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Car Electronics and Lights

~2500 answered questions
Parent Category: Auto Parts and Repairs
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.
There might be some kind of paneling or retaining ring on the outside of it that needs to be removed first. I'd remove the battery before playing with it, because a lot of cars keep the cigarette lighter hot at all times. (current flowing) But once you can get to the lighter holder, the inside actua…
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It may not be the power motor see if the motor is grounded look for a strap going to the top of the firewall it should look like a metal strap.Make sure it is tight and not broken. If this is not the problem then it may bne the reostate in the wiper control. If so see a garage or dealer.
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%DETAILS% Answer Have you checked for a relay that might have been damaged when the fuse blew? With an overcurrent, it is possible for the relay to pick up and then become 'welded' so it will not release. If you find the relay and remove the cover, the contacter should move when you apply a lit…
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I would say it is more likely that they bumped the wire on the oil pressure sending unit of your car. I would try cleaning the contact between the sending unit and the wire before anything. if you cant do this a shop will do it for next to nothing.No way the lamp oil is rely and idiot lamp that tell…
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Sounds like the alternater is a reasonable suspect to me. Second guess would be the Ghost of Chrysler Past!  First I would start a fresh, new post. Second, what motor and model do yuou have. I would check the ground or negative cable for a loose connection first.  I was recently having s…
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You just need an accurate voltage meter.Connect the meter to the poles of the battery. Start the engine and avoid spinning her up, even not for a short moment. The reading of the meter now can be anything; a reading lower than 12.6 volt indicates a weak battery.Slowly increase the engine speed. The …
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The fan is meant to cool the radiator even after the car has turned off. Some vehicles have a heat type sensor to activate when the fan should "kick" in, others just automatically intermittantly run for a few minutes when turned on or have a set time for after it's turned off. Maybe when you did th…
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Honda Man's Since we don't know what make, model or year your car is, this is a difficult question. If it is in fact OBD II, the connector should be located under the driver's side dash.   In order to find your codes, you don't need to plug into the obd2 port. On the bottom right side of the…
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A fusable link is exactly like the old fashioned household fuse. You make a fusabling link by cutting the wire and inserting a small length of wire 2 wire sizes smaller (I believe its two, don't quote me.) So if the wire is 12 gauge, put in a small length of 14 gauge. (A 14 gauge wire is small than …
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I copied this from an earlier question:What could be wrong with brake lights, if not the switch, bulbs, or fuses?The brake lights have stopped working in my Ford Explorer. The bulbs are new, the brake switch is new, the fuses are not blown. What else is there to check?by Paul @ Bundy's Auto (becker@…
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no   You might be a fuse box under the hood that u dont notice, look through the wiring incase u see one. You might have to pull a plug or two,just remember to plug it back in! Good Luck.Absolutely a relay can be sticking always short or even always open. Depends how your car i wired one coul…
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%DETAILS% Answer You hooked the ground wire to you amp to a hot wire. The hot wire is black and it's the hot wire to the cigarette lighter. I used to be a Ford mechanic and saw this alot and charged people lots of money to fix their Stupid mistake.
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%DETAILS% Answer You would normally find it under the dash near the steering column. It is not in the fuse panel. Answer It's left of the ashtray. Turn on the hazards and listen, the turn signal and 4 way flashers are side by side. Answer You don't say what kind of vehicle you have,…
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You carefully pry it off. If it doesn't come loose easily from one pry point, move around the edge of the cover and try other places. also you have to be careful as to not try to pry the plastic covering because you can break it. use a flat head screw driver and pry it off.ANSWER: THERE is a smal…
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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 …
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There could be many things causing that problem. Here are some suggestions: Since the brake sights go through the turn signal switch, something is causing the ts switch not to receive any voltage. You just have to trace the wires and find out what happened. It could be the ts switch itself. I ha…
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It's possible that this is due to a faulty time delay switch It could be a shorted wire. Some companies use low side switching. If the wire that is being switched by the door pin gets shorted to ground you will never be able to turn off the inside light. Good luck. New Don't forget the obvious...C…
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check out this link http://autorepair.about.com/library/faqs/bl962.htm the easiest way to test your idea is to get two pieces of wire and put a fuse between them so that the fuse will take the load if there is a problem ,then check the link you suspect to be faulty first put one end of the made…
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Answer There should be a fuse diagram in the owner/service manual for this car under the capacities or diagram section. Look up "fuses" in the index. This diagram should show exactly the one in question. _also if you removed the stock stereo your lights may not work due to the fact that your lig…
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the pressure switch which is located on the dryer/accumulator senses when the refigerant level or pressure is low and shuts off the compressor to prevent catastrophic failure of the compressor due to possible lubricant loss. the electronic control panel in the dash then flashes to let you know your…
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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 it…
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First check the fuses. If all fuses are OK, electrical troubleshooting is called for.,,,, see second answer!I have had same problem, I have 2 1991 regals, it will be in your headlight switch, there are two different switches availble at the dealership, make sure you get the right one, it's a very si…
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-   I had this same problem when i went to get my car inspected (not sure how long I was without fully functioning brake lights) but the guy had a real simple fix. Apparently sometimes the grounding wires on the lamp housing become loose, try tightening those to see if that does it.   …
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It should be located on your fuse panel.  Ok, they may seem stupid, but that's what they did to the blazer. They set the flasher near the middle and under the center console behind the radio and stuff.i just had to replace mine and it sucked finding it  I just did mine 7/05. It was right…
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I experienced poor acceleration in my '95 Chevy blazer, which eventually became so severe that when accelerating, the engine nearly stalled.It turned out that my catalytic converter was disintegrating, and choking off the exhaust so severely that the backpressure was causing engine retardation. I to…
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%DETAILS% Hey Greg==Ther e can be a coulple of causes. one, the turn signal switch or the lights don't have a good ground. Check it out. GoodluckJoe   Thank you for the reply Joe.I pulled the flasher relay apart and the Mazda has two relays and a circuit board inside. Both relays appeared …
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Hey Jaime==There is something wrong with it and it won't deploy if you are in a wreck. Go to the dealer and there will be a code stored in the derm that will help him in diagnoising it. GoodluckJoe the connection is behind the front bumper and is most likely disconnectedAnswer:Like Joe said go to y…
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The fuse to remove is fuse 4 (10 Amp) from behind the glove box. Or on a 2004 model leave the fuse in place. The lights will come on with the ignition but turn off automatically after about ten minutes. Take out the glove box. You will see the fuse box. Beneath it should be a fuse chart. Look fo…
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%REPLIES% Answer ??? Your brakelights are only supposed to come on when using the brakes. Do you mean that your TAIL LIGHTS don't work? Answer Hey JoseYour TAIL lights may have a fuse blown or something could be wrong with the head light switch. You just have to check it out. GoodluckJoe…
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Aside from lack of gasoline(or diesel), lack of power may also be driven by drained battery or lack of ignition(ignition system failure). the comment below is correct. it is hard to give a specific answer for this since there are a lot that can cause lack of power and it may variy from car makes and…
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Sept 28th 2008. Hi all, I did follow the instructions : "..... It may be the MODULE.-actually the solder connections on the module. in this case you need to either replace it (about 150 $ Honda) or.............. under the steering wheel near the pedals.... remove the cover.........and look for a …
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Answer There are three plugs in the back of an Echo radio. Before I blew the fuse, this is what I had figured out. The black one, of course, is the antenna. The other two plugs are white(5 wires) and blue(8 wires). The white plug is mainly speaker wires. The blue plug has speaker wires and the po…
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i have a '99 village. replacing the speed sensor worked for me.
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Depending on the car....but....for example on a 1990 Mercury Topaz, it is located just to the left of the battery (as you are looking down at it) and tucked up against the radiator area....just look between the battery and the radiator and you should see it in there....it is a pain to find, a friend…
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I had this happen before and I fixed it myself. Get in your Pathfinder and CLOSE the door. Turn the key on one click to accessory mode so that all of the other lights on the dash are on but do not start the car. Now open your door and push the the button inside your door jamb that turns your interio…
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At the top of the headlight there will be two horizontal bars that are either chrome or black. The normal position for this bar is clipped into a bracket on the radiator support. To change the light bulb, pull the bar out of the clip toward the front of the vehicle. Sometimes prying with a screw dri…
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from what i know there are separate fuses for the left side lights and the right side lights so it might be a fuse
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it could be because one of your tail lights, brake lights, reverse lights, etc. the dash light goes off to let you know this. there is nothing wrong with the dash, probably. then again i have also seen minor electrical parts fried that cost an immense amount of mula. try the lights new answer i…
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t-bird flys it's selfCould be: kink in throttle cable. Remember there's two. One for you, and one for the cruise. Make sure there's no abrupt bends or curves.Could be: corroded throttle cable, (sticking). Replace.Could be: defective throttle cable. Replace.Or, could be: broken, loose and/or defectiv…
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GM seriously over-complicated something which should have been so simple. You can only get to the light through an access panel located in the shroud under the front bumper. Because the car sits so low to the ground, this requires you to jack the car up (always use jack stands), and then remove the …
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The only way to stop the light from flashing it to get it fixed. The dianostic system is telling you there is a problem with the air bag, which means it won't activate properly or at all.   There is a "clockspring" in the steering column that is probably broken. When the clockspring no longer…
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check for a bad fuse in the fuse panel.
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There are adjusting screws at the top and sides of the lights.The screw posts are threaded bolts with a 4mm hex shape end on it and can be adjusted with a socket wrench.The vertical screw post adjusts the light up (counter clockwise) and down (clockwise) and is located in an access hole on the top o…
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Take it to a dealer. The air bag won't work while the light is flashing.
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The front wipers on your 1995 Pontiac TranSport minivan are intermittent because there is a manufacturing defect in how a couple of connections were made (soldered) to a control board that is located in the motor assembly. I had the same problems with a 1996 TranSport and the fix took only minutes …
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it is inside the alternator. If the voltage regulator goes bad you have to change the whole alternator  In your 1986 Honda prelude the voltage regulator should be separate from the Alternator. It should be a small black square with a five wire connector if i remember right. It should be mounte…
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You are getting a feedback voltage from somewhere. Take it to a garage that has a good electrical mechanic as this purbably will be a hard one to find.
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The wipers on my 1998 Honda Civic were stuck on low so I assumed it was the switch and replaced it, but the problem continued. The local Honda dealer told me that I should replace the motor, which I did, and the problem was fixed.
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You need the test equipment and a bunch of knowhow.
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The question you ask is too involved for a proper answer. You need to go to a car parts store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library. I also know from experience that the car parts manuals (Hanes) has nothing on these problems what so ever. It dep…
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This can be used for either the back-up lights or the brake lights. There are a couple of ways to track this down. Of course, make sure your fuse and bulbs are in good condition. Disconnect the wiring to the switch. Measure the feed wire and make sure you have 12 volts. Note: Make sure the key is t…
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disconect battery & pull fuse that controls air bag & wait 15 minutes (this will disable the airbagThere are two torx screws on the back of the steering wheel, turn your wheel to access them & remove. Pull off horn/airbag,easy does it. Disconect the wires on back & place in safe plac…
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Answer I have a '98 Explorer, and the flasher is located behind and above the cover to the emissions diagnostic connector. This cover is to the left of the hood release. You can't get to the flasher via the cover. You have to look/reach underneath the bottom end of the dashboard. Maybe the '97 fl…
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HeyIt depends on what type of short . Is it a short to ground . Or is It a short ro positiveOr is it just an open wire .1 If its a short to ground and is blowing the fuse you need to know how many ampsthe short is drawling on the system first. so you do not damage the system.If you have a short dete…
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Check to see if the fuse is blown. If it is ok, I suggest you visit a mechanic.
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Your problem is a broken linkage arm, that runs from the wiper motor, to the wper arm. This is located under the cowl. Look down into the grill under the lower edge of the windshield, and you will see the arm. This is NOT something that you should try to fix, yourself. You need a shop to do this rep…
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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 …
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most likely cause is the alternator not charging correctly. normal charge voltage with all accesories on is around 13 to 14 volts.anything less than 13 volts means that your alternator isn't charging and the car runs off of the battery until it can't run anymore. As the voltage drops, there is less…
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%DETAILS% You'll probably have to remove the trunk lining to find the mounting screws or brackets. There is no reason to break any tabs if the procedure is done properly. Patience is a virtue. :) FORGET PATIENCE. WE BROKE THE TAB OFF AND FOUND THE TIP OF A SCREW, WHICH WE YANKED ON UNTIL WE GOT I…
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I have the answer to your question about troubleshooting your headlights on your vehicle. I would isolate the wire that comes from the headlight switch to the headlamp bulbs for low beam and check to see if there is a short in the wire. You can find this wire by using a test light turn on the key an…
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the brake light switch on the brake peda is by far the most likely cause ---but it would be nice to know which vehicle your talking about A Bad or Broken Brake light switch would be my first guess. Most brake light switches are mounted under the dash to the brake pedal however some cars have another…
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%REPLIES% Answer You have a short circuit. Answer make sure a bare wire is not touching metal Answer Found the answer: I had a bad daytime running light module.
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I can't say anything is wrong with having the head lights on when starting the car. However I personally don't recommend having the headlights on when starting the car because you're putting a huge load on your battery and drawing current from many related engine components that are needed when …
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Answer There's a switch that the brake pedal engages when pressed that makes the brake lights go on. this switch may be stuck.Or the peddle staying on switch
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%REPLIES% The WD40 solutionI had the same problem on my 98 Grand Marquis. A Linclon Mercury mechanic told me the problem was most likely in the hazard flasher switch on top of the steering column. He recommended I spray WD 40 around the switch and push it down *and let it pop up several times and w…
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If it is still under warranty, take it to the dealer and get it replaced. It probably isn't repairable and even if it was it would never work properly. Not to mention the fact that you would have to tear apart half your interior. You'd need to take out the headliner and find out exactly where the su…
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Check to see if your bulb power sockets/ relays for low and high are the same ...that way you can switch the plugs. ( usually the bulbs must be the same type. If you do not need any lights, pull the fuse.
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there are two fuse boxex on a 89 Toyota corolla one is under the hood of the car behind the battery under a plastic cover the other one is beside and under the trunk release by the gas and brake pettles
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I have just replaced the bulb in the reading lights of our 2002 Town and Country van. There are clear plastic covers on the reading lights that you press in to turn on and press again to turn off. The shape of the plastic cover is straight edge toward the insides and rounded to the exterior. If this…
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yep, that just might be the case, i just actually walked in from fixing the same problem, just replace the fuse and it should be fine
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%REPLIES% Answer Blown fuse, defective horn relay, defective horn, loose or broken wire. Answer check the fuse check the horn relay check the electrical connection to the horn check the horn check the horn switch
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try the fuses under the hood of the car
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Your problem could be a coroded wire. Wires along the floor under the carpet, at the underhood fuse panels may go bad as they are exposed to water and moisture. I don't think the problems you have are on the same curcuit, but it could be a single wire that's causing it. It's hard to pinpoint a speci…
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Because you have it set to the ON position. Set it to the Auto On position.   same problem as the Taurus and Sable Dome light problem. I just bought a 1998 Ford Taurus SE and right away I noticed the Dome light wasn't even coming on. The 2 map lights did work. I asked the previous owner abo…
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Visit http://www.likeabigdog.com/column/94upsignal.htm
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a lot of the times it is on the back of the fuse panel cover.. i dont know for sure on ur car tho.
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The cover for the fuse panel should have a diagram that says what each fuse is... it should be labeled tail lights.
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I was struggling with this myself.. You might have got your answer already, but in case you haven't... Turn the middle dial to zero (the fan control) and pull on it with some pilers. You should probably wrap then with a cloth as to not scratch the dial. You'll see the bulb and have to use some needl…
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The car most likely has a built in amp that does not get powered up when you install an aftermarket receiver. Try hooking the blue wire from the car to the blue wire on the receiver harness, usually marked power antena. This sometimes powers the amp. Otherwise if you purchased a wiring harness for …
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What indicator are you talking about? Turn signal, emergency flasher, check engine light, abs light, oil light, temp light, alt light, etc. We can't read your mind.
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very easily -do NOT remove or turn any screws!!!Find the rear of the headlight.You will see a place where the wires come out of the headlight container. It has a big plastic knurled knob aout the size of a silver dollar in diameter (about 1.5 to 2")Grab that plastic knob and turn it - I believe it i…
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Answer Input Output Device. Answer On a Chrysler product, IOD is for Ignition Off Draw.
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%DETAILS% Answer check www.alldata.com for tsb p1404 may be a 'false' dtc - pcm may need to be recalibrated check the dealer
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Answer There is one on the dash to the lower left of the steering-wheel behind the little box marked 'Storage Only'. Open the box and lift it up and out slightly to remove it with out breaking. There are 3 more locations under the hood.One is on the left just in front of the windshield washer fluid …
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Found this searching at google:http://www.corvetteradios.com/homebu6.jpg
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I have a 2002 Accord and the dome light, interior courtesy lights on the doors, and the map lights stopped working. They all work off one fuse and it was blown. I replaced the fuse for 93 cents and fixed the problem. .   Before you worry about your fuse, i would check your doorpin! open all…
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Any car stereo shop, or other place that sells car stereo, for that matter will be able to provide you with a wiring harness adapter that will plug right into your factory wiring, and color-code to your new CD player for around $12.To save yourself the $.....Yellow is 12v ConstantRed is 12v switched…
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Using a philipshead screwdriver, unscrew the bottom 2 screws. Then gently pull the lighting assembly out. Each bulb can be released by turning the connector, which can be tight. Then pull the bulb out of the connector and replace.
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These are most likely related - when the vehicle detects certain emissions faults it will turn off the vehicle's traction control - not a safety issue. The service light is on due to an emissions control fault - need to have vehicle scanned to find the source of the error.
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Have this done by a professional. You do not have the equipment to do this correctly.
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Sounds like one of 2 things. Check the flasher unit and all of its connections. Make sure that the connections are good. You may want to remove the flasher unit and then re-insert it. Then check for the wiring - like grounding, etc. Finally check the fuses again - there are fuses elsewhere in th…
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Replace the alternator. Utilize a Hane's Manual.
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You'll need a flathead screwdriver to pry it open from the opposite end of the switch
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make sure your light dimmer on your dash somewhere isn't all the way up because that can keep all lights on at all times on some cars.
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In order to reset the service engine soon light in any newer model car including this one, you need to be able to clear the codes stored by the OBD-II computer controlling your car. These codes are what causes the light to go on. The only way to do this is by plugging a code reader into the data por…
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THIS HAPPEND TO ME .. IF YOU OPEN THE DRIVERS SIDE DOOR IN THE JAMB . LOOK FOR THE WIRE HARNESS THAT JOINS TO THE DOOR TO THE INSIDE DOOR JAMB, YOU WILL NEED TO REMOVE THAT HARNESS I THINK IT WAS A 6 OR 8 MM BOLT.. THAT HARNESS GETS PINCHED AND CAUSES A BREAK IN THE WIRING ,, VERY COMMON. EASY TO FI…
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