Asked by 2002transam Jul 17, 2013 at 08:36 PM. If the gauges are all pegged at the highest possible reading, there could be a wiring problem or a bad instrument voltage regulator. While it does this for about 10 seconds, there is a buzzing noise and all the gauges shake. When I stop and turn the vehicle off everything will be normal until I drive it for awhile. Corrosion on the terminals of the main harness connector were the culprit. The brake is not pulled durring this time. Disconnecting the sensor is usually the first step. In this case, replace the fuse and have your wiring looked at by a professional. Replace it. One of these solutions should solve your problem. All Rights Reserved. Pinging is currently not allowed. While driving my speedometer and RPM gauge will both suddenly drop to zero, the lights behind them fade out and the emergency brake light comes on. rpm will suddenly drop down for a split AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. If none of the lights come on at all, check the fuses and wiring to the instrument cluster first. While driving, all of my gauges drop to zero - Answered by a verified Nissan Mechanic We use cookies to give you the best possible experience on our website. I disconnected the alt and ran it on battery only 2 get home. What Causes a Car's Electrical System to Suddenly Stop Working? Similar tests can be performed on all of the gauges in your instrument cluster, although the specific procedures can differ from one application to another. You can check this with an inexpensive test light or multimeter, or take your car to a mechanic if you don’t have the right tools or aren’t comfortable digging into a diagnostic like this. If the fuse that controls your speedo is blown, it probably won’t work. All other dash gauges are connected to sensors or sending units via wires, while your speedometer may utilize either a speed sensor or a physical cable. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. Even the most trustworthy cars from the most trustworthy manfacturers will develop problems now and again. Alternator starting to go out can cause that, but so can lots of other things like loose connection to the instrument cluster. again and hav... CarGurus has 4,126 nationwide Pontiac listings starting at $1,295. It was a lot more than 20 seconds. In my 2003 Hyundai Santa Fe the RPM will sometimes drop to 0 for about 1-5 seconds. While driving my speedometer and RPM gauge will both suddenly drop to zero, the lights behind them fade out and the emergency brake light comes on. When a speedometer with a physical cable doesn't work, the problem is a broken cable or bad speedometer. This ECU, or Engine Control Unit is essentially a computer that keeps an eye on every bit of the car’s operation: oil levels, temperatures, water, condition of the brakes, and speed. If this fails, or you can’t identify the cause of your malfunctioning speedometer, you should consult with a professional mechanic in your area that will be able to give your car a good check over and find out exactly what’s causing your speedo to be on the fritz. Alien abduction. If there’s a problem with the ECU, this process can be interrupted – meaning the speedo either reports speed inaccurately (not good with speed traps around), or not at all. When water comes in contact with certain connections in a car, it can cause blown fuses, each of which controls something different. If you take your car to a qualified technician, they will be able to connect to the ECU to read trouble codes and other data. If you want, I can show you how to make a bomb out of a roll of toilet paper and a stick of dynamite... Had a 2001 Dodge Ram with a similar problem. Your browser will redirect to your requested content shortly. - Lt.Col. Manually turning the end of the cable that inserts into the transmission with your fingers should cause the speedometer to move. When one gauge stops working, the problem may be in the gauge itself or a bad sensor, while all the gauges cutting out at the same time often indicates a blown fuse or a defective instrument cluster. The fix was two fold, went from a 3 wire to one wire and put a heavy duty ground cable on alt. AR15.COM is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all types. Get the Latest Tech News Delivered Every Day. We Checked... https://www.2carpros.com/questions/2003-ford-f-150-4-2l-v-6-manual-trans-pickupmy-truck-died-while-backing-out-park. If it does turn, then the speedometer is bad. If all else fails, and you are in need of an auto repair shop, use TalkLocal to find one local to you. The reverse is also true, so if both your speedometer and cruise control are malfunctioning, you can suspect a bad speed sensor or faulty wiring. The first step in diagnosing this type of issue is to identify the fuse associated with the instrument cluster or gauges. While driving, a variety of the warning lights come on as well, the RPM, speedometer, temperature and gas level all drop to zero. If you are able to locate the ground, either visually or with the help of a wiring diagram, you’ll want to make sure that it is secured tightly and free of rust or corrosion. In some cases, you may find that the problem was caused by a loose connection. Content will be removed if CarGurus becomes aware that it violates our policies. Most modern cars and trucks use speed sensors instead of cables, and the transition started in the 1990s. Please refer to CarGurus Terms of Use. And perhaps the most frustrating types of car issues are those that have no clear cause. Her expertise includes social media, web development, and graphic design. At a bare minimum, you will probably have to remove some trim pieces and unscrew the cluster to pull it free. If the fuse is good, the next thing you or your mechanic will want to do is to check for power at the individual gauges. To fix the ECU, it must be reprogrammed by a professional mechanic. If the gauges all read low or erratic, there may be an issue with the voltage regulator that feeds the instrument cluster. The problem with cars is that they’re notoriously unreliable. The difficulty level is usually on par with installing a new car radio, so if you're comfortable with that job, you can probably handle this one. So, You Want to Grow Your Business: 3 Things to Do That Your. If the instrument cluster has power, then check for ground. insufficient ground of your 1/0 battery cable~. While driving, all of my gauges drop to zero - Answered by a verified Nissan Mechanic. He also ghostwrites articles for numerous major trade publications. If you connect the sending unit wire to ground, the gauge should switch to read hot. Look at me, look at me, I'm the captain now. [])), +((!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![])+(+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]))/+((!+[]+(!![])+!![]+[])+(!+[]+(!![])+!![]+!![]+!![]+!![])+(+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!! If one or more warning lights fail to illuminate when you first turn the key on, it usually indicates a blown bulb. Why Your Car Won't Start Even Though the Lights Work, How to Fix a Car Radio That Won't Turn Off, What to Do When Your Car Radio Suddenly Stops Working, How to Fix It When Your Car Heater Isn't Working. While all gauges can be either analog or digital, speedometers are unique in that they can have either mechanical or electrical inputs. When I Installed It, The Truck Wouldn't... On Our Panel The Light Goes Off Every Couple Of Seconds And It Says The Door Is Ajar And All Of The Doors Are Closed Properly. For instance, if you have an electronic instrument cluster that doesn’t have separate gauges that receive independent inputs from individual sending units, a total failure of all the gauges often requires the replacement of the entire cluster. Instrument cluster had a bad wiring harness. A LOT more. In vehicles that have speed sensors, the easiest way to determine whether the sensor or gauge is bad requires the presence of a cruise control system. If one or more of the lights fail to illuminate, it usually just means that the bulbs are burned out. One good tip is to choose the right vehicle financing option when you buy future vehicles, to ensure you’re covered in the case of a broken speed sensor. If your speedometer has been dropping to zero, it’s possible that your wiring has been damaged by water. It happens for a few seconds then comes back to life to it's own. © 2020 CarGurus, Inc., All Rights Reserved. A bad ground connection can cause total failure or erratic readings. While it does this for about 10 seconds, there is a buzzing noise and all the gauges shake. What If It’s Dashboard Warning Lights That Don’t Work? Got a flat tire? They return to normal. If a warning light comes on and stays on when the engine is running, that usually indicates a problem with that specific system. Car not starting? So let’s take a look at the possible reasons that your car’s speedometer is dropping to zero and staying there. The fix for that problem is to simply replace the speedometer cable, which involves unbolting it from the transmission, disconnecting it from the instrument cluster, and then sliding it through the firewall. Been fine ever since. The fuse should have power on both sides when the ignition key is turned to the on position. LOVE the T/A!! This has only happened twice so far (within a 4 day period), but … They jump back on/up but all the indicator (idiot) lights go on. When only one gauge or light stops working, the problem is either a bad sensor or a bad gauge. The engine does not die and it soon corrects itself after like two seconds. When the needles drop to zero, it also interupts the blower motor for the AC.Occurs every 10-15 seconds. While this happens, the car drives great and there … What can be causing this? But not everyone knows how to deal with the problems that come with it, particularly not electrical problems. While this happens, the car drives great and there is no "check engine" light and it's as nothing happened. But a problem where your speedometer drops to zero randomly can be very hard to pin down. Persona Building: It’s Elementary, My Dear Watson! The Escape is new and the local Ford service MGR says he has not heard of that. On most vehicles, the speed sensor is located near the front axle, and its job is to judge the speed at which the wheels are turning. AR15.COM is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all types. The fuse box in most cars is usually behind the glove box or under the hood somewhere.

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