Back lights do not work

I have no back lights. I tried changing the fuses three times and they keep blowing out. I noticed some wires are disconnected near the right strut and the right side frame needs welding back together.
Experienced mechanics share their insights in answering this question :
The fuses keep blowing out due to a higher than normal amperage draw on the lighting circuit. This is likely due to an electrical short. The wiring will need to be traced to identify where the short is taking place and repaired in order for the lights to work.  A trained technician could diagnose the issue with your lights. As for the frame being broken, I recommend taking your vehicle to a reputable body shop to see what is broken and if it can be fixed.

How to Identify and Fix Common car Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced mechanics :

If you have a malfunctioning tail light, it could be a matter of a blown fuse. The fuses work with your car`s electrical panel and if they`re blown, it can cause several lights to stop working. Replace the fuse and see if this helps. Another issue may be related to your wiring.
tail lights aren`t working, it is the result of a dead or wrong type of light bulb installed. If this is the case, you can simply change the bulb and they should work good as new.
There are several reasons why your tail lights aren`t working, including a bad light bulb, damaged fuse, and corroded light socket. While you could try to solve the problem yourself, it`s better to leave it to professional mechanics like RepairSmith.
Failing Sensor

If a sensor fails, it can interrupt this complex design and cause a part to stop functioning properly. If both the headlights and parking lights fail along with the tail lights but the brake lights keep working, a sensor is likely to blame.

Fuses for everything electrical, including your tail lights, are always found in the fuse box. They are usually located under the hood or in the cabin. Fortunately, you can fix this type of problem by replacing the fuse.
Your rear lights are controlled through the same switch that controls the headlights. Power is channeled through a relay to the rear lights, illuminating them when the switch is engaged.
Tail light relays are a vital part of any car on the road. Relays take out a manual aspect, or possibility for human error, in an electrical process. Tail light relays are linked to the headlight system of your car.
A brake light switch is an electrical switch that turns your brake lights on when you hit the brakes. It`s an integral part of your braking system and lets the driver behind you know that you`re slowing down. It also has a direct influence on your ABS, cruise control system, and more.
Most string lights have two tiny fuses inside the plug. Typically, a box of lights is also packaged with a replacement fuse or two. To replace a fuse, take a small set of pliers or flathead screwdriver and slide open the cover. Then gently pop out the fuse and replace it with new ones.
Blown Fuse

If your lights don`t illuminate on either side and your brake light switch is good, then the next thing to check is the brake light fuse. Locate your vehicle`s fuse box, which is usually under the hood or on the kick panel inside the passenger compartment.

On many vehicles, the tail lights and brake lights share the same bulb. One filament inside the bulb is for the tail light and the other filament is for the brake light. There are also some vehicles that have a separate bulb for each circuit.
Bad Socket. If you have a single brake light out and the bulb is good, then the next step is to check the light socket itself. Brake light problems can include a socket whose connections are dirty or corroded or one whose wiring has become worn to the point where it`s only making an intermittent connection.
Fortunately, tail light bulb replacement isn`t difficult and shouldn`t take you more than 45 minutes to an hour to complete. Be aware that newer models may be a little more complicated than older ones, as there will be more wires to disconnect.
Fortunately, tail light bulb replacement isn`t difficult and shouldn`t take you more than 45 minutes to an hour to complete. Be aware that newer models may be a little more complicated than older ones, as there will be more wires to disconnect.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

No dash lights, back right tail light is out, no parking lights. Brake lights work though as does head lights.
ANSWER : Hi there. In many cases, when you have electrical problems like you’re describing, it’s caused by multiple electrical component failure. It’s likely that a few electrical relays are not working; especially if you have systems that utilize the same components (such as your brake light and tail lights). I would recommend having a professional mobile mechanic come to your location to complete an electrical problems inspection first, so they can pinpoint what is damaged and recommend the right repairs.

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Okay so when I turn my lights on at night my brake lights do not work, when I don’t have my lights on they work fine.
ANSWER : Hi there. Based on your inquiry, it’s highly probable that you have a damaged light switch or some electrical fault inside the turn signal relay. However, it’s also possible that the brake switch above the brake pedal could also be the source of your problem. Due to the fact that multiple electrical components might be causing this issue, it’s a smart idea to first have a professional mobile mechanic complete a brake lights are not working inspection, so they can determine what’s causing all of these issues and recommend the right repairs.

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My dash board don’t work my front light work when I change my light into high beam and my back window won’t go down
ANSWER : As unfortunate as it is, your vehicle would be considered flood damaged. Diagnosing electrical problems in a flood damaged vehicle is nearly impossible. This would take many hours or even days to determine which wiring harnesses and circuits have been affected. Then nearly all of the wiring under the dash would likely require replacement as well as many sensors and switches. On a BMW vehicle, the amount of wires and switches are likely more than that of a lower end vehicle. Due to the inefficiency in cost, you would likely be able to purchase another BMW like yours for less than what it would cost to fix your car. Many insurance companies would consider this type of damage to total out the vehicle unfortuantely.

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All dashboard lights and tail lights do not work after driving through a lot of snow. Headlights work. And brake lights work.
ANSWER : Hello. We’ll be happy to help you. There are a few things that I recommend checking to discover why your lighting system is malfunctioning. The headlight dimmer switch should be checked. Along with the wiring harness above the right front tire behind the fender well cover. Also
the main fuse under the hood should be inspected because other people with your particular vehicle have had similar lighting issues if that fuse goes bad. It will be a great idea to check the rest of the fuses in that area too while checking the main fuse. Once the fuses are checked inside of the main fuse box then I would check the fuses inside of their interior fuse box. The interior fuse box should be located on the driver side of the dashboard near where your legs would be. If you need more assistance with repairing your vehicle please keep in mind that our organization provides Mobile Mechanics who can help you diagnose and repair your vehicle, all at competitive rates.

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Dash, Tail/brake, dome, trunk, glovebox, and door lights won’t work, dash doing weird things.
ANSWER : Hi there. Sure would appear a lot is going on electrically all at once. This could be, a problem in the PDC (power distribution center). The PDC is typically located under the hood and contains numerous fuses and relays. I don’t believe any one fuse will resolve all of the electrical issues. There is a possibility, it is not a power supply issue. It may be, the result of a poor electrical ground common to the inoperative components. Proper circuit testing should be performed. This would confirm the cause of multiple electrical failures. I recommend having your vehicle’s electrical problems be diagnosed and repaired by a certified technician, such as one from YourMechanic.

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signals, daytime running lights are not working, park brake light on dash is on steady and chime is dinging steady 4×4 wont engage
ANSWER : This is likely a brake light switch problem. I would suggest testing the brake light switch which should be located down by the brake pedal. This may also be a computer problem as well as indicated by the other lights on in the dash. I would recommend having an expert from YourMechanic come to your home to possibly replace the brake light switch and diagnose with a scanning tool which will download useful data from the truck’s computer indicating what specifically the problem may be.

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Interior dim lights out and won’t come back on
ANSWER : Hello, thank you for writing in. The fuses that you need to check are located inside the cabin near the dashboard. These are the fuses pertaining to lights you are concerned with. Keep in mind the vehicle should always be off when working on electrical components, and it is typically safer if you disconnect the battery as well. With the short that was created, and where it was created, there is very likely a fuse protecting the circuit, which is why all of these components went dark as a result. Considering the circumstances, all of the fuses should be checked. For more help resolving the issue, contact our service department to schedule an appointment.

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Battery light goes on when I start car then turns off, if I rev engine light comes back until rpms go down. Abs goes comes on/off
ANSWER : Batteries can die due to faults in the charging system so ideally a suspected "faulty" battery should be load tested before a decision is made to condemn it. The only exception to this rule is if the battery is already clearly "old" (greater than 5 years) but even then once you put a new battery in, as a replacement for a "dead" battery, you have to comprehensively check out the charging system. Diagnostic Trouble Code P0460 will result in disruption of the dashboard fuel gauge’s ability to accurately report your tank’s fuel levels. The fuel gauge readings may be erratic, or read somewhere off scale. Vehicles equipped with a low fuel warning light feature may also suffer from erratic low fuel warnings in the event of a code P0460. Unless the P0460 code has been reported alongside other trouble code, all of the vehicle’s essential systems should otherwise function normally. I would recommend that you request a check engine light diagnostic to first resolve the fault causing the P0460 code to set. The check gas cap light warning light could be due a faulty gas cap and/or small leaks in the EVAP system.

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