Repair And Fix it

Open the rear hatch and remove the two screws on the inner part of the taillight assembly with a Phillips screwdriver.

Pull the taillight assembly rearward to remove it from the Trailblazers body. Unplug the wiring harness from the rear of the taillight assembly, by pressing the locking button and pulling the harness away from the assembly.

Turn the taillight assembly over and remove the three screws holding the socket plate -- the roughly 2-by-5-inch plastic plate on the rear of the taillight assembly. Pull the socket plate from the taillight assembly; notice the bulbs remain attached to the plate.

Pull the burnt-out brake bulb from the socket plate with a slight wiggling motion. Grab a new 3157 brake light bulb with a clean, lint-free cloth and press it into the socket. Never touch the glass part of the bulb with your bare hands, as the oils from your hands can cause the bulb to burn out prematurely.

Set the socket plate back on the rear of the taillight assembly and tighten the three screws with a Phillips screwdriver.

Plug the wiring harness back into the socket plate and set the taillight assembly back on the rear of the Trailblazer. Tighten the two screws on the inner part of the taillight assembly with a Phillips screwdriver.

Close the Trailblazers hatch.

Turn off the Dodge Neon and open the hood of the vehicle. Put on the clean gloves.

Locate the three upper fascia screws located right above the headlight. Use the screwdriver to remove all three of the screws.

Remove the headlight assembly unit from the vehicle by pulling it away from the Dodge Neon.

Disconnect the electrical connector by unplugging it from the back of the headlight assembly unit.

Remove the retaining ring by twisting it counterclockwise. This will allow access to the bulb. Pull out the old bulb and push the replacement bulb into the headlight assembly.

Reattach the retaining ring and reconnect the electrical connector by plugging it into the back of the headlight unit. Place the headlight assembly unit back into the vehicle and reattach the three screws to lock it into place. Close the hood.

Open the tailgate of your Silverado and locate the two taillight retaining screws on the inside edge of each taillight assembly. These are Phillips-head screws on the inner edge of the end of the cargo-bed wall, where the tailgate rests when closed.

Remove the two retaining screws with a Phillips screwdriver, setting the screws aside for reuse later. Grasp the taillight assembly and pull it straight out of the body until you can access the wiring harness connection on the back of the assembly.

Depress the locking tab on the connector and pull it off the taillight assembly. Grasp the socket on the back of the taillight, turn it counterclockwise -turn, and remove it from the assembly. Pull the failed bulb out of the socket and discard it.

Push a new bulb into the socket. Insert the bulb and socket into the rear of the taillight assembly and turn the assembly clockwise to lock it in place. Connect the wiring harness connector to the taillight assembly, pushing it in until it snaps in place.

Position the taillight assembly on the rear of the Silverado, making sure it seats completely; then install the two retaining screws. Tighten the screws with a Phillips screwdriver and close the tailgate.

Open the trunk of the LeSabre.

Remove the three plastic winged nuts from one side of the trunk, on the rear side of the taillight bulb assembly you are working on. You can use a pair of pliers to remove the winged nuts, if they are too tight to be removed by hand. Be careful not to snap the tabs off of the wing nuts with too much pressure. Peel the trunk liner off of the taillight studs and away from the taillight.

Pull the taillight assembly away from the rear of the LeSabre, and rest the assembly on the rear bumper. Remove the taillight from the housing by turning it counterclockwise in relation to its position on the car.

Pull the old taillight bulb out of the socket by hand. Insert a new taillight bulb using a paper towel or napkin around your hand. Do not touch the taillight bulb with your fingers directly.

Reinstall the taillight bulb back into the assembly, and turn it clockwise to lock it in position. Install the taillight assembly back into the rear of the car.

Push the trunk lining back onto the rear of the trunk, allowing the taillight assembly studs to go through the allotted holes. Install the plastic wing nuts onto the studs and tighten them by hand. No torque is needed to tighten the wing nuts.

Follow Steps 2 through 6 to change the taillight bulb on the opposite side of the bulb you just replaced.

Turn off the engine and the headlights. Apply the parking brake to the Hyundai Santa Fe.

Open the lift gate.

Remove the two retaining screws on the side of the taillight assembly with the Phillips screwdriver for 2000 to 2006 models. Use the plastic pry tool to pry off the assembly for 2007 and later models. Wire harness connections are still attached to the back of the taillight assembly, so use caution when removing it.

Reach behind the taillight assembly and twist the taillight socket counterclockwise a quarter turn. The taillight on the Santa Fe is the light centered in the rear of the assembly. It is a dual-filament bulb that also contains the stop/brake light.

Hold the socket of the taillight assembly with one hand while pushing slightly downward on the bulb with the other hand. Twist the bulb counterclockwise a quarter turn to remove it from the socket.

Align the two small notches of the replacement 1157 taillight with the internal grooves of the socket. Push the bulb down into the socket, with tabs and grooves aligned, and twist the bulb clockwise a quarter turn to lock it into the socket.

Test both the taillight and the brake light before replacing the taillight assembly by reversing the respective removal procedure.