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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
How do I know if it's my blower motor resistor or the resistor switch that's not working?
The referenced parts are tested with an ohmmeter. The resistor block must have a specified resistance across each element on the block. However, if any resistors are open (infinite resistance), the block is just condemned and replaced automatically. Occasionally, you...
Question
Keyless synchronization, how much is cost? Change lock from door? 2006 Pontiac Grand Prix
Hello - there will be 2 tasks here. The first is to match the door lock(s) with the ignition switch key tumbler if you wish for one key to do everything as a new car would. This can be done...
Question
My. Tail lights dash lights don't work there seams to be a short in the headlight switch when you use turn SIG switch the head ou
The column mounted multi-function switch may be defective. If so, it will have to be removed and replaced. If you do happen to attempt any work around the steering column, please note that the vehicle's air bag must be disabled,...
Question
Car interior/dome lights won't turn on.
Hi there. For the interior lights not working after replacing the battery, first check the switch to make sure that the light is on. If the light is on the door selection and will not turn on, then one of...
Question
Ignition/lock cylinder.
Hi there. After removing the steering wheel and getting to the turn signal switch cam, remove the snap ring from the steering column shaft and pull off the housing for the horn button. Then unclip the turn signal switch cam...
Question
I have a 98 Honda Accord that is stuck in park and I cannot shift from park to drive. I tried to apply the pedal brake but nothing works.
Hi there. Check the neutral safety switch on the brake pedal and see if there is any voltage coming to and out of the switch when the contacts are closed (switch operated). If there is no power out of the...
Question
My 2010 kia blower fan stopped working but was fine last week. This occurred a few times in past. Works fine then stops blowing ag
The blower switch and the plug connection on the back of the switch, as well as a faulty blower motor are likely, too. I would check the blower motor first as you can easily power the motor directly to see...
Question
Car goes forward when put in reverse backup lights do not come on
Hi there. The most common cause of this type of problem is a transmission sensor, or linkage malfunction or a pressure imbalance in the transmission. With these issues, the car is unsafe to drive until this is resolved. You should...
Question
Why won't my truck start?
Hi there. Check the battery cables and see if they are tight and clean. If the battery cables are tight and clean, then check the ground wire to the fuse box and see if its loose or corroded. If the...
Question
High beam headlight not working properly.
Hi there. The multifunction switch is not working and needs replaced. Check the fuses are good, but if the high beams works on the temporally side of the switch, then the fuse to the headlights is working. The switch has...
Question
How to remove the front control module on a 2013 MKS
Hi there. The front control module is held in with a console cover that is snapped in place. Very careful, remove the center console with a small pick or screwdriver. The cover will pop out of the dash. Then the...
Question
How to remove the climate control switch assembly?
Hi there. The switch cluster is located within the dash in a combination with the radio. The surrounding plastic case that holds the switch in place is held in by plastic tabs. Gently pop out the plastic tabs from the...
Question
What issues would I have if my oil pressure switch is bad
Oil pressure switches can develop external leaks (that is, they can leak oil onto the engine) and/or the switch can fail internally such that the switch either fails to warn of low oil pressure or the switch goes off prematurely...
Question
Won't start and has spark, 49 psi in fuel pressure, and it ran when I parked the car. Why won't it start?
Hi there. Check the starter and see if is clicking when you turn the key. If the starter is clicking, then either the starter relay or the starter solenoid is not working. If there is no click and the starter...
Question
Key fob wont engage in ignition
If you are referring to the actual "key" portion of the key FOB assembly and not the security component, if the key cannot be inserted, the ignition key cylinder is damaged. Of course, be sure that the key itself is...
Question
after accident in passenger rear door car won't start
Hi there. In the event that there is a car crash, the inertia switch will activate and cut the fuel system off to keep the fuel system from pumping fuel to prevent any fires. Check the switch, either under the...
Question
Air not flowing out of front vents.
If the blower motor is not turning, the cause is identified during a failed heater diagnostic. Blower motors failures are due to faults in the wiring, fuse, relay, control switch, resistor block, if so equipped, and of course the blower...
Question
What does it mean if my reverse lights are not working?
Reverse lights are an important safety feature that alert pedestrians, and other drivers, that your vehicle is about to move or is moving. If there is power at the reverse light bulb terminals when the vehicle ignition switch is on,...
Question
How do I remove the gear shifter to replace the neutral safety switch
Hello. In order to remove the shifter you will have to remove the vehicle's shift knob and disassemble the vehicle's interior. From the symptoms you describe, however, it would appear that your vehicle may be experiencing a different issue, perhaps...
Question
What may cause the starter to engage when shifting the shifter?
Hi there. Check the neutral safety switch and the shifter circuitry. It is possible to have a short in the wiring causing the starter to engage while shifting gears. Look for any wires that may be shorting out with the...

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