Jeremy Laukkonen is automotive and tech writer because that numerous major trade publications and also the creator of a popular blog and video game startup. A fan of EVs because the early on 2000s, he remains up-to-date ~ above the myriad complicated systems that power battery electrical vehicles.

You are watching: Ford focus cigarette lighter not working

Christine Baker is a marketing consultant with experience working for a selection of clients. She expertise contains social media, web development, and also graphic design.

Allcigarette lighter sockets are likewise 12v sockets,which means that you shouldbe maybe to plugin acigarette lighter inverter, cabinet charger, or any type of other 12v DC accessory into any kind of cigarette lighter socket, in any vehicle, and also have it work simply fine.

When a tobacco lighter socket falls short or seems to malfunction, there are a few things that can go wrong:

An obstruction within the socket - This wake up most regularly when the tobacco lighter socket is mounted vertically right into a center console because that orientation renders it very easy for small items to autumn into the socket. Non-conductive obstructions stop chargers from making contact, when conductive objects like coins can blow the circuit.The tobacco lighter socket is puffy - This just way that there's no power gaining to the socket in ~ all. The fuse could be blown, or there can be an additional problem through the wiring.The charger itself is poor - Chargers execute go bad, so you need to dominance this out. The electronic devices inside the charger might be bad, the plug that goes right into your maker could be back, or the springs in the plug the goes into the cigarette lighter socket could be worn out.

just how to resolve a cigarette Lighter Socket the Doesn't work-related

To acquire your tobacco lighter socket functioning again, you have to check and rule out each potential issue. Some of these measures are an extremely easy and also require no special equipment, but fully completing this kind of diagnostic does require a test light or voltmeter.

Check for international objects inside the cigarette lighter socket - If you find anything within the tobacco lighter socket, choose food, small toys, or coins, carefully remove it. Do not reach right into the socket with any kind of metal object like a screwdriver or tweezers.

Check for power and also ground at the socket - This requires a test light or a voltmeter. If you have actually these tools and know exactly how to use them, examine for strength on the facility pin within the tobacco lighter socket and ground top top the inner of the barrel. If friend don't find power, inspect the fuses. If friend don't discover power or ground, examine the relations that plug right into the cigarette lighter socket.

Try plugging in a different an equipment - If girlfriend don't have actually a test light or voltmeter, find a various 12V charger or device. It's crucial to make sure that the machine actually works, so you may want to borrow something indigenous a girlfriend or family members member the they usage regularly. If friend plug it in, and also it doesn't work, there most likely isn't power to the socket.

Try plugging in the cigarette lighter - If friend still have the cigarette lighter that came with your car, plug that in and activate that by advertise in firmly. If the pops out, and the coils are red hot, there's nothing wrong v your socket. If that doesn't warmth up, her socket doesn't have actually power.

Try plugging your charger into a different socket - If your car has additional accessory sockets, examine to watch if her charger functions in them. If not, try your charger in a various vehicle. If it doesn't work-related in the various other sockets, your charger may be bad.

check for foreign Objects

In a instance where nothing you plug into a 12v accessory socket works, the an initial thing you'll want to do is check for obstructions within the socket. The easiest way to perform this is to grab a flashlight and also physically look inside the socket.


One of the most common reasons of tobacco lighter and 12v accessory socket problems is when a coin falls into the socket accidentally. This can cause the socket to brief circuit and blow the end the fuse, however it can additionally prevent accessory plugs indigenous making contact.

When non-metallic objects autumn into a cigarette lighter or 12v accessory socket, friend won't end up v a short circuit or swollen fuse. However, the international object can still avoid an accessory plug from making electrical contact. That way the circuit will still be warm when friend reach inside to remove the instruction, for this reason take care not come accidentally short it out.

inspect for strength

If over there aren’t any type of obstructions in the socket, then you can proceed in one of three ways. The most basic is to merely plug in the cigarette lighter if you have it. If the lighter heats up and pops out, climate the socket has actually power. Girlfriend can also use a test light to check for power, if you have actually one, or study the fuse panel to check out if the tobacco lighter fuse is blown.

If your 12v socket is actually an accessory socket and not a tobacco lighter socket, climate you can"t test it by using the cigarette lighter. In that case, you"ll need to use a test light or multimeter come actually examine for power.

If the fuse no blown, and also the socket has power, climate there might be an worry with either the socket or the accessory plug that you are trying come use with it. Cigarette lighter and 12v accessory sockets space designed v somewhat loosened tolerance in mind, and the slack is taken up by spring-loaded contacts, yet if call isn’t acquisition place, then her accessory won’t obtain power.

managing a Blown tobacco Lighter Fuse

In numerous cases, friend will discover that the tobacco lighter fuse is blown, which can be the an outcome of a number of different issues. If you found a coin in the socket, then the is probably the end of it. If friend didn’t, then you may have actually a brief elsewhere, or girlfriend may have actually plugged something in, choose a cigarette lighter inverter, that simply draws much more amperage than the circuit is designed to handle.

Cigarette lighter circuits are regularly fused in ~ 10 or 15A, which isn’t a totality lot in the grand system of things. Therefore if your cigarette lighter inverter isn't particularly designed to keep current demands listed below that level, plugging in any number of electronics can theoretically blow your fuse and keep the inverter native working.

The easiest means to continue from there is to replace the tobacco lighter or 12v accessory socket fuse and see what happens. If the blows immediately, you’re managing a brief somewhere in the circuit. If you plugin the tobacco lighter and also the fuse blows, then that is probably the issue. If everything is good initially, but the fuse blows once you plugin the inverter, then the inverter is more than likely the culprit.

See more: Which Is More Acidic 3-Nitrophenol Or 2-Nitrophenol, Nitrophenol

In any type of case, the natural limitations of cigarette lighter inverters median that friend may end up better off through a different inverter the is hooked either straight to the battery or come the fuse panel. For an ext information around that, friend can inspect out our short article on exactly how to calculation inverter requirements.