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Car Electronics and Lights

Gauges, speakers, signal lights, headlamps and cabin lamps are all parts of a car’s electronic equipment. The majority of cars use a 12-volt power source, and include a fuse for protection from power surge.

2,811 Questions

Where is the brake light switch located on a 2002 Ford Escort?

It is located on a bracket about 8 or 9 inches above the pedal pad for the brakes...should have an electrical connector plugged into the back end of it. Pending on cruise control the assembly could be plastic or threaded metal as the switch body.

Stu

Louisville KY

How do you replace a turn signal tail light bulb on a 1989 Chevy Celebrity?

In order to change any of the tail light bulbs in a Chevy Celebrity it is necessary to remove the light fixture:

1. Inside the trunk next to the quarter panel there are three nuts. Remove the center nut on the side you want to remove. It should line up with the center of the light fixture.

2. Pull the fixture out until the stud clears the body.

3. Pull gently outward to pull a tab out of the backup light fixture.

4. Unlock the appropriate socket and remove from the fixture. Change the light bulb and reassemble.

;:

How do you tell if your battery or your starter is bad?

The easiest way is to take it to a parts store where most of them will check them out free. It also helps if we know what kind of car you have. GoodluckJoe

turn your head lights on and try to start it if the headlights go out its more than likely your battery if they stay bright or barely dim its your starter

try the lights, do they turn on? if yes, then it probably isn't the battery. if its the starter motor, you should hear a loud clicking sound from the engine when you turn the key in the ignition. if this is the problem, turn the car off, open the door, stand on the sill at the side of the car while holding the edge of the roof and rock the car. if the car starts after this - its your starter.

If your starter was bad your car would not even crank. If its your battery the starter will click repeatedly.

Where is the location of turn signal flasher on a 2003 Chevy S10?

The 2003 Chevy S 10 pickup truck turn signal flasher relay switch can be found beneath the drivers side dashboard. The turn signal flasher relay switch will be between the gas pedal and the brake pedal.

How do you change a front turn signal bulb in a 1990 Buick Reatta?

This is not too difficult. I have three 1990 Reattas so have done this a couple of times. Look in the Owners Manual to get the correct bulb, the dealer may or may not have it but auto supply places such as Auto Zone do, it cost about $10, it is not just a bulb, it is a small module with the bulb in it. Repalcing this bulb is almost like changing the oil. You'll have to crawl under the front bumper and remove 2 screws from the 3-inch splash guard so you can get the splash guard out of the way, you do not have to remove the entire splash guard. Then just reach up to the turn-signal bulb module and pull it out, it may take a little wiggling to get it out if it has been there for a number of years. Then put in the new module. Once you buy the replacement module and look at it, it becomes obvious what to do and which of the many lights is the turn-signal. The smaller the fingers, the easier it is to do as it is a tight fit. If you have a big hand with larger fingers, it may be more difficult. It took me 30+ minutes the first time I did it as I had to figure out what to do, but the last time ( 6 months ago) it took about 10 minutes.

How do you replace the headlight bulb in a 2005 Cadillac STS?

2004 Cadillac CTS bulb replacement: Purchase the correct replacement bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the replacement procedure. The owner's manual is the best place to start for bulb replacement. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).

What can cause a fuse to blow?

Fuse's are used to limit electrical current to a "safe" level within an electrical appliance. Since the fuse has blown it indicates that something as happened within the television which is causing it to draw an excessive amount of electrical current. The most likely cause is that a component has failed in a "shorted" state. Identifying the specific component will require some experience in electronic troubleshooting.

How do you replace Chrysler le baron 93 front turn signal bulbs?

I just changed the whole headlight assembly in my 1997 grand caravan. However, to change the parking light or turn signal indicator light, there is a round plastic plate in the front fender well in front of the tire. Pop this out and reach in and unplug the socket from the light assembly, change the bulb and install in reverse order. Good luck!

How do you change a rear turn signal bulb in a 1990 Buick Reatta?

Open the trunk lid and pull the upholstery from the rear of the trunk. You will find white and black plastic wing nuts. Remove the white ones on the side you are working on and swing the lens assembly up. If you don't like standing on your head to work on the lights, remove all of the white and black wing nuts and pull the tail light assembly to the rear. Replace the bulbs. Jack

When I try to start me car it wont start and makes a clicking sound?

sounds like your starter, some times if you get under neath the car and hit the starter a few times with a rubber mallet or a hammer. It will break free if its froze up, but if it won't turn over after doing that then your starter is toast. If the starter goes it sometimes takes out the battery too. so you might need a new one as well.

Where is the oxygen sensor located in 2005 Chev Malibu?

The oxygen sensors in a 2005 Chevy Malibu are in the exhaust system. You'll find them at the end of the down pipes and behind the catalytic converter.

4 ohms equals how many watts?

Ohms does not equal watts. You need to know what voltage is across the resistor to determine how many watts it is drawing or how many watts the resistor should be rated for.

Power is the voltage across the resistor SQUARED divided by the resistance. If this 4 ohm resistor has 12 volts across it then the watts power is (12 x 12) / 4 = 36 watts.

1 Watt equals 1 Volt times 1 Amp.

How to fix the cruise control on a 1987 olds regency 98?

there's a tensioner fairly obvious on the left side of the engine. The tensioners often lose strength on these engines. they're about 15 bucks depending on where you go. loosen the bolt on the swingarm of the tensioner and remove the belt. Re route the belt the same way. When you retighten the bolt on the tensioner and it will bring the belt back to the correct tension.

Why does battery light come on while driving occasionally. The car seems to have hiccups?

If the battery light comes it could mean your alternator is not putting out enough volts to keep the battery charged. I would take it and get the charging system tested, they usually do it for free at AUtozone. If your handy with a voltage meter and know the wires to touch you can see what your alternator is putting out. But you won't be able to put a draw on the system the way they can at AZ. I suggest you take it there before you are left sitting stranded at night in the dark. That's not a good thing. If the battery light comes it could mean your alternator is not putting out enough volts to keep the battery charged. I would take it and get the charging system tested, they usually do it for free at AUtozone. If your handy with a voltage meter and know the wires to touch you can see what your alternator is putting out. But you won't be able to put a draw on the system the way they can at AZ. I suggest you take it there before you are left sitting stranded at night in the dark. That's not a good thing. It may be a simple thing like your belt is too loose slipping in the pulleys.

Where is the input turbine speed sensor on a 1997 Kia Sephia?

a speed sensor tells the vehicle computers how fast the vehicle is going, and also possibly operates the speedometer. If it is a wheel speed sensor it tells the anti-lock brake system how fast the individual wheel is turning and activates the anti-lock brakes in case of a skid.

Can you bridge an 8 ohm speaker to 4 ohms?

Ohms is a measure of resistance. When the electricity passes into the speaker, some of it is 'resisted.' The ohms rating of the speaker is how much is resisted, and an indication of how much energy it takes to drive it - the higher the ohms rating, the more difficult it is to drive.

How to fix Dash lights Saturn SC2 98?

First you have locate the knob or the dial controls. This is what brightens the lights on your dashboard. Then you need to check the fuse that controls the dashboard lights. Most of the time the fuse needs a simple replacement.

Where is the starter relay located on a 2004 Mitsubishi Galant?

generally starters are located by the transmission so they spin the vehicles flywheel and start the vehicle. so check around the tranny in the front

the starter is under the intake on the 2.4 liter. look between your valve cover and the firewall.easiest way to change it is pull your intake,mass airflow sensor,etc

I believe u can remove the air intake box and a couple of hoses and pull the starter out that way easier, but you will still have to get under the car to get to the starter to unbolt the it

Where is the turn signal relay flasher located in a 1998 Honda Civic Coupe?

in the fuse box either in the engime compartment or on the driver side under the dash near the door there is a fuse box also.

How do you fix the dash-lights on a 2006 f250?

First, sheck if your fuse is working after that see if any of your sterio cables are touching and if they are separate them and put black tape and then pop your hood and see if the tail light fuse is working and if its no change it. that what i did and it work on mine.

I had all the lights on my dash go out and discovered it was the dimmer swith. The connection had become corroded and I was able to replace it with one from the local Pick-n-Pull for $2.99. My local parts store said it would be $102.50, not including tax, IF they could get it. Best of luck to you!

How are LED lights better for the environment?

LED Displays are the abreast medium to advertise the business locally or globally. Below are a few important advantages that Digital displays bring for small as well as medium businesses;

Customer communication

Influencing buyer psychology

Information dispersal

Low cost advertising

How do you replace the door ajar warning light switch in a 1999 Ford Expedition?

The door sensor is an integral part of the door latch mechanism. The sensor cannot be replaced independent of the latch. A sensor appears on each of the four doors, as well as the tailgate. WD40 sprayed on the sensor sometimes frees it up (you must remove the interior door panels to access -- it's part of the latch and difficult to see because it's well hidden inside the door), but just as often, WD40 won't cure it. You can also remove the 15Amp fuse in position 14 in the box located beneath the driver's side of the dash. This will disable the interior lights as well as the running board lights (good), but it also disables the power windows (bad). This will, however, solve the problem of the lights remaining on after the doors are shut and running down your battery. The only true fix is the replace the affected latches. They sell for approx. $55 on the Web, and unless you're mechanically inclined, and very patient, you should have the dealer do it for you (expensive). Malfuntioning door sensors are a very common problem on Expeditions, Explorers and Windstars.

How do you replace the brake light switch on a renault laguna?

If you are having starting problems replace the starter solenoid switch attached to the short positive battery cable. Well, it could be the starter solenoid, but if you can wiggle the gear shift while turning the key and get it to start, it is definitely the neutral safety switch...oldest electrical gremlin in the book. Climb underneath and look for the linkage between the shifter and the transaxle. Have somebody move the shift (battery negative disconnected of course) to help you identify it. The switch in most front wheel drive vehicles is mounted on the transaxle and is identifiable by at least one electrical wire and the shift linkage as well as being obviously adjustable by loosening a bolt and rotating the switch. Be careful that you don't adjust it so that it will start in any gear except neutral or park. Adjust..test..adjust..test..etc. Jolly good fun.

How the diode acts as a switch?

A diode is made up of a P-Type and an N-Type semiconductor. P-Type has "missing" electrons (in a sense); N-Type has extra electrons (in a sense). This means that if you have current going through the two semiconductors from N-type into P-type, it should be easier than normal to apply the current because there is a potential difference between the N-type and P-type because of their relative "positivity" and "negativity". ...but if you reverse the voltage, then you are going against this potential difference and hence the voltage is impeded, resulting in a 0 current (in theory). This will only happen until the reverse voltage exceeds a threshold ampage, at which point the current will shoot up (in reverse).

Where do you find a wiring diagram for a 1999 Saturn SC1?

passanger side near. open the door. it will be on the dashboard when you first open the door. a panel on the side of the dash should say fuse panle. look on the back of the panel and it should tell you which fuse is the one for the radio.