in the lines, near the condenser. The receiver/drier is actually incorporated into the condenser/power steering combination cooler. Please also take note that if you plan...
Question
My car overheated with smoke coming out, I found antifreeze all over the engine and the temperature gauge was high
This can be caused by a number of things such as low coolant levels, a faulty thermostat, or a failing coolant fan switch. As you may know, the coolant fan switch helps to maintain the proper coolant temperature by turning...
Question
My AC blower motor blows like it's on low no matter what I turn it to. Any ideas?
The blower control switch on the dashboard controls the circuit flow of the blower motor to adjust the voltage from low, to medium, to medium-high, to high. When on high, the circuit bypasses the blower resistor. The blower resistor will...
Question
My battery is being drained by the constant running of the coolant fan
This is a sign of a failing coolant fan switch. As you may know, the coolant fan switch helps to maintain the proper coolant temperature by turning on and off at specific temperature thresholds based upon inputs from the coolant...
Question
My actuator works backwards
Hello. We will need to observe several other factors in order to pinpoint what the issue is. When you say you are turning on the vents, what setting are you turning on when this happens? Is it all temperature settings...
Question
2014 Silverado 4x4 throws a reduced power over 3000 RPM but will reset if you turn the vehicle off for a few minutes?
Hi there. The code is for a limp mode when the engine is operating. This is caused by either a malfunction with the transmission or transfer case. Check the fluid to the transmission and the transfer case and make sure...
Question
Overheating
This can be caused by a number of things such as low coolant levels or a failing coolant fan switch. As you may know the coolant fan switch helps to maintain the proper coolant temperature by turning on and off...
Question
My car has started heating up, reached "cooling mode on" with temperatures of 250+, and it sounds like the fan stays on when I turn off car.
This can be caused by a number of things such as low coolant levels, a faulty thermostat, or a failing coolant fan switch. As you may know, the coolant fan switch helps to maintain the proper coolant temperature by turning...
Question
The button for my hazards won't depress
Occasionally, these types of switches can get stuck due to dirt, debris or in some cases sticky substances such as drink fluids, etc. In some cases, spraying a very small amount of electrical contact cleaner around it will cause it...
Question
What can cause intermittent cold starting fault?
This may be related to a cold start enrichment problem which is generally controlled by the coolant temperature sensor. This sensor relays the temperature of the engine coolant to the computer which then makes fuel adjustments based upon the air...
Question
The fuel pump is not getting power
If your fuel pump is not getting power on the pink wire when you cycle the key, then you will need to trace the power circuit back to the power supply for the pump. First, check fuse number 23 in...
Question
When I open my doors the interior lights don't come on.
Hello. Without knowing the make and model of your vehicle, it hard to definitively give insight on the exact component that has failed. In general, when the door is opened, the switch turns on the interior lights. If the lights...

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