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How to Replace the Left Taillight On a 2002 Ford Explorer

There are only two bulbs in the taillight assembly on the 2002 Ford Explorer. The bottom bulb is the reverse/backup light, and the top bulb is the combination brake light and taillight. Two filaments are inside the bulb. The taillight comes on when the headlight switch is placed in the "On" position. The second filament lights up when the brakes are applied. This makes the bulb much brighter to warn vehicles behind the Explorer that the vehicle is braking.

Instructions

1

Raise the rear lift gate of the Explorer with the vehicle parked, the engine off and the headlight switch in the "Off" position.

2

Locate the two (upper and lower) taillight assembly retaining screws on the painted section of the side rail on the left (drivers side) assembly. Remove the screws with the screwdriver.

3

Pull the assembly outward away from the rear of the Explorer. The wire harnesses of the rear lights are attached to the sockets of the bulbs, but the assembly can be pulled out far enough to obtain access to the bulbs.

4

Turn the socket of the taillight/brake light counter-clockwise about 1/3 of a turn. Pull the taillight/brake light out of the taillight assembly.

5

Pull the taillight/brake light straight out of its socket, and replace it with a 3157 automotive bulb.

6

Reinsert the taillight socket into the assembly by aligning the tabs on the socket to the notches in the assembly, then twist the socket clockwise until it locks into place.

7

Replace the taillight assembly to the body of the Explorer, then replace and tighten the retaining screws.