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Volkswagen Passat Hazard Flasher Switch

Typical Signs of a Defective Volkswagen Passat Hazard Flasher Switch

Your Volkswagen Passat hazard flasher switch is probably the least used switch in your entire lighting assembly, but this doesn't mean that it is already immune to failure. Any unusual activity like out-of-sync blinking or rapid blinking from your hazard flashers can point to a bad hazard flasher switch. Here are some common symptoms of a Volkswagen Passat hazard flasher switch that is in need of repair or replacement:

Intermittent flasher operation

A bad hazard flasher switch can cause a variety of odd displays from your Passat's hazard flashers. For instance, hazard flashers that blink extra fast or not at all are telltale signs of a defective hazard flasher switch. Sometimes, a faulty switch can also cause your hazard flashers to function perfectly at certain moments but fail to perform at other times. If left unfixed, this hazard flasher switch problem can result in the total failure of your hazard flashers, so it is best to replace either the hazard flasher relay or the entire hazard flasher switch as needed.

Burned-out bulbs

Burned-out bulbs on your hazard flashers can also indicate a problem with your car's hazard flasher switch. If you have been replacing your hazard flasher or turn signal light bulbs more often than usual, then you might want to examine your hazard flasher switch. A faulty switch can cause arcing on the sockets of your bulbs and burn out the bulbs' filaments pretty quickly. Before replacing your quickly burned-out bulbs, try doing a visual check on your hazard flasher switch first. If it has burned or sticky contacts, you should get a replacement hazard flasher switch as soon as possible.

Other troubleshooting tips

In most cases, a bad hazard flasher switch will also keep your turn signal switch from operating your turn signals. As a result, you might misdiagnose the problem as a result of a damaged turn signal switch.

Consider checking your fuses first before replacing your hazard flasher switch since the fuses usually fail more quickly than the switch. If your bulbs are good and your fuses are in perfect condition, then it's time for you to take a closer look at your hazard flasher switch.

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  • Tips to Keep Your Volkswagen Passat Hazard Flasher Switch as Good as New 27 February 2013

    Your Volkswagen Passat hazard flasher switch ensures that you can warn other drivers when your car malfunctions in the middle of the road, so don't take the failure of this component lightly. Here are some tips to guarantee a perfectly functional hazard flasher switch on your Volkswagen Passat:


    Make sure to cycle your hazard flashers every once in a while.


    Since your Passat's hazard flasher switch is used less often than the other switches in your car, it is important to cycle this switch from time to time. Cycle your hazard flasher switch for around ten minutes or about 30 times to help clean the electrical contacts inside the switch.


    Spray your hazard flasher switch with some electrical contact cleaner.


    Aside from cycling your hazard flasher switch, it is also advisable to spray the interior of your switch with some electrical contact cleaner. The combination of the pressurized air and the cleaning agent in the electrical contact cleaner can take care of any debris that might be wedged inside the switch. You might have to drill a tiny hole on your hazard flasher switch to let the nozzle of the contact cleaner in, but make sure that you don't damage any of the vital components inside the switch.


    Take your hazard flasher switch out for some thorough cleaning and lubrication.


    If your hazard flasher switch hasn't been cleaned for several years, then spraying some electrical contact cleaner on it might not be enough. In this case, remove the switch from your dash panel and lightly sand the electrical contacts with 2000-grit sand paper before manually cleaning them with some rubbing alcohol.


    Keep your hazard flasher switch's electrical contacts properly lubricated.


    To protect your electrical contacts from corrosion, don't forget to lubricate the electrical contacts by coating them with a generous amount of dielectric grease.


    When troubleshooting your hazard flashers, check your bulbs and fuses as well.


    Don't just replace your hazard flasher switch without making sure that it is actually faulty. See if your bulbs and fuses are all working fine first before you consider replacing your hazard flasher switch.