199 yukon rear hatch light switch wont keep light off

199 yukon rear hatch light switch wont keep light off cracked#

199 yukon rear hatch light switch wont keep light off cracked#

If there is no electrical current reaching the socket, and fuses have checked out good, it is very probable there is a damaged or broken wire somewhere along the line.Īt this point, you’ll need to obtain a wiring diagram and visually inspect the wires along the tail light circuit for broken wires or cracked insulation.īe sure to check the body grounds coming off this circuit as well. No electricity reaching the pins means a failure somewhere up the electrical line.

It is also a good idea at this point to check electrical current with a multimeter at the socket. Look for any discoloration, like white, blue or brown, and bent or broken pins. If the bulb and fuse both check out good, check the condition of the socket while you have the bulb out of it. However, it can also end up failing due to poor connection of the wires in the back. Usually this is caused by corrosion, which is caused my moisture entering the socket. Sometimes the socket the bulb gets plugged into can go bad. Related: 5 Causes of a Turn Signal Blinking Too Fast #3 – Socket Failure A broken filament means no illumination and you will need to replace it with a new bulb.Īlready changed the light bulb with a new one and it’s still not working? Read on. The filament is the wire inside the bulb that creates the illumination. The best way to identify a bad bulb is to remove it from the socket it is plugged into, and closely inspect the filament. This generally involves removing the tail light cover, although some cars have an access panel where you can reach in and twist the bulb out of the lens. If the fuses under the hood and inside the cab check out fine, the next culprit to look at are the tail lamp bulbs themselves. Read Also: 3 Signs of a Bad Flasher Relay #2 – Bad Tail Light Bulbs On certain fuses, you can visually see a break in the metal wire inside a bad fuse. If it doesn’t light up, the fuse should be replaced with one of the same size and amperage. Once the fuse that controls your tail lights is identified, it can be tested using a fuse tester, which will light up if the fuse is good. If not, they can be identified by using the owner’s manual, or by looking up a year, make, model specific diagram online. Once you take the cover off the top of it, you can access the fuses inside.Įach fuse controls a different electrical component, and their jobs should be listed on the covering you removed to access the fuses. It’s a big black box that has a lot of wires attached to it. The second common area to find fuses is in the main fuse box under the hood.In certain cars it can be found on the side of the dash with the passenger side door opened all the way. This is normally in the front passenger side, behind a plastic panel underneath the dash.

One is a fuse panel inside the cabin of the vehicle.There are generally two areas that contain fuses in a car. This protects other parts of the electrical system from becoming damaged. The first thing to check when facing an inoperational electrical component, especially when it comes to bad tail lights, is the fuse.Ī fuse is basically a metal band inside a plastic container designed to break when the current flowing through it becomes too high. 6 Common Causes for Tail Lights Not Working But Brake Lights AreĦ Common Causes for Tail Lights Not Working But Brake Lights Are #1 – Bad Tail Light Fuse.