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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
neutral safety switch
In your application, the switch is in the passenger compartment. Of course, prior to replacing it, be sure it is really faulty. There is a test protocol in the Factory Service Manual and you can request that those steps be...
Question
Dome lights and courtesy lights in back seat will not turn on.
Hi there. When multiple objects in a car will not work that are electrical, then there is a loose or broken ground wire to the circuits. Check all of the wiring in the cab to see what could be loose...
Question
2006 Terraza - well kept up with 167 miles. After starting then engine, often it is impossible to shift from Park for a while with engine running. Any common clues?
Hi there. Either the shifter interlock solenoid is not working at times causing the shifter to not move out of park or the neutral safety switch on the brake switch is not working at times causing the shifter to not...
Question
2008 GMC Acadia: passenger side window switch will make the window go down, but not back up. Now master switch on driver's side wo
The switch internals of one or both switches are faulty or there is a bad connection to the switches. To resolve this, the switches have to be removed from the door so that you can get access to the terminals....
Question
Put car in park, shut off car, still shows in drive and cannot start car 2013 Dodge Dart
Hi there - most likely, this is a failure of the range sensor switch (sometimes called the neutral safety switch). This is the switch that recognizes that you are in Park or Neutral in order to allow safe engine start....
Question
the seats won't heat up and the fuse looks good
The heated seat circuit includes wiring, terminations, the switch and possibly a relay. There is the resistive element (heater) in the seat as well. Basically, all of those components would be evaluated in any electrical diagnostic of the fault. If...
Question
Car immobilizer issue or faulty ignition switch?
If the vehicle is getting power and the light are coming on the dash, then the immobilizer has the ignition system disabled. Check the fuel cut off switch (vehicle safety switch) and see if it has been tripped. If the...
Question
Horn doesn't work when I push on the steering wheel but when locking car it does what would cause this problem?
Hi there - your symptoms describe a failure of the horn switch itself. The fact that the horn works when the security system is armed (when locking the vehicle) indicate that the horn and the wiring to it work just...
Question
Climate control module. Heater core
Faults in electronic or mechanical control components in the HVAC system have no effect on the heater core in the passenger cabin. The heater core itself is not a component that would looked at as a cause of engine overheating....
Question
Is there any risk if I bypass my clutch sensor temporarily, and doing any harm? 1995 Nissan Pathfinder
Hi there - if I understand your question correctly, you are suggesting that you bypass the clutch safety switch. This switch keeps you from starting the engine unless the clutch is fully depressed. Bypassing this switch, even temporarily, is primarily...
Question
None of the windows on my 2005 300 will go down. How do I fix this?
Check the fuses in the fuse box on the inside of the cab. Look for the fuse to be burned on the window circuit. If the fuse is good, then remove the master cluster switch from the driver door and...
Question
Fuel shutoff switch
According to the owner's manual for your vehicle, your "vehicle has a feature that may automatically unlock the doors, turn on the interior lamps, turn on the hazard warning flashers, and shut off the fuel system after the airbags inflate."...
Question
Cooling fan not coming on
The electric radiator cooling fans are powered through relays, a fuse, and a temperature switch. The fan motors themselves should be tested (the fan motors can be independently powered, on or off the car, to see if they work properly)...
Question
My headlights won't turn off
A fault in the circuit, such as a stuck closed (fused) switch or relay is causing the circuit to stay powered on even after you have commanded the circuit off through the combination switch. To isolate the faulty component, please...
Question
Brake lights are not working.
Check the turn signal switch and see if its sticking in place. A bad turn-signal switch may interrupt the brake light circuit and cause the brake lights to not function. Also a broken wire to or from the brake light...
Question
My car won't start from the ignition but It started from the starter.
The ignition wiring from the ignition switch to the starter is either loose or burned. Check the starter ignition small wire and see if there is a voltage present when the ignition switch is turned to start position. If there...
Question
windshield wipers won't shut off
If the wipers are still functioning even after you have used the switch to command them off, that means the switch supplying power is fused shut and/or the circuit is being powered when it is not supposed to be due...
Question
I need the location for the oIL pressure sensor on the wife's 2013 ford flex
The switch is threaded into the engine block toward the front of the car. You may have to remove the underbody cover to see it and get physical access with the special socket that is used to remove this style...
Question
My tail lights stay on even after car is off. The hazard lights and turning signals all work but the brake lights do not.
If the tail lights are illuminated even after you have used the on-off switch to command them off, that means the switch supplying power is fused shut and/or the circuit is being powered when it is not supposed to be...
Question
Key won't turn in the ignition switch.
Hi there. If the key can go into the ignition switch and turn then the key is the right one. If the switch is not turning all the way, then the switch is damaged and needs replaced with the key...

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