1989 Ford E-Series Van change tail lbulb

REMOVAL:
Depending on the vehicle and bulb application, either unscrew and remove the lens or disengage the bulb and socket assembly from the rear of the lens housing.
To remove a light bulb with retaining pins from its socket, grasp the bulb, then gently depress and twist it 1/8 turn counterclockwise, and pull it from the socket.
On other models, simply pull the bulb from the socket.

INSTALLATION:
On models equipped, install the bulb into the socket by simply pushing it into the socket.
Before installing a light bulb into the socket, ensure that all electrical contact surfaces are free of corrosion or dirt.
Before installing the light bulb, note the positions of the two retaining pins on the bulb. They will likely be at different heights on the bulb, to ensure that the bulb is installed correctly. If, when installing the bulb, it does not turn easily, do not force it. Remove the bulb and rotate it 180 degrees from its former position, then reinsert it into the bulb socket.

Insert the light bulb into the socket and, while depressing the bulb, twist it 1/8 turn clockwise until the two pins on the light bulb are properly engaged in the socket.
To ensure that the replacement bulb functions properly, activate the applicable switch to illuminate the bulb which was just replaced. If the replacement light bulb does not illuminate, either it too is faulty or there is a problem in the bulb circuit or switch. Correct if necessary.
If applicable, install the socket and bulb assembly into the rear of the lens housing; otherwise, install the lens over the bulb.

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